diff options
Diffstat (limited to 'mesalib/src/mesa/main/pack.c')
| -rw-r--r-- | mesalib/src/mesa/main/pack.c | 4911 |
1 files changed, 288 insertions, 4623 deletions
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c index 649a74cce..2111a7604 100644 --- a/mesalib/src/mesa/main/pack.c +++ b/mesalib/src/mesa/main/pack.c @@ -53,8 +53,8 @@ #include "pixeltransfer.h" #include "imports.h" #include "glformats.h" -#include "../../gallium/auxiliary/util/u_format_rgb9e5.h" -#include "../../gallium/auxiliary/util/u_format_r11g11b10f.h" +#include "format_utils.h" +#include "format_pack.h" /** @@ -98,7 +98,8 @@ void _mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32], const struct gl_pixelstore_attrib *unpacking ) { - GLubyte *ptrn = (GLubyte *) _mesa_unpack_bitmap(32, 32, pattern, unpacking); + GLubyte *ptrn = (GLubyte *) _mesa_unpack_image(2, 32, 32, 1, GL_COLOR_INDEX, + GL_BITMAP, pattern, unpacking); if (ptrn) { /* Convert pattern from GLubytes to GLuints and handle big/little * endian differences @@ -142,108 +143,6 @@ _mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest, /* - * Unpack bitmap data. Resulting data will be in most-significant-bit-first - * order with row alignment = 1 byte. - */ -GLvoid * -_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels, - const struct gl_pixelstore_attrib *packing ) -{ - GLint bytes, row, width_in_bytes; - GLubyte *buffer, *dst; - - if (!pixels) - return NULL; - - /* Alloc dest storage */ - bytes = ((width + 7) / 8 * height); - buffer = malloc( bytes ); - if (!buffer) - return NULL; - - width_in_bytes = CEILING( width, 8 ); - dst = buffer; - for (row = 0; row < height; row++) { - const GLubyte *src = (const GLubyte *) - _mesa_image_address2d(packing, pixels, width, height, - GL_COLOR_INDEX, GL_BITMAP, row, 0); - if (!src) { - free(buffer); - return NULL; - } - - if ((packing->SkipPixels & 7) == 0) { - memcpy( dst, src, width_in_bytes ); - if (packing->LsbFirst) { - flip_bytes( dst, width_in_bytes ); - } - } - else { - /* handling SkipPixels is a bit tricky (no pun intended!) */ - GLint i; - if (packing->LsbFirst) { - GLubyte srcMask = 1 << (packing->SkipPixels & 0x7); - GLubyte dstMask = 128; - const GLubyte *s = src; - GLubyte *d = dst; - *d = 0; - for (i = 0; i < width; i++) { - if (*s & srcMask) { - *d |= dstMask; - } - if (srcMask == 128) { - srcMask = 1; - s++; - } - else { - srcMask = srcMask << 1; - } - if (dstMask == 1) { - dstMask = 128; - d++; - *d = 0; - } - else { - dstMask = dstMask >> 1; - } - } - } - else { - GLubyte srcMask = 128 >> (packing->SkipPixels & 0x7); - GLubyte dstMask = 128; - const GLubyte *s = src; - GLubyte *d = dst; - *d = 0; - for (i = 0; i < width; i++) { - if (*s & srcMask) { - *d |= dstMask; - } - if (srcMask == 1) { - srcMask = 128; - s++; - } - else { - srcMask = srcMask >> 1; - } - if (dstMask == 1) { - dstMask = 128; - d++; - *d = 0; - } - else { - dstMask = dstMask >> 1; - } - } - } - } - dst += width_in_bytes; - } - - return buffer; -} - - -/* * Pack bitmap data. */ void @@ -256,7 +155,7 @@ _mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source, if (!source) return; - width_in_bytes = CEILING( width, 8 ); + width_in_bytes = DIV_ROUND_UP( width, 8 ); src = source; for (row = 0; row < height; row++) { GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, dest, @@ -333,2361 +232,6 @@ _mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source, } -/** - * Get indexes of color components for a basic color format, such as - * GL_RGBA, GL_RED, GL_LUMINANCE_ALPHA, etc. Return -1 for indexes - * that do not apply. - */ -static void -get_component_indexes(GLenum format, - GLint *redIndex, - GLint *greenIndex, - GLint *blueIndex, - GLint *alphaIndex, - GLint *luminanceIndex, - GLint *intensityIndex) -{ - *redIndex = -1; - *greenIndex = -1; - *blueIndex = -1; - *alphaIndex = -1; - *luminanceIndex = -1; - *intensityIndex = -1; - - switch (format) { - case GL_LUMINANCE: - case GL_LUMINANCE_INTEGER_EXT: - *luminanceIndex = 0; - break; - case GL_LUMINANCE_ALPHA: - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - *luminanceIndex = 0; - *alphaIndex = 1; - break; - case GL_INTENSITY: - *intensityIndex = 0; - break; - case GL_RED: - case GL_RED_INTEGER_EXT: - *redIndex = 0; - break; - case GL_GREEN: - case GL_GREEN_INTEGER_EXT: - *greenIndex = 0; - break; - case GL_BLUE: - case GL_BLUE_INTEGER_EXT: - *blueIndex = 0; - break; - case GL_ALPHA: - case GL_ALPHA_INTEGER_EXT: - *alphaIndex = 0; - break; - case GL_RG: - case GL_RG_INTEGER: - *redIndex = 0; - *greenIndex = 1; - break; - case GL_RGB: - case GL_RGB_INTEGER_EXT: - *redIndex = 0; - *greenIndex = 1; - *blueIndex = 2; - break; - case GL_BGR: - case GL_BGR_INTEGER_EXT: - *blueIndex = 0; - *greenIndex = 1; - *redIndex = 2; - break; - case GL_RGBA: - case GL_RGBA_INTEGER_EXT: - *redIndex = 0; - *greenIndex = 1; - *blueIndex = 2; - *alphaIndex = 3; - break; - case GL_BGRA: - case GL_BGRA_INTEGER: - *redIndex = 2; - *greenIndex = 1; - *blueIndex = 0; - *alphaIndex = 3; - break; - case GL_ABGR_EXT: - *redIndex = 3; - *greenIndex = 2; - *blueIndex = 1; - *alphaIndex = 0; - break; - default: - assert(0 && "bad format in get_component_indexes()"); - } -} - - - -/** - * For small integer types, return the min and max possible values. - * Used for clamping floats to unscaled integer types. - * \return GL_TRUE if type is handled, GL_FALSE otherwise. - */ -static GLboolean -get_type_min_max(GLenum type, GLfloat *min, GLfloat *max) -{ - switch (type) { - case GL_BYTE: - *min = -128.0; - *max = 127.0; - return GL_TRUE; - case GL_UNSIGNED_BYTE: - *min = 0.0; - *max = 255.0; - return GL_TRUE; - case GL_SHORT: - *min = -32768.0; - *max = 32767.0; - return GL_TRUE; - case GL_UNSIGNED_SHORT: - *min = 0.0; - *max = 65535.0; - return GL_TRUE; - default: - return GL_FALSE; - } -} - -/* Customization of unsigned integer packing. - */ -#define SRC_TYPE GLuint - -#define DST_TYPE GLuint -#define SRC_CONVERT(x) (x) -#define FN_NAME pack_uint_from_uint_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLint -#define SRC_CONVERT(x) MIN2(x, 0x7fffffff) -#define FN_NAME pack_int_from_uint_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLushort -#define SRC_CONVERT(x) MIN2(x, 0xffff) -#define FN_NAME pack_ushort_from_uint_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLshort -#define SRC_CONVERT(x) CLAMP((int)x, -32768, 32767) -#define FN_NAME pack_short_from_uint_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLubyte -#define SRC_CONVERT(x) MIN2(x, 0xff) -#define FN_NAME pack_ubyte_from_uint_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLbyte -#define SRC_CONVERT(x) CLAMP((int)x, -128, 127) -#define FN_NAME pack_byte_from_uint_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#undef SRC_TYPE - -static void -_pack_rgba_span_from_uints_problem(struct gl_context *ctx, - GLenum dstFormat, GLenum dstType) -{ - _mesa_problem(ctx, - "Unsupported type (%s) / format (%s) " - "in _mesa_pack_rgba_span_from_uints", - _mesa_lookup_enum_by_nr(dstType), - _mesa_lookup_enum_by_nr(dstFormat)); -} - -void -_mesa_pack_rgba_span_from_uints(struct gl_context *ctx, GLuint n, GLuint rgba[][4], - GLenum dstFormat, GLenum dstType, - GLvoid *dstAddr) -{ - GLuint i; - - switch(dstType) { - case GL_UNSIGNED_INT: - pack_uint_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_INT: - pack_int_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_UNSIGNED_SHORT: - pack_ushort_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_SHORT: - pack_short_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_UNSIGNED_BYTE: - pack_ubyte_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_BYTE: - pack_byte_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_UNSIGNED_BYTE_3_3_2: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLubyte *dst = (GLubyte *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 7) << 5) - | (MIN2(rgba[i][GCOMP], 7) << 2) - | (MIN2(rgba[i][BCOMP], 3) ); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_BYTE_2_3_3_REV: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLubyte *dst = (GLubyte *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 7) ) - | (MIN2(rgba[i][GCOMP], 7) << 3) - | (MIN2(rgba[i][BCOMP], 3) << 6); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_5_6_5: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 31) << 11) - | (MIN2(rgba[i][GCOMP], 63) << 5) - | (MIN2(rgba[i][BCOMP], 31) ); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_5_6_5_REV: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 31) ) - | (MIN2(rgba[i][GCOMP], 63) << 5) - | (MIN2(rgba[i][BCOMP], 31) << 11); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 15) << 12) - | (MIN2(rgba[i][GCOMP], 15) << 8) - | (MIN2(rgba[i][BCOMP], 15) << 4) - | (MIN2(rgba[i][ACOMP], 15) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 15) << 12) - | (MIN2(rgba[i][GCOMP], 15) << 8) - | (MIN2(rgba[i][RCOMP], 15) << 4) - | (MIN2(rgba[i][ACOMP], 15) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 15) << 12) - | (MIN2(rgba[i][BCOMP], 15) << 8) - | (MIN2(rgba[i][GCOMP], 15) << 4) - | (MIN2(rgba[i][RCOMP], 15) ); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 15) ) - | (MIN2(rgba[i][GCOMP], 15) << 4) - | (MIN2(rgba[i][BCOMP], 15) << 8) - | (MIN2(rgba[i][ACOMP], 15) << 12); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 15) ) - | (MIN2(rgba[i][GCOMP], 15) << 4) - | (MIN2(rgba[i][RCOMP], 15) << 8) - | (MIN2(rgba[i][ACOMP], 15) << 12); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 15) ) - | (MIN2(rgba[i][BCOMP], 15) << 4) - | (MIN2(rgba[i][GCOMP], 15) << 8) - | (MIN2(rgba[i][RCOMP], 15) << 12); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_5_5_5_1: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 31) << 11) - | (MIN2(rgba[i][GCOMP], 31) << 6) - | (MIN2(rgba[i][BCOMP], 31) << 1) - | (MIN2(rgba[i][ACOMP], 1) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 31) << 11) - | (MIN2(rgba[i][GCOMP], 31) << 6) - | (MIN2(rgba[i][RCOMP], 31) << 1) - | (MIN2(rgba[i][ACOMP], 1) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 31) << 11) - | (MIN2(rgba[i][BCOMP], 31) << 6) - | (MIN2(rgba[i][GCOMP], 31) << 1) - | (MIN2(rgba[i][RCOMP], 1) ); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 31) ) - | (MIN2(rgba[i][GCOMP], 31) << 5) - | (MIN2(rgba[i][BCOMP], 31) << 10) - | (MIN2(rgba[i][ACOMP], 1) << 15); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 31) ) - | (MIN2(rgba[i][GCOMP], 31) << 5) - | (MIN2(rgba[i][RCOMP], 31) << 10) - | (MIN2(rgba[i][ACOMP], 1) << 15); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 31) ) - | (MIN2(rgba[i][BCOMP], 31) << 5) - | (MIN2(rgba[i][GCOMP], 31) << 10) - | (MIN2(rgba[i][RCOMP], 1) << 15); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_8_8_8_8: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 255) << 24) - | (MIN2(rgba[i][GCOMP], 255) << 16) - | (MIN2(rgba[i][BCOMP], 255) << 8) - | (MIN2(rgba[i][ACOMP], 255) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 255) << 24) - | (MIN2(rgba[i][GCOMP], 255) << 16) - | (MIN2(rgba[i][RCOMP], 255) << 8) - | (MIN2(rgba[i][ACOMP], 255) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 255) << 24) - | (MIN2(rgba[i][BCOMP], 255) << 16) - | (MIN2(rgba[i][GCOMP], 255) << 8) - | (MIN2(rgba[i][RCOMP], 255) ); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 255) ) - | (MIN2(rgba[i][GCOMP], 255) << 8) - | (MIN2(rgba[i][BCOMP], 255) << 16) - | (MIN2(rgba[i][ACOMP], 255) << 24); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 255) ) - | (MIN2(rgba[i][GCOMP], 255) << 8) - | (MIN2(rgba[i][RCOMP], 255) << 16) - | (MIN2(rgba[i][ACOMP], 255) << 24); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 255) ) - | (MIN2(rgba[i][BCOMP], 255) << 8) - | (MIN2(rgba[i][GCOMP], 255) << 16) - | (MIN2(rgba[i][RCOMP], 255) << 24); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_10_10_10_2: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 1023) << 22) - | (MIN2(rgba[i][GCOMP], 1023) << 12) - | (MIN2(rgba[i][BCOMP], 1023) << 2) - | (MIN2(rgba[i][ACOMP], 3) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 1023) << 22) - | (MIN2(rgba[i][GCOMP], 1023) << 12) - | (MIN2(rgba[i][RCOMP], 1023) << 2) - | (MIN2(rgba[i][ACOMP], 3) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 1023) << 22) - | (MIN2(rgba[i][BCOMP], 1023) << 12) - | (MIN2(rgba[i][GCOMP], 1023) << 2) - | (MIN2(rgba[i][RCOMP], 3) ); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_2_10_10_10_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][RCOMP], 1023) ) - | (MIN2(rgba[i][GCOMP], 1023) << 10) - | (MIN2(rgba[i][BCOMP], 1023) << 20) - | (MIN2(rgba[i][ACOMP], 3) << 30); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][BCOMP], 1023) ) - | (MIN2(rgba[i][GCOMP], 1023) << 10) - | (MIN2(rgba[i][RCOMP], 1023) << 20) - | (MIN2(rgba[i][ACOMP], 3) << 30); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (MIN2(rgba[i][ACOMP], 1023) ) - | (MIN2(rgba[i][BCOMP], 1023) << 10) - | (MIN2(rgba[i][GCOMP], 1023) << 20) - | (MIN2(rgba[i][RCOMP], 3) << 30); - } - } else { - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - } - break; - default: - _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType); - return; - } -} - - -/* Customization of signed integer packing. - */ -#define SRC_TYPE GLint - -#define DST_TYPE GLuint -#define SRC_CONVERT(x) MAX2(x, 0) -#define FN_NAME pack_uint_from_int_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLushort -#define SRC_CONVERT(x) MAX2(x, 0) -#define FN_NAME pack_ushort_from_int_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLshort -#define SRC_CONVERT(x) CLAMP(x, -0x8000, 0x7fff) -#define FN_NAME pack_short_from_int_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLubyte -#define SRC_CONVERT(x) MAX2(x, 0) -#define FN_NAME pack_ubyte_from_int_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#define DST_TYPE GLbyte -#define SRC_CONVERT(x) CLAMP(x, -0x80, 0x7f) -#define FN_NAME pack_byte_from_int_rgba -#include "pack_tmp.h" -#undef DST_TYPE -#undef SRC_CONVERT -#undef FN_NAME - -#undef SRC_TYPE - -static void -_pack_rgba_span_from_ints_problem(struct gl_context *ctx, - GLenum dstFormat, GLenum dstType) -{ - _mesa_problem(ctx, - "Unsupported type (%s) / format (%s) " - "in _mesa_pack_rgba_span_from_ints", - _mesa_lookup_enum_by_nr(dstType), - _mesa_lookup_enum_by_nr(dstFormat)); -} - -void -_mesa_pack_rgba_span_from_ints(struct gl_context *ctx, GLuint n, GLint rgba[][4], - GLenum dstFormat, GLenum dstType, - GLvoid *dstAddr) -{ - GLuint i; - - switch(dstType) { - case GL_UNSIGNED_INT: - pack_uint_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_INT: - /* No conversion necessary. */ - pack_uint_from_uint_rgba(ctx, dstAddr, dstFormat, (GLuint (*)[4]) rgba, n); - break; - case GL_UNSIGNED_SHORT: - pack_ushort_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_SHORT: - pack_short_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_UNSIGNED_BYTE: - pack_ubyte_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_BYTE: - pack_byte_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n); - break; - case GL_UNSIGNED_BYTE_3_3_2: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLubyte *dst = (GLubyte *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) << 5) - | (CLAMP(rgba[i][GCOMP], 0, 7) << 2) - | (CLAMP(rgba[i][BCOMP], 0, 3) ); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_BYTE_2_3_3_REV: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLubyte *dst = (GLubyte *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) ) - | (CLAMP(rgba[i][GCOMP], 0, 7) << 3) - | (CLAMP(rgba[i][BCOMP], 0, 3) << 6); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_5_6_5: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11) - | (CLAMP(rgba[i][GCOMP], 0, 63) << 5) - | (CLAMP(rgba[i][BCOMP], 0, 31) ); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_5_6_5_REV: - if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) ) - | (CLAMP(rgba[i][GCOMP], 0, 63) << 5) - | (CLAMP(rgba[i][BCOMP], 0, 31) << 11); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) << 12) - | (CLAMP(rgba[i][GCOMP], 0, 15) << 8) - | (CLAMP(rgba[i][BCOMP], 0, 15) << 4) - | (CLAMP(rgba[i][ACOMP], 0, 15) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) << 12) - | (CLAMP(rgba[i][GCOMP], 0, 15) << 8) - | (CLAMP(rgba[i][RCOMP], 0, 15) << 4) - | (CLAMP(rgba[i][ACOMP], 0, 15) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) << 12) - | (CLAMP(rgba[i][BCOMP], 0, 15) << 8) - | (CLAMP(rgba[i][GCOMP], 0, 15) << 4) - | (CLAMP(rgba[i][RCOMP], 0, 15) ); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) ) - | (CLAMP(rgba[i][GCOMP], 0, 15) << 4) - | (CLAMP(rgba[i][BCOMP], 0, 15) << 8) - | (CLAMP(rgba[i][ACOMP], 0, 15) << 12); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) ) - | (CLAMP(rgba[i][GCOMP], 0, 15) << 4) - | (CLAMP(rgba[i][RCOMP], 0, 15) << 8) - | (CLAMP(rgba[i][ACOMP], 0, 15) << 12); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) ) - | (CLAMP(rgba[i][BCOMP], 0, 15) << 4) - | (CLAMP(rgba[i][GCOMP], 0, 15) << 8) - | (CLAMP(rgba[i][RCOMP], 0, 15) << 12); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_5_5_5_1: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11) - | (CLAMP(rgba[i][GCOMP], 0, 31) << 6) - | (CLAMP(rgba[i][BCOMP], 0, 31) << 1) - | (CLAMP(rgba[i][ACOMP], 0, 1) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) << 11) - | (CLAMP(rgba[i][GCOMP], 0, 31) << 6) - | (CLAMP(rgba[i][RCOMP], 0, 31) << 1) - | (CLAMP(rgba[i][ACOMP], 0, 1) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) << 11) - | (CLAMP(rgba[i][BCOMP], 0, 31) << 6) - | (CLAMP(rgba[i][GCOMP], 0, 31) << 1) - | (CLAMP(rgba[i][RCOMP], 0, 1) ); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) ) - | (CLAMP(rgba[i][GCOMP], 0, 31) << 5) - | (CLAMP(rgba[i][BCOMP], 0, 31) << 10) - | (CLAMP(rgba[i][ACOMP], 0, 1) << 15); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) ) - | (CLAMP(rgba[i][GCOMP], 0, 31) << 5) - | (CLAMP(rgba[i][RCOMP], 0, 31) << 10) - | (CLAMP(rgba[i][ACOMP], 0, 1) << 15); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) ) - | (CLAMP(rgba[i][BCOMP], 0, 31) << 5) - | (CLAMP(rgba[i][GCOMP], 0, 31) << 10) - | (CLAMP(rgba[i][RCOMP], 0, 1) << 15); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_8_8_8_8: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) << 24) - | (CLAMP(rgba[i][GCOMP], 0, 255) << 16) - | (CLAMP(rgba[i][BCOMP], 0, 255) << 8) - | (CLAMP(rgba[i][ACOMP], 0, 255) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) << 24) - | (CLAMP(rgba[i][GCOMP], 0, 255) << 16) - | (CLAMP(rgba[i][RCOMP], 0, 255) << 8) - | (CLAMP(rgba[i][ACOMP], 0, 255) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) << 24) - | (CLAMP(rgba[i][BCOMP], 0, 255) << 16) - | (CLAMP(rgba[i][GCOMP], 0, 255) << 8) - | (CLAMP(rgba[i][RCOMP], 0, 255) ); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) ) - | (CLAMP(rgba[i][GCOMP], 0, 255) << 8) - | (CLAMP(rgba[i][BCOMP], 0, 255) << 16) - | (CLAMP(rgba[i][ACOMP], 0, 255) << 24); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) ) - | (CLAMP(rgba[i][GCOMP], 0, 255) << 8) - | (CLAMP(rgba[i][RCOMP], 0, 255) << 16) - | (CLAMP(rgba[i][ACOMP], 0, 255) << 24); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) ) - | (CLAMP(rgba[i][BCOMP], 0, 255) << 8) - | (CLAMP(rgba[i][GCOMP], 0, 255) << 16) - | (CLAMP(rgba[i][RCOMP], 0, 255) << 24); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_10_10_10_2: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) << 22) - | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12) - | (CLAMP(rgba[i][BCOMP], 0, 1023) << 2) - | (CLAMP(rgba[i][ACOMP], 0, 3) ); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) << 22) - | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12) - | (CLAMP(rgba[i][RCOMP], 0, 1023) << 2) - | (CLAMP(rgba[i][ACOMP], 0, 3) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) << 22) - | (CLAMP(rgba[i][BCOMP], 0, 1023) << 12) - | (CLAMP(rgba[i][GCOMP], 0, 1023) << 2) - | (CLAMP(rgba[i][RCOMP], 0, 3) ); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - case GL_UNSIGNED_INT_2_10_10_10_REV: - if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) ) - | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10) - | (CLAMP(rgba[i][BCOMP], 0, 1023) << 20) - | (CLAMP(rgba[i][ACOMP], 0, 3) << 30); - } - } - else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) ) - | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10) - | (CLAMP(rgba[i][RCOMP], 0, 1023) << 20) - | (CLAMP(rgba[i][ACOMP], 0, 3) << 30); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) ) - | (CLAMP(rgba[i][BCOMP], 0, 1023) << 10) - | (CLAMP(rgba[i][GCOMP], 0, 1023) << 20) - | (CLAMP(rgba[i][RCOMP], 0, 3) << 30); - } - } else { - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - } - break; - default: - _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType); - return; - } -} - - -/** - * Used to pack an array [][4] of RGBA float colors as specified - * by the dstFormat, dstType and dstPacking. Used by glReadPixels. - * Historically, the RGBA values were in [0,1] and rescaled to fit - * into GLubytes, etc. But with new integer formats, the RGBA values - * may have any value and we don't always rescale when converting to - * integers. - * - * Note: the rgba values will be modified by this function when any pixel - * transfer ops are enabled. - */ -void -_mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4], - GLenum dstFormat, GLenum dstType, - GLvoid *dstAddr, - const struct gl_pixelstore_attrib *dstPacking, - GLbitfield transferOps) -{ - GLfloat *luminance; - const GLint comps = _mesa_components_in_format(dstFormat); - const GLboolean intDstFormat = _mesa_is_enum_format_integer(dstFormat); - GLuint i; - - if (dstFormat == GL_LUMINANCE || - dstFormat == GL_LUMINANCE_ALPHA || - dstFormat == GL_LUMINANCE_INTEGER_EXT || - dstFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT) { - luminance = malloc(n * sizeof(GLfloat)); - if (!luminance) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing"); - return; - } - } - else { - luminance = NULL; - } - - /* EXT_texture_integer specifies no transfer ops on integer - * types in the resolved issues section. Just set them to 0 - * for integer surfaces. - */ - if (intDstFormat) - transferOps = 0; - - if (transferOps) { - _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgba); - } - - /* - * Component clamping (besides clamping to [0,1] in - * _mesa_apply_rgba_transfer_ops()). - */ - if (intDstFormat) { - /* clamping to dest type's min/max values */ - GLfloat min, max; - if (get_type_min_max(dstType, &min, &max)) { - for (i = 0; i < n; i++) { - rgba[i][RCOMP] = CLAMP(rgba[i][RCOMP], min, max); - rgba[i][GCOMP] = CLAMP(rgba[i][GCOMP], min, max); - rgba[i][BCOMP] = CLAMP(rgba[i][BCOMP], min, max); - rgba[i][ACOMP] = CLAMP(rgba[i][ACOMP], min, max); - } - } - } - else if (dstFormat == GL_LUMINANCE || dstFormat == GL_LUMINANCE_ALPHA) { - /* compute luminance values */ - if (transferOps & IMAGE_CLAMP_BIT) { - for (i = 0; i < n; i++) { - GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; - luminance[i] = CLAMP(sum, 0.0F, 1.0F); - } - } - else { - for (i = 0; i < n; i++) { - luminance[i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; - } - } - } - - /* - * Pack/store the pixels. Ugh! Lots of cases!!! - */ - switch (dstType) { - case GL_UNSIGNED_BYTE: - { - GLubyte *dst = (GLubyte *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_UBYTE(luminance[i]); - dst[i*2+1] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - } - break; - case GL_RG: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - dst[i*2+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - } - break; - case GL_RED_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLubyte) rgba[i][RCOMP]; - } - break; - case GL_GREEN_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLubyte) rgba[i][GCOMP]; - } - break; - case GL_BLUE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLubyte) rgba[i][BCOMP]; - } - break; - case GL_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLubyte) rgba[i][ACOMP]; - } - break; - case GL_RG_INTEGER: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLubyte) rgba[i][RCOMP]; - dst[i*2+1] = (GLubyte) rgba[i][GCOMP]; - } - break; - case GL_RGB_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLubyte) rgba[i][RCOMP]; - dst[i*3+1] = (GLubyte) rgba[i][GCOMP]; - dst[i*3+2] = (GLubyte) rgba[i][BCOMP]; - } - break; - case GL_RGBA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLubyte) rgba[i][RCOMP]; - dst[i*4+1] = (GLubyte) rgba[i][GCOMP]; - dst[i*4+2] = (GLubyte) rgba[i][BCOMP]; - dst[i*4+3] = (GLubyte) rgba[i][ACOMP]; - } - break; - case GL_BGR_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLubyte) rgba[i][BCOMP]; - dst[i*3+1] = (GLubyte) rgba[i][GCOMP]; - dst[i*3+2] = (GLubyte) rgba[i][RCOMP]; - } - break; - case GL_BGRA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLubyte) rgba[i][BCOMP]; - dst[i*4+1] = (GLubyte) rgba[i][GCOMP]; - dst[i*4+2] = (GLubyte) rgba[i][RCOMP]; - dst[i*4+3] = (GLubyte) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLubyte) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - dst[i*2+1] = (GLubyte) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLubyte) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_BYTE: - { - GLbyte *dst = (GLbyte *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE_TEX(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE_TEX(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE_TEX(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE_TEX(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE_TEX(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_BYTE_TEX(luminance[i]); - dst[i*2+1] = FLOAT_TO_BYTE_TEX(rgba[i][ACOMP]); - } - break; - case GL_RG: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_BYTE_TEX(rgba[i][RCOMP]); - dst[i*2+1] = FLOAT_TO_BYTE_TEX(rgba[i][GCOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_BYTE_TEX(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_BYTE_TEX(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_BYTE_TEX(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_BYTE_TEX(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_BYTE_TEX(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_BYTE_TEX(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_BYTE_TEX(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_BYTE_TEX(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_BYTE_TEX(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_BYTE_TEX(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_BYTE_TEX(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_BYTE_TEX(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_BYTE_TEX(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_BYTE_TEX(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_BYTE_TEX(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_BYTE_TEX(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_BYTE_TEX(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_BYTE_TEX(rgba[i][RCOMP]); - } - break; - case GL_RED_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLbyte) rgba[i][RCOMP]; - } - break; - case GL_GREEN_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLbyte) rgba[i][GCOMP]; - } - break; - case GL_BLUE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLbyte) rgba[i][BCOMP]; - } - break; - case GL_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLbyte) rgba[i][ACOMP]; - } - break; - case GL_RG_INTEGER: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLbyte) rgba[i][RCOMP]; - dst[i*2+1] = (GLbyte) rgba[i][GCOMP]; - } - break; - case GL_RGB_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLbyte) rgba[i][RCOMP]; - dst[i*3+1] = (GLbyte) rgba[i][GCOMP]; - dst[i*3+2] = (GLbyte) rgba[i][BCOMP]; - } - break; - case GL_RGBA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLbyte) rgba[i][RCOMP]; - dst[i*4+1] = (GLbyte) rgba[i][GCOMP]; - dst[i*4+2] = (GLbyte) rgba[i][BCOMP]; - dst[i*4+3] = (GLbyte) rgba[i][ACOMP]; - } - break; - case GL_BGR_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLbyte) rgba[i][BCOMP]; - dst[i*3+1] = (GLbyte) rgba[i][GCOMP]; - dst[i*3+2] = (GLbyte) rgba[i][RCOMP]; - } - break; - case GL_BGRA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLbyte) rgba[i][BCOMP]; - dst[i*4+1] = (GLbyte) rgba[i][GCOMP]; - dst[i*4+2] = (GLbyte) rgba[i][RCOMP]; - dst[i*4+3] = (GLbyte) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLbyte) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - dst[i*2+1] = (GLbyte) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLbyte) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_UNSIGNED_SHORT: - { - GLushort *dst = (GLushort *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - CLAMPED_FLOAT_TO_USHORT(dst[i], rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - CLAMPED_FLOAT_TO_USHORT(dst[i], rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - CLAMPED_FLOAT_TO_USHORT(dst[i], rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - CLAMPED_FLOAT_TO_USHORT(dst[i], rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - UNCLAMPED_FLOAT_TO_USHORT(dst[i], luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - UNCLAMPED_FLOAT_TO_USHORT(dst[i*2+0], luminance[i]); - CLAMPED_FLOAT_TO_USHORT(dst[i*2+1], rgba[i][ACOMP]); - } - break; - case GL_RG: - for (i=0;i<n;i++) { - CLAMPED_FLOAT_TO_USHORT(dst[i*2+0], rgba[i][RCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*2+1], rgba[i][GCOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - CLAMPED_FLOAT_TO_USHORT(dst[i*3+0], rgba[i][RCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*3+1], rgba[i][GCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*3+2], rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - CLAMPED_FLOAT_TO_USHORT(dst[i*4+0], rgba[i][RCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+1], rgba[i][GCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+2], rgba[i][BCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+3], rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - CLAMPED_FLOAT_TO_USHORT(dst[i*3+0], rgba[i][BCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*3+1], rgba[i][GCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*3+2], rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - CLAMPED_FLOAT_TO_USHORT(dst[i*4+0], rgba[i][BCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+1], rgba[i][GCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+2], rgba[i][RCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+3], rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - CLAMPED_FLOAT_TO_USHORT(dst[i*4+0], rgba[i][ACOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+1], rgba[i][BCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+2], rgba[i][GCOMP]); - CLAMPED_FLOAT_TO_USHORT(dst[i*4+3], rgba[i][RCOMP]); - } - break; - case GL_RED_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLushort) rgba[i][RCOMP]; - } - break; - case GL_GREEN_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLushort) rgba[i][GCOMP]; - } - break; - case GL_BLUE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLushort) rgba[i][BCOMP]; - } - break; - case GL_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLushort) rgba[i][ACOMP]; - } - break; - case GL_RG_INTEGER: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLushort) rgba[i][RCOMP]; - dst[i*2+1] = (GLushort) rgba[i][GCOMP]; - } - break; - case GL_RGB_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLushort) rgba[i][RCOMP]; - dst[i*3+1] = (GLushort) rgba[i][GCOMP]; - dst[i*3+2] = (GLushort) rgba[i][BCOMP]; - } - break; - case GL_RGBA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLushort) rgba[i][RCOMP]; - dst[i*4+1] = (GLushort) rgba[i][GCOMP]; - dst[i*4+2] = (GLushort) rgba[i][BCOMP]; - dst[i*4+3] = (GLushort) rgba[i][ACOMP]; - } - break; - case GL_BGR_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLushort) rgba[i][BCOMP]; - dst[i*3+1] = (GLushort) rgba[i][GCOMP]; - dst[i*3+2] = (GLushort) rgba[i][RCOMP]; - } - break; - case GL_BGRA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLushort) rgba[i][BCOMP]; - dst[i*4+1] = (GLushort) rgba[i][GCOMP]; - dst[i*4+2] = (GLushort) rgba[i][RCOMP]; - dst[i*4+3] = (GLushort) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLushort) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - dst[i*2+1] = (GLushort) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLushort) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_SHORT: - { - GLshort *dst = (GLshort *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT_TEX(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT_TEX(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT_TEX(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT_TEX(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT_TEX(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_SHORT_TEX(luminance[i]); - dst[i*2+1] = FLOAT_TO_SHORT_TEX(rgba[i][ACOMP]); - } - break; - case GL_RG: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_SHORT_TEX(rgba[i][RCOMP]); - dst[i*2+1] = FLOAT_TO_SHORT_TEX(rgba[i][GCOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_SHORT_TEX(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_SHORT_TEX(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_SHORT_TEX(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_SHORT_TEX(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_SHORT_TEX(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_SHORT_TEX(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_SHORT_TEX(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_SHORT_TEX(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_SHORT_TEX(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_SHORT_TEX(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_SHORT_TEX(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_SHORT_TEX(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_SHORT_TEX(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_SHORT_TEX(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_SHORT_TEX(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_SHORT_TEX(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_SHORT_TEX(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_SHORT_TEX(rgba[i][RCOMP]); - } - break; - case GL_RED_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLshort) rgba[i][RCOMP]; - } - break; - case GL_GREEN_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLshort) rgba[i][GCOMP]; - } - break; - case GL_BLUE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLshort) rgba[i][BCOMP]; - } - break; - case GL_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLshort) rgba[i][ACOMP]; - } - break; - case GL_RG_INTEGER: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLshort) rgba[i][RCOMP]; - dst[i*2+1] = (GLshort) rgba[i][GCOMP]; - } - break; - case GL_RGB_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLshort) rgba[i][RCOMP]; - dst[i*3+1] = (GLshort) rgba[i][GCOMP]; - dst[i*3+2] = (GLshort) rgba[i][BCOMP]; - } - break; - case GL_RGBA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLshort) rgba[i][RCOMP]; - dst[i*4+1] = (GLshort) rgba[i][GCOMP]; - dst[i*4+2] = (GLshort) rgba[i][BCOMP]; - dst[i*4+3] = (GLshort) rgba[i][ACOMP]; - } - break; - case GL_BGR_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLshort) rgba[i][BCOMP]; - dst[i*3+1] = (GLshort) rgba[i][GCOMP]; - dst[i*3+2] = (GLshort) rgba[i][RCOMP]; - } - break; - case GL_BGRA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLshort) rgba[i][BCOMP]; - dst[i*4+1] = (GLshort) rgba[i][GCOMP]; - dst[i*4+2] = (GLshort) rgba[i][RCOMP]; - dst[i*4+3] = (GLshort) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLshort) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - dst[i*2+1] = (GLshort) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLshort) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_UNSIGNED_INT: - { - GLuint *dst = (GLuint *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_UINT(luminance[i]); - dst[i*2+1] = FLOAT_TO_UINT(rgba[i][ACOMP]); - } - break; - case GL_RG: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); - dst[i*2+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UINT(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_UINT(rgba[i][RCOMP]); - } - break; - case GL_RED_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLuint) rgba[i][RCOMP]; - } - break; - case GL_GREEN_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLuint) rgba[i][GCOMP]; - } - break; - case GL_BLUE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLuint) rgba[i][BCOMP]; - } - break; - case GL_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLuint) rgba[i][ACOMP]; - } - break; - case GL_RG_INTEGER: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLuint) rgba[i][RCOMP]; - dst[i*2+1] = (GLuint) rgba[i][GCOMP]; - } - break; - case GL_RGB_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLuint) rgba[i][RCOMP]; - dst[i*3+1] = (GLuint) rgba[i][GCOMP]; - dst[i*3+2] = (GLuint) rgba[i][BCOMP]; - } - break; - case GL_RGBA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLuint) rgba[i][RCOMP]; - dst[i*4+1] = (GLuint) rgba[i][GCOMP]; - dst[i*4+2] = (GLuint) rgba[i][BCOMP]; - dst[i*4+3] = (GLuint) rgba[i][ACOMP]; - } - break; - case GL_BGR_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLuint) rgba[i][BCOMP]; - dst[i*3+1] = (GLuint) rgba[i][GCOMP]; - dst[i*3+2] = (GLuint) rgba[i][RCOMP]; - } - break; - case GL_BGRA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLuint) rgba[i][BCOMP]; - dst[i*4+1] = (GLuint) rgba[i][GCOMP]; - dst[i*4+2] = (GLuint) rgba[i][RCOMP]; - dst[i*4+3] = (GLuint) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLuint) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - dst[i*2+1] = (GLuint) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLuint) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_INT: - { - GLint *dst = (GLint *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_INT(luminance[i]); - dst[i*2+1] = FLOAT_TO_INT(rgba[i][ACOMP]); - } - break; - case GL_RG: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_INT(rgba[i][RCOMP]); - dst[i*2+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_INT(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_INT(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_INT(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_INT(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_INT(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_INT(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_INT(rgba[i][RCOMP]); - } - break; - case GL_RED_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLint) rgba[i][RCOMP]; - } - break; - case GL_GREEN_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLint) rgba[i][GCOMP]; - } - break; - case GL_BLUE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLint) rgba[i][BCOMP]; - } - break; - case GL_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLint) rgba[i][ACOMP]; - } - break; - case GL_RG_INTEGER: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLint) rgba[i][RCOMP]; - dst[i*2+1] = (GLint) rgba[i][GCOMP]; - } - break; - case GL_RGB_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLint) rgba[i][RCOMP]; - dst[i*3+1] = (GLint) rgba[i][GCOMP]; - dst[i*3+2] = (GLint) rgba[i][BCOMP]; - } - break; - case GL_RGBA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLint) rgba[i][RCOMP]; - dst[i*4+1] = (GLint) rgba[i][GCOMP]; - dst[i*4+2] = (GLint) rgba[i][BCOMP]; - dst[i*4+3] = (GLint) rgba[i][ACOMP]; - } - break; - case GL_BGR_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*3+0] = (GLint) rgba[i][BCOMP]; - dst[i*3+1] = (GLint) rgba[i][GCOMP]; - dst[i*3+2] = (GLint) rgba[i][RCOMP]; - } - break; - case GL_BGRA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = (GLint) rgba[i][BCOMP]; - dst[i*4+1] = (GLint) rgba[i][GCOMP]; - dst[i*4+2] = (GLint) rgba[i][RCOMP]; - dst[i*4+3] = (GLint) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i*2+0] = (GLint) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - dst[i*2+1] = (GLint) rgba[i][ACOMP]; - } - break; - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - for (i=0;i<n;i++) { - dst[i] = (GLint) (rgba[i][RCOMP] + - rgba[i][GCOMP] + - rgba[i][BCOMP]); - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_FLOAT: - { - GLfloat *dst = (GLfloat *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = rgba[i][RCOMP]; - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = rgba[i][GCOMP]; - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = rgba[i][BCOMP]; - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = rgba[i][ACOMP]; - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = luminance[i]; - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = luminance[i]; - dst[i*2+1] = rgba[i][ACOMP]; - } - break; - case GL_RG: - for (i=0;i<n;i++) { - dst[i*2+0] = rgba[i][RCOMP]; - dst[i*2+1] = rgba[i][GCOMP]; - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = rgba[i][RCOMP]; - dst[i*3+1] = rgba[i][GCOMP]; - dst[i*3+2] = rgba[i][BCOMP]; - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = rgba[i][RCOMP]; - dst[i*4+1] = rgba[i][GCOMP]; - dst[i*4+2] = rgba[i][BCOMP]; - dst[i*4+3] = rgba[i][ACOMP]; - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = rgba[i][BCOMP]; - dst[i*3+1] = rgba[i][GCOMP]; - dst[i*3+2] = rgba[i][RCOMP]; - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = rgba[i][BCOMP]; - dst[i*4+1] = rgba[i][GCOMP]; - dst[i*4+2] = rgba[i][RCOMP]; - dst[i*4+3] = rgba[i][ACOMP]; - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = rgba[i][ACOMP]; - dst[i*4+1] = rgba[i][BCOMP]; - dst[i*4+2] = rgba[i][GCOMP]; - dst[i*4+3] = rgba[i][RCOMP]; - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_HALF_FLOAT_ARB: - { - GLhalfARB *dst = (GLhalfARB *) dstAddr; - switch (dstFormat) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = _mesa_float_to_half(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = _mesa_float_to_half(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = _mesa_float_to_half(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = _mesa_float_to_half(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = _mesa_float_to_half(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = _mesa_float_to_half(luminance[i]); - dst[i*2+1] = _mesa_float_to_half(rgba[i][ACOMP]); - } - break; - case GL_RG: - for (i=0;i<n;i++) { - dst[i*2+0] = _mesa_float_to_half(rgba[i][RCOMP]); - dst[i*2+1] = _mesa_float_to_half(rgba[i][GCOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = _mesa_float_to_half(rgba[i][RCOMP]); - dst[i*3+1] = _mesa_float_to_half(rgba[i][GCOMP]); - dst[i*3+2] = _mesa_float_to_half(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = _mesa_float_to_half(rgba[i][RCOMP]); - dst[i*4+1] = _mesa_float_to_half(rgba[i][GCOMP]); - dst[i*4+2] = _mesa_float_to_half(rgba[i][BCOMP]); - dst[i*4+3] = _mesa_float_to_half(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = _mesa_float_to_half(rgba[i][BCOMP]); - dst[i*3+1] = _mesa_float_to_half(rgba[i][GCOMP]); - dst[i*3+2] = _mesa_float_to_half(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = _mesa_float_to_half(rgba[i][BCOMP]); - dst[i*4+1] = _mesa_float_to_half(rgba[i][GCOMP]); - dst[i*4+2] = _mesa_float_to_half(rgba[i][RCOMP]); - dst[i*4+3] = _mesa_float_to_half(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = _mesa_float_to_half(rgba[i][ACOMP]); - dst[i*4+1] = _mesa_float_to_half(rgba[i][BCOMP]); - dst[i*4+2] = _mesa_float_to_half(rgba[i][GCOMP]); - dst[i*4+3] = _mesa_float_to_half(rgba[i][RCOMP]); - } - break; - default: - _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_UNSIGNED_BYTE_3_3_2: - if (dstFormat == GL_RGB) { - GLubyte *dst = (GLubyte *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 7.0F) << 5) - | (F_TO_I(rgba[i][GCOMP] * 7.0F) << 2) - | (F_TO_I(rgba[i][BCOMP] * 3.0F) ); - } - } - break; - case GL_UNSIGNED_BYTE_2_3_3_REV: - if (dstFormat == GL_RGB) { - GLubyte *dst = (GLubyte *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 7.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 7.0F) << 3) - | (F_TO_I(rgba[i][BCOMP] * 3.0F) << 6); - } - } - break; - case GL_UNSIGNED_SHORT_5_6_5: - if (dstFormat == GL_RGB) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) << 11) - | (F_TO_I(rgba[i][GCOMP] * 63.0F) << 5) - | (F_TO_I(rgba[i][BCOMP] * 31.0F) ); - } - } - break; - case GL_UNSIGNED_SHORT_5_6_5_REV: - if (dstFormat == GL_RGB) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 63.0F) << 5) - | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 11); - } - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4: - if (dstFormat == GL_RGBA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 15.0F) << 12) - | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 8) - | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 4) - | (F_TO_I(rgba[i][ACOMP] * 15.0F) ); - } - } - else if (dstFormat == GL_BGRA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 15.0F) << 12) - | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 8) - | (F_TO_I(rgba[i][RCOMP] * 15.0F) << 4) - | (F_TO_I(rgba[i][ACOMP] * 15.0F) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12) - | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 8) - | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 4) - | (F_TO_I(rgba[i][RCOMP] * 15.0F) ); - } - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - if (dstFormat == GL_RGBA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 15.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 4) - | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 8) - | (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12); - } - } - else if (dstFormat == GL_BGRA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 15.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 4) - | (F_TO_I(rgba[i][RCOMP] * 15.0F) << 8) - | (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 15.0F) ) - | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 4) - | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 8) - | (F_TO_I(rgba[i][RCOMP] * 15.0F) << 12); - } - } - break; - case GL_UNSIGNED_SHORT_5_5_5_1: - if (dstFormat == GL_RGBA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) << 11) - | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 6) - | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 1) - | (F_TO_I(rgba[i][ACOMP] * 1.0F) ); - } - } - else if (dstFormat == GL_BGRA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 31.0F) << 11) - | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 6) - | (F_TO_I(rgba[i][RCOMP] * 31.0F) << 1) - | (F_TO_I(rgba[i][ACOMP] * 1.0F) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 31.0F) << 11) - | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 6) - | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 1) - | (F_TO_I(rgba[i][RCOMP] * 1.0F) ); - } - } - break; - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if (dstFormat == GL_RGBA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 5) - | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 10) - | (F_TO_I(rgba[i][ACOMP] * 1.0F) << 15); - } - } - else if (dstFormat == GL_BGRA) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 31.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 5) - | (F_TO_I(rgba[i][RCOMP] * 31.0F) << 10) - | (F_TO_I(rgba[i][ACOMP] * 1.0F) << 15); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLushort *dst = (GLushort *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 31.0F) ) - | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 5) - | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 10) - | (F_TO_I(rgba[i][RCOMP] * 1.0F) << 15); - } - } - break; - case GL_UNSIGNED_INT_8_8_8_8: - if (dstFormat == GL_RGBA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 255.F) << 24) - | (F_TO_I(rgba[i][GCOMP] * 255.F) << 16) - | (F_TO_I(rgba[i][BCOMP] * 255.F) << 8) - | (F_TO_I(rgba[i][ACOMP] * 255.F) ); - } - } - else if (dstFormat == GL_BGRA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 255.F) << 24) - | (F_TO_I(rgba[i][GCOMP] * 255.F) << 16) - | (F_TO_I(rgba[i][RCOMP] * 255.F) << 8) - | (F_TO_I(rgba[i][ACOMP] * 255.F) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 255.F) << 24) - | (F_TO_I(rgba[i][BCOMP] * 255.F) << 16) - | (F_TO_I(rgba[i][GCOMP] * 255.F) << 8) - | (F_TO_I(rgba[i][RCOMP] * 255.F) ); - } - } - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if (dstFormat == GL_RGBA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 255.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 255.0F) << 8) - | (F_TO_I(rgba[i][BCOMP] * 255.0F) << 16) - | (F_TO_I(rgba[i][ACOMP] * 255.0F) << 24); - } - } - else if (dstFormat == GL_BGRA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 255.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 255.0F) << 8) - | (F_TO_I(rgba[i][RCOMP] * 255.0F) << 16) - | (F_TO_I(rgba[i][ACOMP] * 255.0F) << 24); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 255.0F) ) - | (F_TO_I(rgba[i][BCOMP] * 255.0F) << 8) - | (F_TO_I(rgba[i][GCOMP] * 255.0F) << 16) - | (F_TO_I(rgba[i][RCOMP] * 255.0F) << 24); - } - } - break; - case GL_UNSIGNED_INT_10_10_10_2: - if (dstFormat == GL_RGBA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 22) - | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 12) - | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 2) - | (F_TO_I(rgba[i][ACOMP] * 3.0F) ); - } - } - else if (dstFormat == GL_BGRA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 22) - | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 12) - | (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 2) - | (F_TO_I(rgba[i][ACOMP] * 3.0F) ); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 1023.0F) << 22) - | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 12) - | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 2) - | (F_TO_I(rgba[i][RCOMP] * 3.0F) ); - } - } - break; - case GL_UNSIGNED_INT_2_10_10_10_REV: - if (dstFormat == GL_RGBA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][RCOMP] * 1023.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 10) - | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 20) - | (F_TO_I(rgba[i][ACOMP] * 3.0F) << 30); - } - } - else if (dstFormat == GL_BGRA) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][BCOMP] * 1023.0F) ) - | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 10) - | (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 20) - | (F_TO_I(rgba[i][ACOMP] * 3.0F) << 30); - } - } - else if (dstFormat == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) dstAddr; - for (i=0;i<n;i++) { - dst[i] = (F_TO_I(rgba[i][ACOMP] * 1023.0F) ) - | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 10) - | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 20) - | (F_TO_I(rgba[i][RCOMP] * 3.0F) << 30); - } - } - break; - case GL_UNSIGNED_INT_5_9_9_9_REV: - { - GLuint *dst = (GLuint *) dstAddr; - for (i = 0; i < n; i++) { - dst[i] = float3_to_rgb9e5(rgba[i]); - } - } - break; - case GL_UNSIGNED_INT_10F_11F_11F_REV: - { - GLuint *dst = (GLuint *) dstAddr; - for (i = 0; i < n; i++) { - dst[i] = float3_to_r11g11b10f(rgba[i]); - } - } - break; - default: - _mesa_problem(ctx, "bad type in _mesa_pack_rgba_span_float"); - free(luminance); - return; - } - - if (dstPacking->SwapBytes) { - GLint swapSize = _mesa_sizeof_packed_type(dstType); - if (swapSize == 2) { - _mesa_swap2((GLushort *) dstAddr, n * comps); - } - else if (swapSize == 4) { - _mesa_swap4((GLuint *) dstAddr, n * comps); - } - } - - free(luminance); -} - - - #define SWAP2BYTE(VALUE) \ { \ GLubyte *bytes = (GLubyte *) &(VALUE); \ @@ -2724,6 +268,7 @@ extract_uint_indexes(GLuint n, GLuint indexes[], srcType == GL_INT || srcType == GL_UNSIGNED_INT_24_8_EXT || srcType == GL_HALF_FLOAT_ARB || + srcType == GL_HALF_FLOAT_OES || srcType == GL_FLOAT || srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV); @@ -2863,6 +408,7 @@ extract_uint_indexes(GLuint n, GLuint indexes[], } break; case GL_HALF_FLOAT_ARB: + case GL_HALF_FLOAT_OES: { GLuint i; const GLhalfARB *s = (const GLhalfARB *) src; @@ -2921,743 +467,6 @@ extract_uint_indexes(GLuint n, GLuint indexes[], } -/** - * Return source/dest RGBA indexes for unpacking pixels. - */ -static void -get_component_mapping(GLenum format, - GLint *rSrc, - GLint *gSrc, - GLint *bSrc, - GLint *aSrc, - GLint *rDst, - GLint *gDst, - GLint *bDst, - GLint *aDst) -{ - switch (format) { - case GL_RED: - case GL_RED_INTEGER_EXT: - *rSrc = 0; - *gSrc = *bSrc = *aSrc = -1; - break; - case GL_GREEN: - case GL_GREEN_INTEGER_EXT: - *gSrc = 0; - *rSrc = *bSrc = *aSrc = -1; - break; - case GL_BLUE: - case GL_BLUE_INTEGER_EXT: - *bSrc = 0; - *rSrc = *gSrc = *aSrc = -1; - break; - case GL_ALPHA: - case GL_ALPHA_INTEGER_EXT: - *rSrc = *gSrc = *bSrc = -1; - *aSrc = 0; - break; - case GL_LUMINANCE: - case GL_LUMINANCE_INTEGER_EXT: - *rSrc = *gSrc = *bSrc = 0; - *aSrc = -1; - break; - case GL_LUMINANCE_ALPHA: - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - *rSrc = *gSrc = *bSrc = 0; - *aSrc = 1; - break; - case GL_INTENSITY: - *rSrc = *gSrc = *bSrc = *aSrc = 0; - break; - case GL_RG: - case GL_RG_INTEGER: - *rSrc = 0; - *gSrc = 1; - *bSrc = -1; - *aSrc = -1; - *rDst = 0; - *gDst = 1; - *bDst = 2; - *aDst = 3; - break; - case GL_RGB: - case GL_RGB_INTEGER: - *rSrc = 0; - *gSrc = 1; - *bSrc = 2; - *aSrc = -1; - *rDst = 0; - *gDst = 1; - *bDst = 2; - *aDst = 3; - break; - case GL_BGR: - case GL_BGR_INTEGER: - *rSrc = 2; - *gSrc = 1; - *bSrc = 0; - *aSrc = -1; - *rDst = 2; - *gDst = 1; - *bDst = 0; - *aDst = 3; - break; - case GL_RGBA: - case GL_RGBA_INTEGER: - *rSrc = 0; - *gSrc = 1; - *bSrc = 2; - *aSrc = 3; - *rDst = 0; - *gDst = 1; - *bDst = 2; - *aDst = 3; - break; - case GL_BGRA: - case GL_BGRA_INTEGER: - *rSrc = 2; - *gSrc = 1; - *bSrc = 0; - *aSrc = 3; - *rDst = 2; - *gDst = 1; - *bDst = 0; - *aDst = 3; - break; - case GL_ABGR_EXT: - *rSrc = 3; - *gSrc = 2; - *bSrc = 1; - *aSrc = 0; - *rDst = 3; - *gDst = 2; - *bDst = 1; - *aDst = 0; - break; - default: - _mesa_problem(NULL, "bad srcFormat %s in get_component_mapping", - _mesa_lookup_enum_by_nr(format)); - return; - } -} - - - -/* - * This function extracts floating point RGBA values from arbitrary - * image data. srcFormat and srcType are the format and type parameters - * passed to glDrawPixels, glTexImage[123]D, glTexSubImage[123]D, etc. - * - * Refering to section 3.6.4 of the OpenGL 1.2 spec, this function - * implements the "Conversion to floating point", "Conversion to RGB", - * and "Final Expansion to RGBA" operations. - * - * Args: n - number of pixels - * rgba - output colors - * srcFormat - format of incoming data - * srcType - data type of incoming data - * src - source data pointer - * swapBytes - perform byteswapping of incoming data? - */ -static void -extract_float_rgba(GLuint n, GLfloat rgba[][4], - GLenum srcFormat, GLenum srcType, const GLvoid *src, - GLboolean swapBytes) -{ - GLint rSrc, gSrc, bSrc, aSrc; - GLint stride; - GLint rDst, bDst, gDst, aDst; - GLboolean intFormat; - GLfloat rs = 1.0f, gs = 1.0f, bs = 1.0f, as = 1.0f; /* scale factors */ - - ASSERT(srcFormat == GL_RED || - srcFormat == GL_GREEN || - srcFormat == GL_BLUE || - srcFormat == GL_ALPHA || - srcFormat == GL_LUMINANCE || - srcFormat == GL_LUMINANCE_ALPHA || - srcFormat == GL_INTENSITY || - srcFormat == GL_RG || - srcFormat == GL_RGB || - srcFormat == GL_BGR || - srcFormat == GL_RGBA || - srcFormat == GL_BGRA || - srcFormat == GL_ABGR_EXT || - srcFormat == GL_RED_INTEGER_EXT || - srcFormat == GL_GREEN_INTEGER_EXT || - srcFormat == GL_BLUE_INTEGER_EXT || - srcFormat == GL_ALPHA_INTEGER_EXT || - srcFormat == GL_RG_INTEGER || - srcFormat == GL_RGB_INTEGER_EXT || - srcFormat == GL_RGBA_INTEGER_EXT || - srcFormat == GL_BGR_INTEGER_EXT || - srcFormat == GL_BGRA_INTEGER_EXT || - srcFormat == GL_LUMINANCE_INTEGER_EXT || - srcFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT); - - ASSERT(srcType == GL_UNSIGNED_BYTE || - srcType == GL_BYTE || - srcType == GL_UNSIGNED_SHORT || - srcType == GL_SHORT || - srcType == GL_UNSIGNED_INT || - srcType == GL_INT || - srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT || - srcType == GL_UNSIGNED_BYTE_3_3_2 || - srcType == GL_UNSIGNED_BYTE_2_3_3_REV || - srcType == GL_UNSIGNED_SHORT_5_6_5 || - srcType == GL_UNSIGNED_SHORT_5_6_5_REV || - srcType == GL_UNSIGNED_SHORT_4_4_4_4 || - srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || - srcType == GL_UNSIGNED_SHORT_5_5_5_1 || - srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || - srcType == GL_UNSIGNED_INT_8_8_8_8 || - srcType == GL_UNSIGNED_INT_8_8_8_8_REV || - srcType == GL_UNSIGNED_INT_10_10_10_2 || - srcType == GL_UNSIGNED_INT_2_10_10_10_REV || - srcType == GL_UNSIGNED_INT_5_9_9_9_REV || - srcType == GL_UNSIGNED_INT_10F_11F_11F_REV); - - get_component_mapping(srcFormat, - &rSrc, &gSrc, &bSrc, &aSrc, - &rDst, &gDst, &bDst, &aDst); - - stride = _mesa_components_in_format(srcFormat); - - intFormat = _mesa_is_enum_format_integer(srcFormat); - -#define PROCESS(SRC_INDEX, DST_INDEX, DEFAULT_FLT, DEFAULT_INT, TYPE, CONVERSION) \ - if ((SRC_INDEX) < 0) { \ - GLuint i; \ - if (intFormat) { \ - for (i = 0; i < n; i++) { \ - rgba[i][DST_INDEX] = DEFAULT_INT; \ - } \ - } \ - else { \ - for (i = 0; i < n; i++) { \ - rgba[i][DST_INDEX] = DEFAULT_FLT; \ - } \ - } \ - } \ - else if (swapBytes) { \ - const TYPE *s = (const TYPE *) src; \ - GLuint i; \ - for (i = 0; i < n; i++) { \ - TYPE value = s[SRC_INDEX]; \ - if (sizeof(TYPE) == 2) { \ - SWAP2BYTE(value); \ - } \ - else if (sizeof(TYPE) == 4) { \ - SWAP4BYTE(value); \ - } \ - if (intFormat) \ - rgba[i][DST_INDEX] = (GLfloat) value; \ - else \ - rgba[i][DST_INDEX] = (GLfloat) CONVERSION(value); \ - s += stride; \ - } \ - } \ - else { \ - const TYPE *s = (const TYPE *) src; \ - GLuint i; \ - if (intFormat) { \ - for (i = 0; i < n; i++) { \ - rgba[i][DST_INDEX] = (GLfloat) s[SRC_INDEX]; \ - s += stride; \ - } \ - } \ - else { \ - for (i = 0; i < n; i++) { \ - rgba[i][DST_INDEX] = (GLfloat) CONVERSION(s[SRC_INDEX]); \ - s += stride; \ - } \ - } \ - } - - switch (srcType) { - case GL_UNSIGNED_BYTE: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLubyte, UBYTE_TO_FLOAT); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLubyte, UBYTE_TO_FLOAT); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLubyte, UBYTE_TO_FLOAT); - PROCESS(aSrc, ACOMP, 1.0F, 255, GLubyte, UBYTE_TO_FLOAT); - break; - case GL_BYTE: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT_TEX); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT_TEX); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT_TEX); - PROCESS(aSrc, ACOMP, 1.0F, 127, GLbyte, BYTE_TO_FLOAT_TEX); - break; - case GL_UNSIGNED_SHORT: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLushort, USHORT_TO_FLOAT); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLushort, USHORT_TO_FLOAT); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLushort, USHORT_TO_FLOAT); - PROCESS(aSrc, ACOMP, 1.0F, 0xffff, GLushort, USHORT_TO_FLOAT); - break; - case GL_SHORT: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT_TEX); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT_TEX); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT_TEX); - PROCESS(aSrc, ACOMP, 1.0F, 32767, GLshort, SHORT_TO_FLOAT_TEX); - break; - case GL_UNSIGNED_INT: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLuint, UINT_TO_FLOAT); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLuint, UINT_TO_FLOAT); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLuint, UINT_TO_FLOAT); - PROCESS(aSrc, ACOMP, 1.0F, 0xffffffff, GLuint, UINT_TO_FLOAT); - break; - case GL_INT: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLint, INT_TO_FLOAT); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLint, INT_TO_FLOAT); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLint, INT_TO_FLOAT); - PROCESS(aSrc, ACOMP, 1.0F, 2147483647, GLint, INT_TO_FLOAT); - break; - case GL_FLOAT: - PROCESS(rSrc, RCOMP, 0.0F, 0.0F, GLfloat, (GLfloat)); - PROCESS(gSrc, GCOMP, 0.0F, 0.0F, GLfloat, (GLfloat)); - PROCESS(bSrc, BCOMP, 0.0F, 0.0F, GLfloat, (GLfloat)); - PROCESS(aSrc, ACOMP, 1.0F, 1.0F, GLfloat, (GLfloat)); - break; - case GL_HALF_FLOAT_ARB: - PROCESS(rSrc, RCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float); - PROCESS(gSrc, GCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float); - PROCESS(bSrc, BCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float); - PROCESS(aSrc, ACOMP, 1.0F, 1.0F, GLhalfARB, _mesa_half_to_float); - break; - case GL_UNSIGNED_BYTE_3_3_2: - { - const GLubyte *ubsrc = (const GLubyte *) src; - GLuint i; - if (!intFormat) { - rs = 1.0F / 7.0F; - gs = 1.0F / 7.0F; - bs = 1.0F / 3.0F; - } - for (i = 0; i < n; i ++) { - GLubyte p = ubsrc[i]; - rgba[i][rDst] = ((p >> 5) ) * rs; - rgba[i][gDst] = ((p >> 2) & 0x7) * gs; - rgba[i][bDst] = ((p ) & 0x3) * bs; - rgba[i][aDst] = 1.0F; - } - } - break; - case GL_UNSIGNED_BYTE_2_3_3_REV: - { - const GLubyte *ubsrc = (const GLubyte *) src; - GLuint i; - if (!intFormat) { - rs = 1.0F / 7.0F; - gs = 1.0F / 7.0F; - bs = 1.0F / 3.0F; - } - for (i = 0; i < n; i ++) { - GLubyte p = ubsrc[i]; - rgba[i][rDst] = ((p ) & 0x7) * rs; - rgba[i][gDst] = ((p >> 3) & 0x7) * gs; - rgba[i][bDst] = ((p >> 6) ) * bs; - rgba[i][aDst] = 1.0F; - } - } - break; - case GL_UNSIGNED_SHORT_5_6_5: - if (!intFormat) { - rs = 1.0F / 31.0F; - gs = 1.0F / 63.0F; - bs = 1.0F / 31.0F; - } - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p >> 11) ) * rs; - rgba[i][gDst] = ((p >> 5) & 0x3f) * gs; - rgba[i][bDst] = ((p ) & 0x1f) * bs; - rgba[i][aDst] = 1.0F; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p >> 11) ) * rs; - rgba[i][gDst] = ((p >> 5) & 0x3f) * gs; - rgba[i][bDst] = ((p ) & 0x1f) * bs; - rgba[i][aDst] = 1.0F; - } - } - break; - case GL_UNSIGNED_SHORT_5_6_5_REV: - if (!intFormat) { - rs = 1.0F / 31.0F; - gs = 1.0F / 63.0F; - bs = 1.0F / 31.0F; - } - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p ) & 0x1f) * rs; - rgba[i][gDst] = ((p >> 5) & 0x3f) * gs; - rgba[i][bDst] = ((p >> 11) ) * bs; - rgba[i][aDst] = 1.0F; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p ) & 0x1f) * rs; - rgba[i][gDst] = ((p >> 5) & 0x3f) * gs; - rgba[i][bDst] = ((p >> 11) ) * bs; - rgba[i][aDst] = 1.0F; - } - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4: - if (!intFormat) { - rs = gs = bs = as = 1.0F / 15.0F; - } - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p >> 12) ) * rs; - rgba[i][gDst] = ((p >> 8) & 0xf) * gs; - rgba[i][bDst] = ((p >> 4) & 0xf) * bs; - rgba[i][aDst] = ((p ) & 0xf) * as; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p >> 12) ) * rs; - rgba[i][gDst] = ((p >> 8) & 0xf) * gs; - rgba[i][bDst] = ((p >> 4) & 0xf) * bs; - rgba[i][aDst] = ((p ) & 0xf) * as; - } - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - if (!intFormat) { - rs = gs = bs = as = 1.0F / 15.0F; - } - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p ) & 0xf) * rs; - rgba[i][gDst] = ((p >> 4) & 0xf) * gs; - rgba[i][bDst] = ((p >> 8) & 0xf) * bs; - rgba[i][aDst] = ((p >> 12) ) * as; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p ) & 0xf) * rs; - rgba[i][gDst] = ((p >> 4) & 0xf) * gs; - rgba[i][bDst] = ((p >> 8) & 0xf) * bs; - rgba[i][aDst] = ((p >> 12) ) * as; - } - } - break; - case GL_UNSIGNED_SHORT_5_5_5_1: - if (!intFormat) { - rs = gs = bs = 1.0F / 31.0F; - } - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p >> 11) ) * rs; - rgba[i][gDst] = ((p >> 6) & 0x1f) * gs; - rgba[i][bDst] = ((p >> 1) & 0x1f) * bs; - rgba[i][aDst] = ((p ) & 0x1) * as; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p >> 11) ) * rs; - rgba[i][gDst] = ((p >> 6) & 0x1f) * gs; - rgba[i][bDst] = ((p >> 1) & 0x1f) * bs; - rgba[i][aDst] = ((p ) & 0x1) * as; - } - } - break; - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if (!intFormat) { - rs = gs = bs = 1.0F / 31.0F; - } - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p ) & 0x1f) * rs; - rgba[i][gDst] = ((p >> 5) & 0x1f) * gs; - rgba[i][bDst] = ((p >> 10) & 0x1f) * bs; - rgba[i][aDst] = ((p >> 15) ) * as; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p ) & 0x1f) * rs; - rgba[i][gDst] = ((p >> 5) & 0x1f) * gs; - rgba[i][bDst] = ((p >> 10) & 0x1f) * bs; - rgba[i][aDst] = ((p >> 15) ) * as; - } - } - break; - case GL_UNSIGNED_INT_8_8_8_8: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - if (intFormat) { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = (GLfloat) ((p ) & 0xff); - rgba[i][gDst] = (GLfloat) ((p >> 8) & 0xff); - rgba[i][bDst] = (GLfloat) ((p >> 16) & 0xff); - rgba[i][aDst] = (GLfloat) ((p >> 24) ); - } - } - else { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = UBYTE_TO_FLOAT((p ) & 0xff); - rgba[i][gDst] = UBYTE_TO_FLOAT((p >> 8) & 0xff); - rgba[i][bDst] = UBYTE_TO_FLOAT((p >> 16) & 0xff); - rgba[i][aDst] = UBYTE_TO_FLOAT((p >> 24) ); - } - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - if (intFormat) { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = (GLfloat) ((p >> 24) ); - rgba[i][gDst] = (GLfloat) ((p >> 16) & 0xff); - rgba[i][bDst] = (GLfloat) ((p >> 8) & 0xff); - rgba[i][aDst] = (GLfloat) ((p ) & 0xff); - } - } - else { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = UBYTE_TO_FLOAT((p >> 24) ); - rgba[i][gDst] = UBYTE_TO_FLOAT((p >> 16) & 0xff); - rgba[i][bDst] = UBYTE_TO_FLOAT((p >> 8) & 0xff); - rgba[i][aDst] = UBYTE_TO_FLOAT((p ) & 0xff); - } - } - } - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - if (intFormat) { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = (GLfloat) ((p >> 24) ); - rgba[i][gDst] = (GLfloat) ((p >> 16) & 0xff); - rgba[i][bDst] = (GLfloat) ((p >> 8) & 0xff); - rgba[i][aDst] = (GLfloat) ((p ) & 0xff); - } - } - else { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = UBYTE_TO_FLOAT((p >> 24) ); - rgba[i][gDst] = UBYTE_TO_FLOAT((p >> 16) & 0xff); - rgba[i][bDst] = UBYTE_TO_FLOAT((p >> 8) & 0xff); - rgba[i][aDst] = UBYTE_TO_FLOAT((p ) & 0xff); - } - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - if (intFormat) { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = (GLfloat) ((p ) & 0xff); - rgba[i][gDst] = (GLfloat) ((p >> 8) & 0xff); - rgba[i][bDst] = (GLfloat) ((p >> 16) & 0xff); - rgba[i][aDst] = (GLfloat) ((p >> 24) ); - } - } - else { - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = UBYTE_TO_FLOAT((p ) & 0xff); - rgba[i][gDst] = UBYTE_TO_FLOAT((p >> 8) & 0xff); - rgba[i][bDst] = UBYTE_TO_FLOAT((p >> 16) & 0xff); - rgba[i][aDst] = UBYTE_TO_FLOAT((p >> 24) ); - } - } - } - break; - case GL_UNSIGNED_INT_10_10_10_2: - if (!intFormat) { - rs = 1.0F / 1023.0F; - gs = 1.0F / 1023.0F; - bs = 1.0F / 1023.0F; - as = 1.0F / 3.0F; - } - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - rgba[i][rDst] = ((p >> 22) ) * rs; - rgba[i][gDst] = ((p >> 12) & 0x3ff) * gs; - rgba[i][bDst] = ((p >> 2) & 0x3ff) * bs; - rgba[i][aDst] = ((p ) & 0x3 ) * as; - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p >> 22) ) * rs; - rgba[i][gDst] = ((p >> 12) & 0x3ff) * gs; - rgba[i][bDst] = ((p >> 2) & 0x3ff) * bs; - rgba[i][aDst] = ((p ) & 0x3 ) * as; - } - } - break; - case GL_UNSIGNED_INT_2_10_10_10_REV: - if (!intFormat) { - rs = 1.0F / 1023.0F; - gs = 1.0F / 1023.0F; - bs = 1.0F / 1023.0F; - as = 1.0F / 3.0F; - } - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - rgba[i][rDst] = ((p ) & 0x3ff) * rs; - rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs; - rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs; - if (aSrc < 0) { - rgba[i][aDst] = 1.0F; - } else { - rgba[i][aDst] = (p >> 30) * as; - } - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p ) & 0x3ff) * rs; - rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs; - rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs; - if (aSrc < 0) { - rgba[i][aDst] = 1.0F; - } else { - rgba[i][aDst] = (p >> 30) * as; - } - } - } - break; - case GL_UNSIGNED_INT_5_9_9_9_REV: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - GLfloat f[3]; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - rgb9e5_to_float3(p, f); - rgba[i][rDst] = f[0]; - rgba[i][gDst] = f[1]; - rgba[i][bDst] = f[2]; - rgba[i][aDst] = 1.0F; - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - GLfloat f[3]; - for (i = 0; i < n; i ++) { - rgb9e5_to_float3(uisrc[i], f); - rgba[i][rDst] = f[0]; - rgba[i][gDst] = f[1]; - rgba[i][bDst] = f[2]; - rgba[i][aDst] = 1.0F; - } - } - break; - case GL_UNSIGNED_INT_10F_11F_11F_REV: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - GLfloat f[3]; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - r11g11b10f_to_float3(p, f); - rgba[i][rDst] = f[0]; - rgba[i][gDst] = f[1]; - rgba[i][bDst] = f[2]; - rgba[i][aDst] = 1.0F; - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - GLfloat f[3]; - for (i = 0; i < n; i ++) { - r11g11b10f_to_float3(uisrc[i], f); - rgba[i][rDst] = f[0]; - rgba[i][gDst] = f[1]; - rgba[i][bDst] = f[2]; - rgba[i][aDst] = 1.0F; - } - } - break; - default: - _mesa_problem(NULL, "bad srcType in extract float data"); - break; - } -#undef PROCESS -} - - static inline GLuint clamp_float_to_uint(GLfloat f) { @@ -3673,1326 +482,6 @@ clamp_half_to_uint(GLhalfARB h) } -/** - * \sa extract_float_rgba() - */ -static void -extract_uint_rgba(GLuint n, GLuint rgba[][4], - GLenum srcFormat, GLenum srcType, const GLvoid *src, - GLboolean swapBytes) -{ - GLint rSrc, gSrc, bSrc, aSrc; - GLint stride; - GLint rDst, bDst, gDst, aDst; - - ASSERT(srcFormat == GL_RED || - srcFormat == GL_GREEN || - srcFormat == GL_BLUE || - srcFormat == GL_ALPHA || - srcFormat == GL_LUMINANCE || - srcFormat == GL_LUMINANCE_ALPHA || - srcFormat == GL_INTENSITY || - srcFormat == GL_RG || - srcFormat == GL_RGB || - srcFormat == GL_BGR || - srcFormat == GL_RGBA || - srcFormat == GL_BGRA || - srcFormat == GL_ABGR_EXT || - srcFormat == GL_RED_INTEGER_EXT || - srcFormat == GL_RG_INTEGER || - srcFormat == GL_GREEN_INTEGER_EXT || - srcFormat == GL_BLUE_INTEGER_EXT || - srcFormat == GL_ALPHA_INTEGER_EXT || - srcFormat == GL_RGB_INTEGER_EXT || - srcFormat == GL_RGBA_INTEGER_EXT || - srcFormat == GL_BGR_INTEGER_EXT || - srcFormat == GL_BGRA_INTEGER_EXT || - srcFormat == GL_LUMINANCE_INTEGER_EXT || - srcFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT); - - ASSERT(srcType == GL_UNSIGNED_BYTE || - srcType == GL_BYTE || - srcType == GL_UNSIGNED_SHORT || - srcType == GL_SHORT || - srcType == GL_UNSIGNED_INT || - srcType == GL_INT || - srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT || - srcType == GL_UNSIGNED_BYTE_3_3_2 || - srcType == GL_UNSIGNED_BYTE_2_3_3_REV || - srcType == GL_UNSIGNED_SHORT_5_6_5 || - srcType == GL_UNSIGNED_SHORT_5_6_5_REV || - srcType == GL_UNSIGNED_SHORT_4_4_4_4 || - srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || - srcType == GL_UNSIGNED_SHORT_5_5_5_1 || - srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || - srcType == GL_UNSIGNED_INT_8_8_8_8 || - srcType == GL_UNSIGNED_INT_8_8_8_8_REV || - srcType == GL_UNSIGNED_INT_10_10_10_2 || - srcType == GL_UNSIGNED_INT_2_10_10_10_REV || - srcType == GL_UNSIGNED_INT_5_9_9_9_REV || - srcType == GL_UNSIGNED_INT_10F_11F_11F_REV); - - get_component_mapping(srcFormat, - &rSrc, &gSrc, &bSrc, &aSrc, - &rDst, &gDst, &bDst, &aDst); - - stride = _mesa_components_in_format(srcFormat); - -#define PROCESS(SRC_INDEX, DST_INDEX, DEFAULT, TYPE, CONVERSION) \ - if ((SRC_INDEX) < 0) { \ - GLuint i; \ - for (i = 0; i < n; i++) { \ - rgba[i][DST_INDEX] = DEFAULT; \ - } \ - } \ - else if (swapBytes) { \ - const TYPE *s = (const TYPE *) src; \ - GLuint i; \ - for (i = 0; i < n; i++) { \ - TYPE value = s[SRC_INDEX]; \ - if (sizeof(TYPE) == 2) { \ - SWAP2BYTE(value); \ - } \ - else if (sizeof(TYPE) == 4) { \ - SWAP4BYTE(value); \ - } \ - rgba[i][DST_INDEX] = CONVERSION(value); \ - s += stride; \ - } \ - } \ - else { \ - const TYPE *s = (const TYPE *) src; \ - GLuint i; \ - for (i = 0; i < n; i++) { \ - rgba[i][DST_INDEX] = CONVERSION(s[SRC_INDEX]); \ - s += stride; \ - } \ - } - - switch (srcType) { - case GL_UNSIGNED_BYTE: - PROCESS(rSrc, RCOMP, 0, GLubyte, (GLuint)); - PROCESS(gSrc, GCOMP, 0, GLubyte, (GLuint)); - PROCESS(bSrc, BCOMP, 0, GLubyte, (GLuint)); - PROCESS(aSrc, ACOMP, 1, GLubyte, (GLuint)); - break; - case GL_BYTE: - PROCESS(rSrc, RCOMP, 0, GLbyte, (GLuint)); - PROCESS(gSrc, GCOMP, 0, GLbyte, (GLuint)); - PROCESS(bSrc, BCOMP, 0, GLbyte, (GLuint)); - PROCESS(aSrc, ACOMP, 1, GLbyte, (GLuint)); - break; - case GL_UNSIGNED_SHORT: - PROCESS(rSrc, RCOMP, 0, GLushort, (GLuint)); - PROCESS(gSrc, GCOMP, 0, GLushort, (GLuint)); - PROCESS(bSrc, BCOMP, 0, GLushort, (GLuint)); - PROCESS(aSrc, ACOMP, 1, GLushort, (GLuint)); - break; - case GL_SHORT: - PROCESS(rSrc, RCOMP, 0, GLshort, (GLuint)); - PROCESS(gSrc, GCOMP, 0, GLshort, (GLuint)); - PROCESS(bSrc, BCOMP, 0, GLshort, (GLuint)); - PROCESS(aSrc, ACOMP, 1, GLshort, (GLuint)); - break; - case GL_UNSIGNED_INT: - PROCESS(rSrc, RCOMP, 0, GLuint, (GLuint)); - PROCESS(gSrc, GCOMP, 0, GLuint, (GLuint)); - PROCESS(bSrc, BCOMP, 0, GLuint, (GLuint)); - PROCESS(aSrc, ACOMP, 1, GLuint, (GLuint)); - break; - case GL_INT: - PROCESS(rSrc, RCOMP, 0, GLint, (GLuint)); - PROCESS(gSrc, GCOMP, 0, GLint, (GLuint)); - PROCESS(bSrc, BCOMP, 0, GLint, (GLuint)); - PROCESS(aSrc, ACOMP, 1, GLint, (GLuint)); - break; - case GL_FLOAT: - PROCESS(rSrc, RCOMP, 0, GLfloat, clamp_float_to_uint); - PROCESS(gSrc, GCOMP, 0, GLfloat, clamp_float_to_uint); - PROCESS(bSrc, BCOMP, 0, GLfloat, clamp_float_to_uint); - PROCESS(aSrc, ACOMP, 1, GLfloat, clamp_float_to_uint); - break; - case GL_HALF_FLOAT_ARB: - PROCESS(rSrc, RCOMP, 0, GLhalfARB, clamp_half_to_uint); - PROCESS(gSrc, GCOMP, 0, GLhalfARB, clamp_half_to_uint); - PROCESS(bSrc, BCOMP, 0, GLhalfARB, clamp_half_to_uint); - PROCESS(aSrc, ACOMP, 1, GLhalfARB, clamp_half_to_uint); - break; - case GL_UNSIGNED_BYTE_3_3_2: - { - const GLubyte *ubsrc = (const GLubyte *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLubyte p = ubsrc[i]; - rgba[i][rDst] = ((p >> 5) ); - rgba[i][gDst] = ((p >> 2) & 0x7); - rgba[i][bDst] = ((p ) & 0x3); - rgba[i][aDst] = 1; - } - } - break; - case GL_UNSIGNED_BYTE_2_3_3_REV: - { - const GLubyte *ubsrc = (const GLubyte *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLubyte p = ubsrc[i]; - rgba[i][rDst] = ((p ) & 0x7); - rgba[i][gDst] = ((p >> 3) & 0x7); - rgba[i][bDst] = ((p >> 6) ); - rgba[i][aDst] = 1; - } - } - break; - case GL_UNSIGNED_SHORT_5_6_5: - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p >> 11) ); - rgba[i][gDst] = ((p >> 5) & 0x3f); - rgba[i][bDst] = ((p ) & 0x1f); - rgba[i][aDst] = 1; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p >> 11) ); - rgba[i][gDst] = ((p >> 5) & 0x3f); - rgba[i][bDst] = ((p ) & 0x1f); - rgba[i][aDst] = 1; - } - } - break; - case GL_UNSIGNED_SHORT_5_6_5_REV: - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p ) & 0x1f); - rgba[i][gDst] = ((p >> 5) & 0x3f); - rgba[i][bDst] = ((p >> 11) ); - rgba[i][aDst] = 1; - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p ) & 0x1f); - rgba[i][gDst] = ((p >> 5) & 0x3f); - rgba[i][bDst] = ((p >> 11) ); - rgba[i][aDst] = 1; - } - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4: - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p >> 12) ); - rgba[i][gDst] = ((p >> 8) & 0xf); - rgba[i][bDst] = ((p >> 4) & 0xf); - rgba[i][aDst] = ((p ) & 0xf); - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p >> 12) ); - rgba[i][gDst] = ((p >> 8) & 0xf); - rgba[i][bDst] = ((p >> 4) & 0xf); - rgba[i][aDst] = ((p ) & 0xf); - } - } - break; - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p ) & 0xf); - rgba[i][gDst] = ((p >> 4) & 0xf); - rgba[i][bDst] = ((p >> 8) & 0xf); - rgba[i][aDst] = ((p >> 12) ); - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p ) & 0xf); - rgba[i][gDst] = ((p >> 4) & 0xf); - rgba[i][bDst] = ((p >> 8) & 0xf); - rgba[i][aDst] = ((p >> 12) ); - } - } - break; - case GL_UNSIGNED_SHORT_5_5_5_1: - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p >> 11) ); - rgba[i][gDst] = ((p >> 6) & 0x1f); - rgba[i][bDst] = ((p >> 1) & 0x1f); - rgba[i][aDst] = ((p ) & 0x1 ); - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p >> 11) ); - rgba[i][gDst] = ((p >> 6) & 0x1f); - rgba[i][bDst] = ((p >> 1) & 0x1f); - rgba[i][aDst] = ((p ) & 0x1 ); - } - } - break; - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if (swapBytes) { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - SWAP2BYTE(p); - rgba[i][rDst] = ((p ) & 0x1f); - rgba[i][gDst] = ((p >> 5) & 0x1f); - rgba[i][bDst] = ((p >> 10) & 0x1f); - rgba[i][aDst] = ((p >> 15) ); - } - } - else { - const GLushort *ussrc = (const GLushort *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLushort p = ussrc[i]; - rgba[i][rDst] = ((p ) & 0x1f); - rgba[i][gDst] = ((p >> 5) & 0x1f); - rgba[i][bDst] = ((p >> 10) & 0x1f); - rgba[i][aDst] = ((p >> 15) ); - } - } - break; - case GL_UNSIGNED_INT_8_8_8_8: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p ) & 0xff); - rgba[i][gDst] = ((p >> 8) & 0xff); - rgba[i][bDst] = ((p >> 16) & 0xff); - rgba[i][aDst] = ((p >> 24) ); - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p >> 24) ); - rgba[i][gDst] = ((p >> 16) & 0xff); - rgba[i][bDst] = ((p >> 8) & 0xff); - rgba[i][aDst] = ((p ) & 0xff); - } - } - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p >> 24) ); - rgba[i][gDst] = ((p >> 16) & 0xff); - rgba[i][bDst] = ((p >> 8) & 0xff); - rgba[i][aDst] = ((p ) & 0xff); - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p ) & 0xff); - rgba[i][gDst] = ((p >> 8) & 0xff); - rgba[i][bDst] = ((p >> 16) & 0xff); - rgba[i][aDst] = ((p >> 24) ); - } - } - break; - case GL_UNSIGNED_INT_10_10_10_2: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - rgba[i][rDst] = ((p >> 22) ); - rgba[i][gDst] = ((p >> 12) & 0x3ff); - rgba[i][bDst] = ((p >> 2) & 0x3ff); - rgba[i][aDst] = ((p ) & 0x3 ); - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p >> 22) ); - rgba[i][gDst] = ((p >> 12) & 0x3ff); - rgba[i][bDst] = ((p >> 2) & 0x3ff); - rgba[i][aDst] = ((p ) & 0x3 ); - } - } - break; - case GL_UNSIGNED_INT_2_10_10_10_REV: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - rgba[i][rDst] = ((p ) & 0x3ff); - rgba[i][gDst] = ((p >> 10) & 0x3ff); - rgba[i][bDst] = ((p >> 20) & 0x3ff); - rgba[i][aDst] = ((p >> 30) ); - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgba[i][rDst] = ((p ) & 0x3ff); - rgba[i][gDst] = ((p >> 10) & 0x3ff); - rgba[i][bDst] = ((p >> 20) & 0x3ff); - rgba[i][aDst] = ((p >> 30) ); - } - } - break; - case GL_UNSIGNED_INT_5_9_9_9_REV: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - float f[3]; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - rgb9e5_to_float3(p, f); - rgba[i][rDst] = clamp_float_to_uint(f[0]); - rgba[i][gDst] = clamp_float_to_uint(f[1]); - rgba[i][bDst] = clamp_float_to_uint(f[2]); - rgba[i][aDst] = 1; - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - float f[3]; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - rgb9e5_to_float3(p, f); - rgba[i][rDst] = clamp_float_to_uint(f[0]); - rgba[i][gDst] = clamp_float_to_uint(f[1]); - rgba[i][bDst] = clamp_float_to_uint(f[2]); - rgba[i][aDst] = 1; - } - } - break; - case GL_UNSIGNED_INT_10F_11F_11F_REV: - if (swapBytes) { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - float f[3]; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - SWAP4BYTE(p); - r11g11b10f_to_float3(p, f); - rgba[i][rDst] = clamp_float_to_uint(f[0]); - rgba[i][gDst] = clamp_float_to_uint(f[1]); - rgba[i][bDst] = clamp_float_to_uint(f[2]); - rgba[i][aDst] = 1; - } - } - else { - const GLuint *uisrc = (const GLuint *) src; - GLuint i; - float f[3]; - for (i = 0; i < n; i ++) { - GLuint p = uisrc[i]; - r11g11b10f_to_float3(p, f); - rgba[i][rDst] = clamp_float_to_uint(f[0]); - rgba[i][gDst] = clamp_float_to_uint(f[1]); - rgba[i][bDst] = clamp_float_to_uint(f[2]); - rgba[i][aDst] = 1; - } - } - break; - default: - _mesa_problem(NULL, "bad srcType in extract uint data"); - break; - } -#undef PROCESS -} - - - -/* - * Unpack a row of color image data from a client buffer according to - * the pixel unpacking parameters. - * Return GLubyte values in the specified dest image format. - * This is used by glDrawPixels and glTexImage?D(). - * \param ctx - the context - * n - number of pixels in the span - * dstFormat - format of destination color array - * dest - the destination color array - * srcFormat - source image format - * srcType - source image data type - * source - source image pointer - * srcPacking - pixel unpacking parameters - * transferOps - bitmask of IMAGE_*_BIT values of operations to apply - * - * XXX perhaps expand this to process whole images someday. - */ -void -_mesa_unpack_color_span_ubyte(struct gl_context *ctx, - GLuint n, GLenum dstFormat, GLubyte dest[], - GLenum srcFormat, GLenum srcType, - const GLvoid *source, - const struct gl_pixelstore_attrib *srcPacking, - GLbitfield transferOps ) -{ - GLboolean intFormat = _mesa_is_enum_format_integer(srcFormat); - ASSERT(dstFormat == GL_ALPHA || - dstFormat == GL_LUMINANCE || - dstFormat == GL_LUMINANCE_ALPHA || - dstFormat == GL_INTENSITY || - dstFormat == GL_RED || - dstFormat == GL_RG || - dstFormat == GL_RGB || - dstFormat == GL_RGBA); - - ASSERT(srcFormat == GL_RED || - srcFormat == GL_GREEN || - srcFormat == GL_BLUE || - srcFormat == GL_ALPHA || - srcFormat == GL_LUMINANCE || - srcFormat == GL_LUMINANCE_ALPHA || - srcFormat == GL_INTENSITY || - srcFormat == GL_RG || - srcFormat == GL_RGB || - srcFormat == GL_BGR || - srcFormat == GL_RGBA || - srcFormat == GL_BGRA || - srcFormat == GL_ABGR_EXT || - srcFormat == GL_COLOR_INDEX); - - ASSERT(srcType == GL_BITMAP || - srcType == GL_UNSIGNED_BYTE || - srcType == GL_BYTE || - srcType == GL_UNSIGNED_SHORT || - srcType == GL_SHORT || - srcType == GL_UNSIGNED_INT || - srcType == GL_INT || - srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT || - srcType == GL_UNSIGNED_BYTE_3_3_2 || - srcType == GL_UNSIGNED_BYTE_2_3_3_REV || - srcType == GL_UNSIGNED_SHORT_5_6_5 || - srcType == GL_UNSIGNED_SHORT_5_6_5_REV || - srcType == GL_UNSIGNED_SHORT_4_4_4_4 || - srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || - srcType == GL_UNSIGNED_SHORT_5_5_5_1 || - srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || - srcType == GL_UNSIGNED_INT_8_8_8_8 || - srcType == GL_UNSIGNED_INT_8_8_8_8_REV || - srcType == GL_UNSIGNED_INT_10_10_10_2 || - srcType == GL_UNSIGNED_INT_2_10_10_10_REV || - srcType == GL_UNSIGNED_INT_5_9_9_9_REV || - srcType == GL_UNSIGNED_INT_10F_11F_11F_REV); - - /* EXT_texture_integer specifies no transfer ops on integer - * types in the resolved issues section. Just set them to 0 - * for integer surfaces. - */ - if (intFormat) - transferOps = 0; - - /* Try simple cases first */ - if (transferOps == 0) { - if (srcType == GL_UNSIGNED_BYTE) { - if (dstFormat == GL_RGBA) { - if (srcFormat == GL_RGBA) { - memcpy( dest, source, n * 4 * sizeof(GLubyte) ); - return; - } - else if (srcFormat == GL_RGB) { - GLuint i; - const GLubyte *src = (const GLubyte *) source; - GLubyte *dst = dest; - for (i = 0; i < n; i++) { - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = src[2]; - dst[3] = 255; - src += 3; - dst += 4; - } - return; - } - } - else if (dstFormat == GL_RGB) { - if (srcFormat == GL_RGB) { - memcpy( dest, source, n * 3 * sizeof(GLubyte) ); - return; - } - else if (srcFormat == GL_RGBA) { - GLuint i; - const GLubyte *src = (const GLubyte *) source; - GLubyte *dst = dest; - for (i = 0; i < n; i++) { - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = src[2]; - src += 4; - dst += 3; - } - return; - } - } - else if (dstFormat == srcFormat) { - GLint comps = _mesa_components_in_format(srcFormat); - assert(comps > 0); - memcpy( dest, source, n * comps * sizeof(GLubyte) ); - return; - } - } - } - - - /* general solution begins here */ - { - GLint dstComponents; - GLint rDst, gDst, bDst, aDst, lDst, iDst; - GLfloat (*rgba)[4] = malloc(4 * n * sizeof(GLfloat)); - - if (!rgba) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); - return; - } - - dstComponents = _mesa_components_in_format( dstFormat ); - /* source & dest image formats should have been error checked by now */ - assert(dstComponents > 0); - - /* - * Extract image data and convert to RGBA floats - */ - if (srcFormat == GL_COLOR_INDEX) { - GLuint *indexes = malloc(n * sizeof(GLuint)); - - if (!indexes) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); - free(rgba); - return; - } - - extract_uint_indexes(n, indexes, srcFormat, srcType, source, - srcPacking); - - /* Convert indexes to RGBA */ - if (transferOps & IMAGE_SHIFT_OFFSET_BIT) { - _mesa_shift_and_offset_ci(ctx, n, indexes); - } - _mesa_map_ci_to_rgba(ctx, n, indexes, rgba); - - /* Don't do RGBA scale/bias or RGBA->RGBA mapping if starting - * with color indexes. - */ - transferOps &= ~(IMAGE_SCALE_BIAS_BIT | IMAGE_MAP_COLOR_BIT); - - free(indexes); - } - else { - /* non-color index data */ - extract_float_rgba(n, rgba, srcFormat, srcType, source, - srcPacking->SwapBytes); - } - - /* Need to clamp if returning GLubytes */ - transferOps |= IMAGE_CLAMP_BIT; - - if (transferOps) { - _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgba); - } - - get_component_indexes(dstFormat, - &rDst, &gDst, &bDst, &aDst, &lDst, &iDst); - - /* Now return the GLubyte data in the requested dstFormat */ - if (rDst >= 0) { - GLubyte *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - CLAMPED_FLOAT_TO_UBYTE(dst[rDst], rgba[i][RCOMP]); - dst += dstComponents; - } - } - - if (gDst >= 0) { - GLubyte *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - CLAMPED_FLOAT_TO_UBYTE(dst[gDst], rgba[i][GCOMP]); - dst += dstComponents; - } - } - - if (bDst >= 0) { - GLubyte *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - CLAMPED_FLOAT_TO_UBYTE(dst[bDst], rgba[i][BCOMP]); - dst += dstComponents; - } - } - - if (aDst >= 0) { - GLubyte *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - CLAMPED_FLOAT_TO_UBYTE(dst[aDst], rgba[i][ACOMP]); - dst += dstComponents; - } - } - - if (iDst >= 0) { - GLubyte *dst = dest; - GLuint i; - assert(iDst == 0); - assert(dstComponents == 1); - for (i = 0; i < n; i++) { - /* Intensity comes from red channel */ - CLAMPED_FLOAT_TO_UBYTE(dst[i], rgba[i][RCOMP]); - } - } - - if (lDst >= 0) { - GLubyte *dst = dest; - GLuint i; - assert(lDst == 0); - for (i = 0; i < n; i++) { - /* Luminance comes from red channel */ - CLAMPED_FLOAT_TO_UBYTE(dst[0], rgba[i][RCOMP]); - dst += dstComponents; - } - } - - free(rgba); - } -} - - -/** - * Same as _mesa_unpack_color_span_ubyte(), but return GLfloat data - * instead of GLubyte. - */ -void -_mesa_unpack_color_span_float( struct gl_context *ctx, - GLuint n, GLenum dstFormat, GLfloat dest[], - GLenum srcFormat, GLenum srcType, - const GLvoid *source, - const struct gl_pixelstore_attrib *srcPacking, - GLbitfield transferOps ) -{ - ASSERT(dstFormat == GL_ALPHA || - dstFormat == GL_LUMINANCE || - dstFormat == GL_LUMINANCE_ALPHA || - dstFormat == GL_INTENSITY || - dstFormat == GL_RED || - dstFormat == GL_RG || - dstFormat == GL_RGB || - dstFormat == GL_RGBA); - - ASSERT(srcFormat == GL_RED || - srcFormat == GL_GREEN || - srcFormat == GL_BLUE || - srcFormat == GL_ALPHA || - srcFormat == GL_LUMINANCE || - srcFormat == GL_LUMINANCE_ALPHA || - srcFormat == GL_INTENSITY || - srcFormat == GL_RG || - srcFormat == GL_RGB || - srcFormat == GL_BGR || - srcFormat == GL_RGBA || - srcFormat == GL_BGRA || - srcFormat == GL_ABGR_EXT || - srcFormat == GL_RED_INTEGER_EXT || - srcFormat == GL_GREEN_INTEGER_EXT || - srcFormat == GL_BLUE_INTEGER_EXT || - srcFormat == GL_ALPHA_INTEGER_EXT || - srcFormat == GL_RG_INTEGER || - srcFormat == GL_RGB_INTEGER_EXT || - srcFormat == GL_RGBA_INTEGER_EXT || - srcFormat == GL_BGR_INTEGER_EXT || - srcFormat == GL_BGRA_INTEGER_EXT || - srcFormat == GL_LUMINANCE_INTEGER_EXT || - srcFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT || - srcFormat == GL_COLOR_INDEX); - - ASSERT(srcType == GL_BITMAP || - srcType == GL_UNSIGNED_BYTE || - srcType == GL_BYTE || - srcType == GL_UNSIGNED_SHORT || - srcType == GL_SHORT || - srcType == GL_UNSIGNED_INT || - srcType == GL_INT || - srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT || - srcType == GL_UNSIGNED_BYTE_3_3_2 || - srcType == GL_UNSIGNED_BYTE_2_3_3_REV || - srcType == GL_UNSIGNED_SHORT_5_6_5 || - srcType == GL_UNSIGNED_SHORT_5_6_5_REV || - srcType == GL_UNSIGNED_SHORT_4_4_4_4 || - srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || - srcType == GL_UNSIGNED_SHORT_5_5_5_1 || - srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || - srcType == GL_UNSIGNED_INT_8_8_8_8 || - srcType == GL_UNSIGNED_INT_8_8_8_8_REV || - srcType == GL_UNSIGNED_INT_10_10_10_2 || - srcType == GL_UNSIGNED_INT_2_10_10_10_REV || - srcType == GL_UNSIGNED_INT_5_9_9_9_REV || - srcType == GL_UNSIGNED_INT_10F_11F_11F_REV); - - /* general solution, no special cases, yet */ - { - GLint dstComponents; - GLint rDst, gDst, bDst, aDst, lDst, iDst; - GLfloat (*rgba)[4] = malloc(4 * n * sizeof(GLfloat)); - GLboolean intFormat = _mesa_is_enum_format_integer(srcFormat); - - if (!rgba) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); - return; - } - - dstComponents = _mesa_components_in_format( dstFormat ); - /* source & dest image formats should have been error checked by now */ - assert(dstComponents > 0); - - /* EXT_texture_integer specifies no transfer ops on integer - * types in the resolved issues section. Just set them to 0 - * for integer surfaces. - */ - if (intFormat) - transferOps = 0; - - /* - * Extract image data and convert to RGBA floats - */ - if (srcFormat == GL_COLOR_INDEX) { - GLuint *indexes = malloc(n * sizeof(GLuint)); - - if (!indexes) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); - free(rgba); - return; - } - - extract_uint_indexes(n, indexes, srcFormat, srcType, source, - srcPacking); - - /* Convert indexes to RGBA */ - if (transferOps & IMAGE_SHIFT_OFFSET_BIT) { - _mesa_shift_and_offset_ci(ctx, n, indexes); - } - _mesa_map_ci_to_rgba(ctx, n, indexes, rgba); - - /* Don't do RGBA scale/bias or RGBA->RGBA mapping if starting - * with color indexes. - */ - transferOps &= ~(IMAGE_SCALE_BIAS_BIT | IMAGE_MAP_COLOR_BIT); - - free(indexes); - } - else { - /* non-color index data */ - extract_float_rgba(n, rgba, srcFormat, srcType, source, - srcPacking->SwapBytes); - } - - if (transferOps) { - _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgba); - } - - get_component_indexes(dstFormat, - &rDst, &gDst, &bDst, &aDst, &lDst, &iDst); - - /* Now pack results in the requested dstFormat */ - if (rDst >= 0) { - GLfloat *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[rDst] = rgba[i][RCOMP]; - dst += dstComponents; - } - } - - if (gDst >= 0) { - GLfloat *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[gDst] = rgba[i][GCOMP]; - dst += dstComponents; - } - } - - if (bDst >= 0) { - GLfloat *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[bDst] = rgba[i][BCOMP]; - dst += dstComponents; - } - } - - if (aDst >= 0) { - GLfloat *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[aDst] = rgba[i][ACOMP]; - dst += dstComponents; - } - } - - if (iDst >= 0) { - GLfloat *dst = dest; - GLuint i; - assert(iDst == 0); - assert(dstComponents == 1); - for (i = 0; i < n; i++) { - /* Intensity comes from red channel */ - dst[i] = rgba[i][RCOMP]; - } - } - - if (lDst >= 0) { - GLfloat *dst = dest; - GLuint i; - assert(lDst == 0); - for (i = 0; i < n; i++) { - /* Luminance comes from red channel */ - dst[0] = rgba[i][RCOMP]; - dst += dstComponents; - } - } - - free(rgba); - } -} - - -/** - * Same as _mesa_unpack_color_span_ubyte(), but return GLuint data - * instead of GLubyte. - * No pixel transfer ops are applied. - */ -void -_mesa_unpack_color_span_uint(struct gl_context *ctx, - GLuint n, GLenum dstFormat, GLuint *dest, - GLenum srcFormat, GLenum srcType, - const GLvoid *source, - const struct gl_pixelstore_attrib *srcPacking) -{ - GLuint (*rgba)[4] = malloc(n * 4 * sizeof(GLfloat)); - - if (!rgba) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); - return; - } - - ASSERT(dstFormat == GL_ALPHA || - dstFormat == GL_LUMINANCE || - dstFormat == GL_LUMINANCE_ALPHA || - dstFormat == GL_INTENSITY || - dstFormat == GL_RED || - dstFormat == GL_RG || - dstFormat == GL_RGB || - dstFormat == GL_RGBA); - - ASSERT(srcFormat == GL_RED || - srcFormat == GL_GREEN || - srcFormat == GL_BLUE || - srcFormat == GL_ALPHA || - srcFormat == GL_LUMINANCE || - srcFormat == GL_LUMINANCE_ALPHA || - srcFormat == GL_INTENSITY || - srcFormat == GL_RG || - srcFormat == GL_RGB || - srcFormat == GL_BGR || - srcFormat == GL_RGBA || - srcFormat == GL_BGRA || - srcFormat == GL_ABGR_EXT || - srcFormat == GL_RED_INTEGER_EXT || - srcFormat == GL_GREEN_INTEGER_EXT || - srcFormat == GL_BLUE_INTEGER_EXT || - srcFormat == GL_ALPHA_INTEGER_EXT || - srcFormat == GL_RG_INTEGER || - srcFormat == GL_RGB_INTEGER_EXT || - srcFormat == GL_RGBA_INTEGER_EXT || - srcFormat == GL_BGR_INTEGER_EXT || - srcFormat == GL_BGRA_INTEGER_EXT || - srcFormat == GL_LUMINANCE_INTEGER_EXT || - srcFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT); - - ASSERT(srcType == GL_UNSIGNED_BYTE || - srcType == GL_BYTE || - srcType == GL_UNSIGNED_SHORT || - srcType == GL_SHORT || - srcType == GL_UNSIGNED_INT || - srcType == GL_INT || - srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT || - srcType == GL_UNSIGNED_BYTE_3_3_2 || - srcType == GL_UNSIGNED_BYTE_2_3_3_REV || - srcType == GL_UNSIGNED_SHORT_5_6_5 || - srcType == GL_UNSIGNED_SHORT_5_6_5_REV || - srcType == GL_UNSIGNED_SHORT_4_4_4_4 || - srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || - srcType == GL_UNSIGNED_SHORT_5_5_5_1 || - srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || - srcType == GL_UNSIGNED_INT_8_8_8_8 || - srcType == GL_UNSIGNED_INT_8_8_8_8_REV || - srcType == GL_UNSIGNED_INT_10_10_10_2 || - srcType == GL_UNSIGNED_INT_2_10_10_10_REV || - srcType == GL_UNSIGNED_INT_5_9_9_9_REV || - srcType == GL_UNSIGNED_INT_10F_11F_11F_REV); - - - /* Extract image data as uint[4] pixels */ - extract_uint_rgba(n, rgba, srcFormat, srcType, source, - srcPacking->SwapBytes); - - if (dstFormat == GL_RGBA) { - /* simple case */ - memcpy(dest, rgba, 4 * sizeof(GLuint) * n); - } - else { - /* general case */ - GLint rDst, gDst, bDst, aDst, lDst, iDst; - GLint dstComponents = _mesa_components_in_format( dstFormat ); - - assert(dstComponents > 0); - - get_component_indexes(dstFormat, - &rDst, &gDst, &bDst, &aDst, &lDst, &iDst); - - /* Now pack values in the requested dest format */ - if (rDst >= 0) { - GLuint *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[rDst] = rgba[i][RCOMP]; - dst += dstComponents; - } - } - - if (gDst >= 0) { - GLuint *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[gDst] = rgba[i][GCOMP]; - dst += dstComponents; - } - } - - if (bDst >= 0) { - GLuint *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[bDst] = rgba[i][BCOMP]; - dst += dstComponents; - } - } - - if (aDst >= 0) { - GLuint *dst = dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[aDst] = rgba[i][ACOMP]; - dst += dstComponents; - } - } - - if (iDst >= 0) { - GLuint *dst = dest; - GLuint i; - assert(iDst == 0); - assert(dstComponents == 1); - for (i = 0; i < n; i++) { - /* Intensity comes from red channel */ - dst[i] = rgba[i][RCOMP]; - } - } - - if (lDst >= 0) { - GLuint *dst = dest; - GLuint i; - assert(lDst == 0); - for (i = 0; i < n; i++) { - /* Luminance comes from red channel */ - dst[0] = rgba[i][RCOMP]; - dst += dstComponents; - } - } - } - - free(rgba); -} - - -/* - * Unpack a row of color index data from a client buffer according to - * the pixel unpacking parameters. - * This is (or will be) used by glDrawPixels, glTexImage[123]D, etc. - * - * Args: ctx - the context - * n - number of pixels - * dstType - destination data type - * dest - destination array - * srcType - source pixel type - * source - source data pointer - * srcPacking - pixel unpacking parameters - * transferOps - the pixel transfer operations to apply - */ -void -_mesa_unpack_index_span( struct gl_context *ctx, GLuint n, - GLenum dstType, GLvoid *dest, - GLenum srcType, const GLvoid *source, - const struct gl_pixelstore_attrib *srcPacking, - GLbitfield transferOps ) -{ - ASSERT(srcType == GL_BITMAP || - srcType == GL_UNSIGNED_BYTE || - srcType == GL_BYTE || - srcType == GL_UNSIGNED_SHORT || - srcType == GL_SHORT || - srcType == GL_UNSIGNED_INT || - srcType == GL_INT || - srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT); - - ASSERT(dstType == GL_UNSIGNED_BYTE || - dstType == GL_UNSIGNED_SHORT || - dstType == GL_UNSIGNED_INT); - - - transferOps &= (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT); - - /* - * Try simple cases first - */ - if (transferOps == 0 && srcType == GL_UNSIGNED_BYTE - && dstType == GL_UNSIGNED_BYTE) { - memcpy(dest, source, n * sizeof(GLubyte)); - } - else if (transferOps == 0 && srcType == GL_UNSIGNED_INT - && dstType == GL_UNSIGNED_INT && !srcPacking->SwapBytes) { - memcpy(dest, source, n * sizeof(GLuint)); - } - else { - /* - * general solution - */ - GLuint *indexes = malloc(n * sizeof(GLuint)); - - if (!indexes) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); - return; - } - - extract_uint_indexes(n, indexes, GL_COLOR_INDEX, srcType, source, - srcPacking); - - if (transferOps) - _mesa_apply_ci_transfer_ops(ctx, transferOps, n, indexes); - - /* convert to dest type */ - switch (dstType) { - case GL_UNSIGNED_BYTE: - { - GLubyte *dst = (GLubyte *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLubyte) (indexes[i] & 0xff); - } - } - break; - case GL_UNSIGNED_SHORT: - { - GLuint *dst = (GLuint *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLushort) (indexes[i] & 0xffff); - } - } - break; - case GL_UNSIGNED_INT: - memcpy(dest, indexes, n * sizeof(GLuint)); - break; - default: - _mesa_problem(ctx, "bad dstType in _mesa_unpack_index_span"); - } - - free(indexes); - } -} - - -void -_mesa_pack_index_span( struct gl_context *ctx, GLuint n, - GLenum dstType, GLvoid *dest, const GLuint *source, - const struct gl_pixelstore_attrib *dstPacking, - GLbitfield transferOps ) -{ - GLuint *indexes = malloc(n * sizeof(GLuint)); - - if (!indexes) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing"); - return; - } - - transferOps &= (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT); - - if (transferOps & (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT)) { - /* make a copy of input */ - memcpy(indexes, source, n * sizeof(GLuint)); - _mesa_apply_ci_transfer_ops(ctx, transferOps, n, indexes); - source = indexes; - } - - switch (dstType) { - case GL_UNSIGNED_BYTE: - { - GLubyte *dst = (GLubyte *) dest; - GLuint i; - for (i = 0; i < n; i++) { - *dst++ = (GLubyte) source[i]; - } - } - break; - case GL_BYTE: - { - GLbyte *dst = (GLbyte *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLbyte) source[i]; - } - } - break; - case GL_UNSIGNED_SHORT: - { - GLushort *dst = (GLushort *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLushort) source[i]; - } - if (dstPacking->SwapBytes) { - _mesa_swap2( (GLushort *) dst, n ); - } - } - break; - case GL_SHORT: - { - GLshort *dst = (GLshort *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLshort) source[i]; - } - if (dstPacking->SwapBytes) { - _mesa_swap2( (GLushort *) dst, n ); - } - } - break; - case GL_UNSIGNED_INT: - { - GLuint *dst = (GLuint *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLuint) source[i]; - } - if (dstPacking->SwapBytes) { - _mesa_swap4( (GLuint *) dst, n ); - } - } - break; - case GL_INT: - { - GLint *dst = (GLint *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLint) source[i]; - } - if (dstPacking->SwapBytes) { - _mesa_swap4( (GLuint *) dst, n ); - } - } - break; - case GL_FLOAT: - { - GLfloat *dst = (GLfloat *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = (GLfloat) source[i]; - } - if (dstPacking->SwapBytes) { - _mesa_swap4( (GLuint *) dst, n ); - } - } - break; - case GL_HALF_FLOAT_ARB: - { - GLhalfARB *dst = (GLhalfARB *) dest; - GLuint i; - for (i = 0; i < n; i++) { - dst[i] = _mesa_float_to_half((GLfloat) source[i]); - } - if (dstPacking->SwapBytes) { - _mesa_swap2( (GLushort *) dst, n ); - } - } - break; - default: - _mesa_problem(ctx, "bad type in _mesa_pack_index_span"); - } - - free(indexes); -} - - /* * Unpack a row of stencil data from a client buffer according to * the pixel unpacking parameters. @@ -5023,6 +512,7 @@ _mesa_unpack_stencil_span( struct gl_context *ctx, GLuint n, srcType == GL_INT || srcType == GL_UNSIGNED_INT_24_8_EXT || srcType == GL_HALF_FLOAT_ARB || + srcType == GL_HALF_FLOAT_OES || srcType == GL_FLOAT || srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV); @@ -5213,6 +703,7 @@ _mesa_pack_stencil_span( struct gl_context *ctx, GLuint n, } break; case GL_HALF_FLOAT_ARB: + case GL_HALF_FLOAT_OES: { GLhalfARB *dst = (GLhalfARB *) dest; GLuint i; @@ -5430,6 +921,7 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n, needClamp = GL_TRUE; break; case GL_HALF_FLOAT_ARB: + case GL_HALF_FLOAT_OES: { GLuint i; const GLhalfARB *src = (const GLhalfARB *) source; @@ -5619,6 +1111,7 @@ _mesa_pack_depth_span( struct gl_context *ctx, GLuint n, GLvoid *dest, } break; case GL_HALF_FLOAT_ARB: + case GL_HALF_FLOAT_OES: { GLhalfARB *dst = (GLhalfARB *) dest; GLuint i; @@ -5699,7 +1192,6 @@ _mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n, - /** * Unpack image data. Apply byte swapping, byte flipping (bitmap). * Return all image data in a contiguous block. This is used when we @@ -5839,130 +1331,303 @@ _mesa_unpack_image( GLuint dimensions, } } - - -/** - * If we unpack colors from a luminance surface, we'll get pixel colors - * such as (l, l, l, a). - * When we call _mesa_pack_rgba_span_float(format=GL_LUMINANCE), that - * function will compute L=R+G+B before packing. The net effect is we'll - * accidentally store luminance values = 3*l. - * This function compensates for that by converting (aka rebasing) (l,l,l,a) - * to be (l,0,0,a). - * It's a similar story for other formats such as LUMINANCE_ALPHA, ALPHA - * and INTENSITY. - * - * Finally, we also need to do this when the actual surface format does - * not match the logical surface format. For example, suppose the user - * requests a GL_LUMINANCE texture but the driver stores it as RGBA. - * Again, we'll get pixel values like (l,l,l,a). - */ void -_mesa_rebase_rgba_float(GLuint n, GLfloat rgba[][4], GLenum baseFormat) +_mesa_pack_luminance_from_rgba_float(GLuint n, GLfloat rgba[][4], + GLvoid *dstAddr, GLenum dst_format, + GLbitfield transferOps) { - GLuint i; + int i; + GLfloat *dst = (GLfloat *) dstAddr; - switch (baseFormat) { - case GL_ALPHA: - for (i = 0; i < n; i++) { - rgba[i][RCOMP] = 0.0F; - rgba[i][GCOMP] = 0.0F; - rgba[i][BCOMP] = 0.0F; - } - break; - case GL_INTENSITY: - /* fall-through */ + switch (dst_format) { case GL_LUMINANCE: - for (i = 0; i < n; i++) { - rgba[i][GCOMP] = 0.0F; - rgba[i][BCOMP] = 0.0F; - rgba[i][ACOMP] = 1.0F; + if (transferOps & IMAGE_CLAMP_BIT) { + for (i = 0; i < n; i++) { + GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + dst[i] = CLAMP(sum, 0.0F, 1.0F); + } + } else { + for (i = 0; i < n; i++) { + dst[i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + } } - break; + return; case GL_LUMINANCE_ALPHA: - for (i = 0; i < n; i++) { - rgba[i][GCOMP] = 0.0F; - rgba[i][BCOMP] = 0.0F; - } - break; - case GL_RGB: - for (i = 0; i < n; i++) { - rgba[i][ACOMP] = 1.0F; - } - break; - case GL_RG: - for (i = 0; i < n; i++) { - rgba[i][BCOMP] = 0.0F; - rgba[i][ACOMP] = 1.0F; - } - break; - case GL_RED: - for (i = 0; i < n; i++) { - rgba[i][GCOMP] = 0.0F; - rgba[i][BCOMP] = 0.0F; - rgba[i][ACOMP] = 1.0F; + if (transferOps & IMAGE_CLAMP_BIT) { + for (i = 0; i < n; i++) { + GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + dst[2*i] = CLAMP(sum, 0.0F, 1.0F); + dst[2*i+1] = rgba[i][ACOMP]; + } + } else { + for (i = 0; i < n; i++) { + dst[2*i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + dst[2*i+1] = rgba[i][ACOMP]; + } } - break; - + return; default: - /* no-op */ - ; + assert(!"Unsupported format"); } } +static int32_t +clamp_sint64_to_sint32(int64_t src) +{ + return CLAMP(src, INT32_MIN, INT32_MAX); +} + +static int32_t +clamp_sint64_to_uint32(int64_t src) +{ + return CLAMP(src, 0, UINT32_MAX); +} + +static int32_t +clamp_uint64_to_uint32(uint64_t src) +{ + return MIN2(src, UINT32_MAX); +} + +static int32_t +clamp_uint64_to_sint32(uint64_t src) +{ + return MIN2(src, INT32_MAX); +} + +static int32_t +convert_integer_luminance64(int64_t src64, int bits, + bool dst_is_signed, bool src_is_signed) +{ + int32_t src32; + + /* Clamp Luminance value from 64-bit to 32-bit. Consider if we need + * any signed<->unsigned conversion too. + */ + if (src_is_signed && dst_is_signed) + src32 = clamp_sint64_to_sint32(src64); + else if (src_is_signed && !dst_is_signed) + src32 = clamp_sint64_to_uint32(src64); + else if (!src_is_signed && dst_is_signed) + src32 = clamp_uint64_to_sint32(src64); + else + src32 = clamp_uint64_to_uint32(src64); + + /* If the dst type is < 32-bit, we need an extra clamp */ + if (bits == 32) { + return src32; + } else { + if (dst_is_signed) + return _mesa_signed_to_signed(src32, bits); + else + return _mesa_unsigned_to_unsigned(src32, bits); + } +} + +static int32_t +convert_integer(int32_t src, int bits, bool dst_is_signed, bool src_is_signed) +{ + if (src_is_signed && dst_is_signed) + return _mesa_signed_to_signed(src, bits); + else if (src_is_signed && !dst_is_signed) + return _mesa_signed_to_unsigned(src, bits); + else if (!src_is_signed && dst_is_signed) + return _mesa_unsigned_to_signed(src, bits); + else + return _mesa_unsigned_to_unsigned(src, bits); +} -/** - * As above, but GLuint components. - */ void -_mesa_rebase_rgba_uint(GLuint n, GLuint rgba[][4], GLenum baseFormat) +_mesa_pack_luminance_from_rgba_integer(GLuint n, + GLuint rgba[][4], bool rgba_is_signed, + GLvoid *dstAddr, + GLenum dst_format, + GLenum dst_type) { - GLuint i; + int i; + int64_t lum64; + int32_t lum32, alpha; + bool dst_is_signed; + int dst_bits; + + assert(dst_format == GL_LUMINANCE_INTEGER_EXT || + dst_format == GL_LUMINANCE_ALPHA_INTEGER_EXT); + + /* We first compute luminance values as a 64-bit addition of the + * 32-bit R,G,B components, then we clamp the result to the dst type size. + * + * Notice that this operation involves casting the 32-bit R,G,B components + * to 64-bit before the addition. Since rgba is defined as a GLuint array + * we need to be careful when rgba packs signed data and make sure + * that we cast to a 32-bit signed integer values before casting them to + * 64-bit signed integers. + */ + dst_is_signed = (dst_type == GL_BYTE || dst_type == GL_SHORT || + dst_type == GL_INT); - switch (baseFormat) { - case GL_ALPHA: - for (i = 0; i < n; i++) { - rgba[i][RCOMP] = 0; - rgba[i][GCOMP] = 0; - rgba[i][BCOMP] = 0; - } - break; - case GL_INTENSITY: - /* fall-through */ - case GL_LUMINANCE: - for (i = 0; i < n; i++) { - rgba[i][GCOMP] = 0; - rgba[i][BCOMP] = 0; - rgba[i][ACOMP] = 1; - } - break; - case GL_LUMINANCE_ALPHA: - for (i = 0; i < n; i++) { - rgba[i][GCOMP] = 0; - rgba[i][BCOMP] = 0; - } - break; - case GL_RGB: - for (i = 0; i < n; i++) { - rgba[i][ACOMP] = 1; - } - break; - case GL_RG: + dst_bits = _mesa_sizeof_type(dst_type) * 8; + assert(dst_bits > 0); + + switch (dst_format) { + case GL_LUMINANCE_INTEGER_EXT: for (i = 0; i < n; i++) { - rgba[i][BCOMP] = 0; - rgba[i][ACOMP] = 1; + if (!rgba_is_signed) { + lum64 = (uint64_t) rgba[i][RCOMP] + + (uint64_t) rgba[i][GCOMP] + + (uint64_t) rgba[i][BCOMP]; + } else { + lum64 = (int64_t) ((int32_t) rgba[i][RCOMP]) + + (int64_t) ((int32_t) rgba[i][GCOMP]) + + (int64_t) ((int32_t) rgba[i][BCOMP]); + } + lum32 = convert_integer_luminance64(lum64, dst_bits, + dst_is_signed, rgba_is_signed); + switch (dst_type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: { + GLbyte *dst = (GLbyte *) dstAddr; + dst[i] = lum32; + } + break; + case GL_SHORT: + case GL_UNSIGNED_SHORT: { + GLshort *dst = (GLshort *) dstAddr; + dst[i] = lum32; + } + break; + case GL_INT: + case GL_UNSIGNED_INT: { + GLint *dst = (GLint *) dstAddr; + dst[i] = lum32; + } + break; + } } - break; - case GL_RED: + return; + case GL_LUMINANCE_ALPHA_INTEGER_EXT: for (i = 0; i < n; i++) { - rgba[i][GCOMP] = 0; - rgba[i][BCOMP] = 0; - rgba[i][ACOMP] = 1; + if (!rgba_is_signed) { + lum64 = (uint64_t) rgba[i][RCOMP] + + (uint64_t) rgba[i][GCOMP] + + (uint64_t) rgba[i][BCOMP]; + } else { + lum64 = (int64_t) ((int32_t) rgba[i][RCOMP]) + + (int64_t) ((int32_t) rgba[i][GCOMP]) + + (int64_t) ((int32_t) rgba[i][BCOMP]); + } + lum32 = convert_integer_luminance64(lum64, dst_bits, + dst_is_signed, rgba_is_signed); + alpha = convert_integer(rgba[i][ACOMP], dst_bits, + dst_is_signed, rgba_is_signed); + switch (dst_type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: { + GLbyte *dst = (GLbyte *) dstAddr; + dst[2*i] = lum32; + dst[2*i+1] = alpha; + } + case GL_SHORT: + case GL_UNSIGNED_SHORT: { + GLshort *dst = (GLshort *) dstAddr; + dst[i] = lum32; + dst[2*i+1] = alpha; + } + break; + case GL_INT: + case GL_UNSIGNED_INT: { + GLint *dst = (GLint *) dstAddr; + dst[i] = lum32; + dst[2*i+1] = alpha; + } + break; + } } - default: - /* no-op */ - ; + return; + } +} + +GLfloat * +_mesa_unpack_color_index_to_rgba_float(struct gl_context *ctx, GLuint dims, + const void *src, GLenum srcFormat, GLenum srcType, + int srcWidth, int srcHeight, int srcDepth, + const struct gl_pixelstore_attrib *srcPacking, + GLbitfield transferOps) +{ + int count, img; + GLuint *indexes; + GLfloat *rgba, *dstPtr; + + count = srcWidth * srcHeight; + indexes = malloc(count * sizeof(GLuint)); + if (!indexes) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); + return NULL; + } + + rgba = malloc(4 * count * srcDepth * sizeof(GLfloat)); + if (!rgba) { + free(indexes); + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); + return NULL; } + + /* Convert indexes to RGBA float */ + dstPtr = rgba; + for (img = 0; img < srcDepth; img++) { + const GLubyte *srcPtr = + (const GLubyte *) _mesa_image_address(dims, srcPacking, src, + srcWidth, srcHeight, + srcFormat, srcType, + img, 0, 0); + + extract_uint_indexes(count, indexes, srcFormat, srcType, srcPtr, srcPacking); + + if (transferOps & IMAGE_SHIFT_OFFSET_BIT) + _mesa_shift_and_offset_ci(ctx, count, indexes); + + _mesa_map_ci_to_rgba(ctx, count, indexes, (float (*)[4])dstPtr); + + /* Don't do RGBA scale/bias or RGBA->RGBA mapping if starting + * with color indexes. + */ + transferOps &= ~(IMAGE_SCALE_BIAS_BIT | IMAGE_MAP_COLOR_BIT); + _mesa_apply_rgba_transfer_ops(ctx, transferOps, count, (float (*)[4])dstPtr); + + dstPtr += srcHeight * srcWidth * 4; + } + + free(indexes); + + return rgba; } +GLubyte * +_mesa_unpack_color_index_to_rgba_ubyte(struct gl_context *ctx, GLuint dims, + const void *src, GLenum srcFormat, GLenum srcType, + int srcWidth, int srcHeight, int srcDepth, + const struct gl_pixelstore_attrib *srcPacking, + GLbitfield transferOps) +{ + GLfloat *rgba; + GLubyte *dst; + int count, i; + + transferOps |= IMAGE_CLAMP_BIT; + rgba = _mesa_unpack_color_index_to_rgba_float(ctx, dims, + src, srcFormat, srcType, + srcWidth, srcHeight, srcDepth, + srcPacking, transferOps); + + count = srcWidth * srcHeight * srcDepth; + dst = malloc(count * 4 * sizeof(GLubyte)); + for (i = 0; i < count; i++) { + CLAMPED_FLOAT_TO_UBYTE(dst[i * 4 + 0], rgba[i * 4 + 0]); + CLAMPED_FLOAT_TO_UBYTE(dst[i * 4 + 1], rgba[i * 4 + 1]); + CLAMPED_FLOAT_TO_UBYTE(dst[i * 4 + 2], rgba[i * 4 + 2]); + CLAMPED_FLOAT_TO_UBYTE(dst[i * 4 + 3], rgba[i * 4 + 3]); + } + + free(rgba); + return dst; +} |