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Diffstat (limited to 'mesalib/src/mesa/main/image.c')
-rw-r--r--mesalib/src/mesa/main/image.c512
1 files changed, 381 insertions, 131 deletions
diff --git a/mesalib/src/mesa/main/image.c b/mesalib/src/mesa/main/image.c
index dc8d97728..86aa6d0d7 100644
--- a/mesalib/src/mesa/main/image.c
+++ b/mesalib/src/mesa/main/image.c
@@ -32,7 +32,6 @@
#include "glheader.h"
#include "colormac.h"
-#include "context.h"
#include "enums.h"
#include "image.h"
#include "imports.h"
@@ -274,17 +273,25 @@ _mesa_components_in_format( GLenum format )
case GL_STENCIL_INDEX:
case GL_DEPTH_COMPONENT:
case GL_RED:
+ case GL_RED_INTEGER_EXT:
case GL_GREEN:
+ case GL_GREEN_INTEGER_EXT:
case GL_BLUE:
+ case GL_BLUE_INTEGER_EXT:
case GL_ALPHA:
+ case GL_ALPHA_INTEGER_EXT:
case GL_LUMINANCE:
+ case GL_LUMINANCE_INTEGER_EXT:
case GL_INTENSITY:
return 1;
case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
return 2;
case GL_RGB:
+ case GL_RGB_INTEGER_EXT:
return 3;
case GL_RGBA:
+ case GL_RGBA_INTEGER_EXT:
return 4;
case GL_BGR:
return 3;
@@ -523,6 +530,28 @@ _mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type )
default:
return GL_FALSE;
}
+ case GL_RED_INTEGER_EXT:
+ case GL_GREEN_INTEGER_EXT:
+ case GL_BLUE_INTEGER_EXT:
+ case GL_ALPHA_INTEGER_EXT:
+ case GL_RGB_INTEGER_EXT:
+ case GL_RGBA_INTEGER_EXT:
+ case GL_BGR_INTEGER_EXT:
+ case GL_BGRA_INTEGER_EXT:
+ case GL_LUMINANCE_INTEGER_EXT:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ return ctx->Extensions.EXT_texture_integer;
+ default:
+ return GL_FALSE;
+ }
+
default:
; /* fall-through */
}
@@ -734,6 +763,32 @@ _mesa_is_depthstencil_format(GLenum format)
}
}
+
+/**
+ * Test if the given image format is a depth or stencil format.
+ */
+GLboolean
+_mesa_is_depth_or_stencil_format(GLenum format)
+{
+ switch (format) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ case GL_STENCIL_INDEX:
+ case GL_STENCIL_INDEX1_EXT:
+ case GL_STENCIL_INDEX4_EXT:
+ case GL_STENCIL_INDEX8_EXT:
+ case GL_STENCIL_INDEX16_EXT:
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
/**
* Test if the given image format is a dudv format.
*/
@@ -751,6 +806,64 @@ _mesa_is_dudv_format(GLenum format)
/**
+ * Test if the given format is an integer (non-normalized) format.
+ */
+GLboolean
+_mesa_is_integer_format(GLenum format)
+{
+ switch (format) {
+ case GL_RED_INTEGER_EXT:
+ case GL_GREEN_INTEGER_EXT:
+ case GL_BLUE_INTEGER_EXT:
+ case GL_ALPHA_INTEGER_EXT:
+ case GL_RGB_INTEGER_EXT:
+ case GL_RGBA_INTEGER_EXT:
+ case GL_BGR_INTEGER_EXT:
+ case GL_BGRA_INTEGER_EXT:
+ case GL_LUMINANCE_INTEGER_EXT:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if an image format is a supported compressed format.
+ * \param format the internal format token provided by the user.
+ * \return GL_TRUE if compressed, GL_FALSE if uncompressed
+ */
+GLboolean
+_mesa_is_compressed_format(GLcontext *ctx, GLenum format)
+{
+ switch (format) {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ return ctx->Extensions.EXT_texture_compression_s3tc;
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ return ctx->Extensions.S3_s3tc;
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ return ctx->Extensions.EXT_texture_sRGB
+ && ctx->Extensions.EXT_texture_compression_s3tc;
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ return ctx->Extensions.TDFX_texture_compression_FXT1;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
* Return the address of a specific pixel in an image (1D, 2D or 3D).
*
* Pixel unpacking/packing parameters are observed according to \p packing.
@@ -3215,6 +3328,8 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLint redIndex, greenIndex, blueIndex, alphaIndex;
GLint stride;
GLint rComp, bComp, gComp, aComp;
+ GLboolean intFormat;
+ GLfloat rs = 1.0f, gs = 1.0f, bs = 1.0f, as = 1.0f; /* scale factors */
ASSERT(srcFormat == GL_RED ||
srcFormat == GL_GREEN ||
@@ -3229,7 +3344,17 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
srcFormat == GL_BGRA ||
srcFormat == GL_ABGR_EXT ||
srcFormat == GL_DU8DV8_ATI ||
- srcFormat == GL_DUDV_ATI);
+ srcFormat == GL_DUDV_ATI ||
+ srcFormat == GL_RED_INTEGER_EXT ||
+ 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 ||
@@ -3256,31 +3381,37 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
switch (srcFormat) {
case GL_RED:
+ case GL_RED_INTEGER_EXT:
redIndex = 0;
greenIndex = blueIndex = alphaIndex = -1;
stride = 1;
break;
case GL_GREEN:
+ case GL_GREEN_INTEGER_EXT:
greenIndex = 0;
redIndex = blueIndex = alphaIndex = -1;
stride = 1;
break;
case GL_BLUE:
+ case GL_BLUE_INTEGER_EXT:
blueIndex = 0;
redIndex = greenIndex = alphaIndex = -1;
stride = 1;
break;
case GL_ALPHA:
+ case GL_ALPHA_INTEGER_EXT:
redIndex = greenIndex = blueIndex = -1;
alphaIndex = 0;
stride = 1;
break;
case GL_LUMINANCE:
+ case GL_LUMINANCE_INTEGER_EXT:
redIndex = greenIndex = blueIndex = 0;
alphaIndex = -1;
stride = 1;
break;
case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
redIndex = greenIndex = blueIndex = 0;
alphaIndex = 1;
stride = 2;
@@ -3290,6 +3421,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
stride = 1;
break;
case GL_RGB:
+ case GL_RGB_INTEGER:
redIndex = 0;
greenIndex = 1;
blueIndex = 2;
@@ -3312,6 +3444,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
stride = 3;
break;
case GL_RGBA:
+ case GL_RGBA_INTEGER:
redIndex = 0;
greenIndex = 1;
blueIndex = 2;
@@ -3358,12 +3491,20 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
return;
}
+ intFormat = _mesa_is_integer_format(srcFormat);
-#define PROCESS(INDEX, CHANNEL, DEFAULT, TYPE, CONVERSION) \
+#define PROCESS(INDEX, CHANNEL, DEFAULT, DEFAULT_INT, TYPE, CONVERSION) \
if ((INDEX) < 0) { \
GLuint i; \
- for (i = 0; i < n; i++) { \
- rgba[i][CHANNEL] = DEFAULT; \
+ if (intFormat) { \
+ for (i = 0; i < n; i++) { \
+ rgba[i][CHANNEL] = DEFAULT_INT; \
+ } \
+ } \
+ else { \
+ for (i = 0; i < n; i++) { \
+ rgba[i][CHANNEL] = DEFAULT; \
+ } \
} \
} \
else if (swapBytes) { \
@@ -3377,77 +3518,93 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
else if (sizeof(TYPE) == 4) { \
SWAP4BYTE(value); \
} \
- rgba[i][CHANNEL] = (GLfloat) CONVERSION(value); \
+ if (intFormat) \
+ rgba[i][CHANNEL] = (GLfloat) value; \
+ else \
+ rgba[i][CHANNEL] = (GLfloat) CONVERSION(value); \
s += stride; \
} \
} \
else { \
const TYPE *s = (const TYPE *) src; \
GLuint i; \
- for (i = 0; i < n; i++) { \
- rgba[i][CHANNEL] = (GLfloat) CONVERSION(s[INDEX]); \
- s += stride; \
+ if (intFormat) { \
+ for (i = 0; i < n; i++) { \
+ rgba[i][CHANNEL] = (GLfloat) s[INDEX]; \
+ s += stride; \
+ } \
+ } \
+ else { \
+ for (i = 0; i < n; i++) { \
+ rgba[i][CHANNEL] = (GLfloat) CONVERSION(s[INDEX]); \
+ s += stride; \
+ } \
} \
}
switch (srcType) {
case GL_UNSIGNED_BYTE:
- PROCESS(redIndex, RCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT);
- PROCESS(greenIndex, GCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT);
- PROCESS(blueIndex, BCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT);
- PROCESS(alphaIndex, ACOMP, 1.0F, GLubyte, UBYTE_TO_FLOAT);
+ PROCESS(redIndex, RCOMP, 0.0F, 0, GLubyte, UBYTE_TO_FLOAT);
+ PROCESS(greenIndex, GCOMP, 0.0F, 0, GLubyte, UBYTE_TO_FLOAT);
+ PROCESS(blueIndex, BCOMP, 0.0F, 0, GLubyte, UBYTE_TO_FLOAT);
+ PROCESS(alphaIndex, ACOMP, 1.0F, 255, GLubyte, UBYTE_TO_FLOAT);
break;
case GL_BYTE:
- PROCESS(redIndex, RCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT);
- PROCESS(greenIndex, GCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT);
- PROCESS(blueIndex, BCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT);
- PROCESS(alphaIndex, ACOMP, 1.0F, GLbyte, BYTE_TO_FLOAT);
+ PROCESS(redIndex, RCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT);
+ PROCESS(greenIndex, GCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT);
+ PROCESS(blueIndex, BCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT);
+ PROCESS(alphaIndex, ACOMP, 1.0F, 127, GLbyte, BYTE_TO_FLOAT);
break;
case GL_UNSIGNED_SHORT:
- PROCESS(redIndex, RCOMP, 0.0F, GLushort, USHORT_TO_FLOAT);
- PROCESS(greenIndex, GCOMP, 0.0F, GLushort, USHORT_TO_FLOAT);
- PROCESS(blueIndex, BCOMP, 0.0F, GLushort, USHORT_TO_FLOAT);
- PROCESS(alphaIndex, ACOMP, 1.0F, GLushort, USHORT_TO_FLOAT);
+ PROCESS(redIndex, RCOMP, 0.0F, 0, GLushort, USHORT_TO_FLOAT);
+ PROCESS(greenIndex, GCOMP, 0.0F, 0, GLushort, USHORT_TO_FLOAT);
+ PROCESS(blueIndex, BCOMP, 0.0F, 0, GLushort, USHORT_TO_FLOAT);
+ PROCESS(alphaIndex, ACOMP, 1.0F, 0xffff, GLushort, USHORT_TO_FLOAT);
break;
case GL_SHORT:
- PROCESS(redIndex, RCOMP, 0.0F, GLshort, SHORT_TO_FLOAT);
- PROCESS(greenIndex, GCOMP, 0.0F, GLshort, SHORT_TO_FLOAT);
- PROCESS(blueIndex, BCOMP, 0.0F, GLshort, SHORT_TO_FLOAT);
- PROCESS(alphaIndex, ACOMP, 1.0F, GLshort, SHORT_TO_FLOAT);
+ PROCESS(redIndex, RCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT);
+ PROCESS(greenIndex, GCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT);
+ PROCESS(blueIndex, BCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT);
+ PROCESS(alphaIndex, ACOMP, 1.0F, 32767, GLshort, SHORT_TO_FLOAT);
break;
case GL_UNSIGNED_INT:
- PROCESS(redIndex, RCOMP, 0.0F, GLuint, UINT_TO_FLOAT);
- PROCESS(greenIndex, GCOMP, 0.0F, GLuint, UINT_TO_FLOAT);
- PROCESS(blueIndex, BCOMP, 0.0F, GLuint, UINT_TO_FLOAT);
- PROCESS(alphaIndex, ACOMP, 1.0F, GLuint, UINT_TO_FLOAT);
+ PROCESS(redIndex, RCOMP, 0.0F, 0, GLuint, UINT_TO_FLOAT);
+ PROCESS(greenIndex, GCOMP, 0.0F, 0, GLuint, UINT_TO_FLOAT);
+ PROCESS(blueIndex, BCOMP, 0.0F, 0, GLuint, UINT_TO_FLOAT);
+ PROCESS(alphaIndex, ACOMP, 1.0F, 0xffffffff, GLuint, UINT_TO_FLOAT);
break;
case GL_INT:
- PROCESS(redIndex, RCOMP, 0.0F, GLint, INT_TO_FLOAT);
- PROCESS(greenIndex, GCOMP, 0.0F, GLint, INT_TO_FLOAT);
- PROCESS(blueIndex, BCOMP, 0.0F, GLint, INT_TO_FLOAT);
- PROCESS(alphaIndex, ACOMP, 1.0F, GLint, INT_TO_FLOAT);
+ PROCESS(redIndex, RCOMP, 0.0F, 0, GLint, INT_TO_FLOAT);
+ PROCESS(greenIndex, GCOMP, 0.0F, 0, GLint, INT_TO_FLOAT);
+ PROCESS(blueIndex, BCOMP, 0.0F, 0, GLint, INT_TO_FLOAT);
+ PROCESS(alphaIndex, ACOMP, 1.0F, 2147483647, GLint, INT_TO_FLOAT);
break;
case GL_FLOAT:
- PROCESS(redIndex, RCOMP, 0.0F, GLfloat, (GLfloat));
- PROCESS(greenIndex, GCOMP, 0.0F, GLfloat, (GLfloat));
- PROCESS(blueIndex, BCOMP, 0.0F, GLfloat, (GLfloat));
- PROCESS(alphaIndex, ACOMP, 1.0F, GLfloat, (GLfloat));
+ PROCESS(redIndex, RCOMP, 0.0F, 0.0F, GLfloat, (GLfloat));
+ PROCESS(greenIndex, GCOMP, 0.0F, 0.0F, GLfloat, (GLfloat));
+ PROCESS(blueIndex, BCOMP, 0.0F, 0.0F, GLfloat, (GLfloat));
+ PROCESS(alphaIndex, ACOMP, 1.0F, 1.0F, GLfloat, (GLfloat));
break;
case GL_HALF_FLOAT_ARB:
- PROCESS(redIndex, RCOMP, 0.0F, GLhalfARB, _mesa_half_to_float);
- PROCESS(greenIndex, GCOMP, 0.0F, GLhalfARB, _mesa_half_to_float);
- PROCESS(blueIndex, BCOMP, 0.0F, GLhalfARB, _mesa_half_to_float);
- PROCESS(alphaIndex, ACOMP, 1.0F, GLhalfARB, _mesa_half_to_float);
+ PROCESS(redIndex, RCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float);
+ PROCESS(greenIndex, GCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float);
+ PROCESS(blueIndex, BCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float);
+ PROCESS(alphaIndex, 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][rComp] = ((p >> 5) ) * (1.0F / 7.0F);
- rgba[i][gComp] = ((p >> 2) & 0x7) * (1.0F / 7.0F);
- rgba[i][bComp] = ((p ) & 0x3) * (1.0F / 3.0F);
+ rgba[i][rComp] = ((p >> 5) ) * rs;
+ rgba[i][gComp] = ((p >> 2) & 0x7) * gs;
+ rgba[i][bComp] = ((p ) & 0x3) * bs;
rgba[i][aComp] = 1.0F;
}
}
@@ -3456,25 +3613,35 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
{
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][rComp] = ((p ) & 0x7) * (1.0F / 7.0F);
- rgba[i][gComp] = ((p >> 3) & 0x7) * (1.0F / 7.0F);
- rgba[i][bComp] = ((p >> 6) ) * (1.0F / 3.0F);
+ rgba[i][rComp] = ((p ) & 0x7) * rs;
+ rgba[i][gComp] = ((p >> 3) & 0x7) * gs;
+ rgba[i][bComp] = ((p >> 6) ) * bs;
rgba[i][aComp] = 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][rComp] = ((p >> 11) ) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F);
- rgba[i][bComp] = ((p ) & 0x1f) * (1.0F / 31.0F);
+ rgba[i][rComp] = ((p >> 11) ) * rs;
+ rgba[i][gComp] = ((p >> 5) & 0x3f) * gs;
+ rgba[i][bComp] = ((p ) & 0x1f) * bs;
rgba[i][aComp] = 1.0F;
}
}
@@ -3483,23 +3650,28 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLushort p = ussrc[i];
- rgba[i][rComp] = ((p >> 11) ) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F);
- rgba[i][bComp] = ((p ) & 0x1f) * (1.0F / 31.0F);
+ rgba[i][rComp] = ((p >> 11) ) * rs;
+ rgba[i][gComp] = ((p >> 5) & 0x3f) * gs;
+ rgba[i][bComp] = ((p ) & 0x1f) * bs;
rgba[i][aComp] = 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][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F);
- rgba[i][bComp] = ((p >> 11) ) * (1.0F / 31.0F);
+ rgba[i][rComp] = ((p ) & 0x1f) * rs;
+ rgba[i][gComp] = ((p >> 5) & 0x3f) * gs;
+ rgba[i][bComp] = ((p >> 11) ) * bs;
rgba[i][aComp] = 1.0F;
}
}
@@ -3508,24 +3680,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLushort p = ussrc[i];
- rgba[i][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F);
- rgba[i][bComp] = ((p >> 11) ) * (1.0F / 31.0F);
+ rgba[i][rComp] = ((p ) & 0x1f) * rs;
+ rgba[i][gComp] = ((p >> 5) & 0x3f) * gs;
+ rgba[i][bComp] = ((p >> 11) ) * bs;
rgba[i][aComp] = 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][rComp] = ((p >> 12) ) * (1.0F / 15.0F);
- rgba[i][gComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F);
- rgba[i][bComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F);
- rgba[i][aComp] = ((p ) & 0xf) * (1.0F / 15.0F);
+ rgba[i][rComp] = ((p >> 12) ) * rs;
+ rgba[i][gComp] = ((p >> 8) & 0xf) * gs;
+ rgba[i][bComp] = ((p >> 4) & 0xf) * bs;
+ rgba[i][aComp] = ((p ) & 0xf) * as;
}
}
else {
@@ -3533,24 +3708,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLushort p = ussrc[i];
- rgba[i][rComp] = ((p >> 12) ) * (1.0F / 15.0F);
- rgba[i][gComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F);
- rgba[i][bComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F);
- rgba[i][aComp] = ((p ) & 0xf) * (1.0F / 15.0F);
+ rgba[i][rComp] = ((p >> 12) ) * rs;
+ rgba[i][gComp] = ((p >> 8) & 0xf) * gs;
+ rgba[i][bComp] = ((p >> 4) & 0xf) * bs;
+ rgba[i][aComp] = ((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][rComp] = ((p ) & 0xf) * (1.0F / 15.0F);
- rgba[i][gComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F);
- rgba[i][bComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F);
- rgba[i][aComp] = ((p >> 12) ) * (1.0F / 15.0F);
+ rgba[i][rComp] = ((p ) & 0xf) * rs;
+ rgba[i][gComp] = ((p >> 4) & 0xf) * gs;
+ rgba[i][bComp] = ((p >> 8) & 0xf) * bs;
+ rgba[i][aComp] = ((p >> 12) ) * as;
}
}
else {
@@ -3558,24 +3736,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLushort p = ussrc[i];
- rgba[i][rComp] = ((p ) & 0xf) * (1.0F / 15.0F);
- rgba[i][gComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F);
- rgba[i][bComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F);
- rgba[i][aComp] = ((p >> 12) ) * (1.0F / 15.0F);
+ rgba[i][rComp] = ((p ) & 0xf) * rs;
+ rgba[i][gComp] = ((p >> 4) & 0xf) * gs;
+ rgba[i][bComp] = ((p >> 8) & 0xf) * bs;
+ rgba[i][aComp] = ((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][rComp] = ((p >> 11) ) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 6) & 0x1f) * (1.0F / 31.0F);
- rgba[i][bComp] = ((p >> 1) & 0x1f) * (1.0F / 31.0F);
- rgba[i][aComp] = ((p ) & 0x1) * (1.0F / 1.0F);
+ rgba[i][rComp] = ((p >> 11) ) * rs;
+ rgba[i][gComp] = ((p >> 6) & 0x1f) * gs;
+ rgba[i][bComp] = ((p >> 1) & 0x1f) * bs;
+ rgba[i][aComp] = ((p ) & 0x1) * as;
}
}
else {
@@ -3583,24 +3764,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLushort p = ussrc[i];
- rgba[i][rComp] = ((p >> 11) ) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 6) & 0x1f) * (1.0F / 31.0F);
- rgba[i][bComp] = ((p >> 1) & 0x1f) * (1.0F / 31.0F);
- rgba[i][aComp] = ((p ) & 0x1) * (1.0F / 1.0F);
+ rgba[i][rComp] = ((p >> 11) ) * rs;
+ rgba[i][gComp] = ((p >> 6) & 0x1f) * gs;
+ rgba[i][bComp] = ((p >> 1) & 0x1f) * bs;
+ rgba[i][aComp] = ((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][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 5) & 0x1f) * (1.0F / 31.0F);
- rgba[i][bComp] = ((p >> 10) & 0x1f) * (1.0F / 31.0F);
- rgba[i][aComp] = ((p >> 15) ) * (1.0F / 1.0F);
+ rgba[i][rComp] = ((p ) & 0x1f) * rs;
+ rgba[i][gComp] = ((p >> 5) & 0x1f) * gs;
+ rgba[i][bComp] = ((p >> 10) & 0x1f) * bs;
+ rgba[i][aComp] = ((p >> 15) ) * as;
}
}
else {
@@ -3608,10 +3792,10 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLushort p = ussrc[i];
- rgba[i][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F);
- rgba[i][gComp] = ((p >> 5) & 0x1f) * (1.0F / 31.0F);
- rgba[i][bComp] = ((p >> 10) & 0x1f) * (1.0F / 31.0F);
- rgba[i][aComp] = ((p >> 15) ) * (1.0F / 1.0F);
+ rgba[i][rComp] = ((p ) & 0x1f) * rs;
+ rgba[i][gComp] = ((p >> 5) & 0x1f) * gs;
+ rgba[i][bComp] = ((p >> 10) & 0x1f) * bs;
+ rgba[i][aComp] = ((p >> 15) ) * as;
}
}
break;
@@ -3619,23 +3803,45 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
if (swapBytes) {
const GLuint *uisrc = (const GLuint *) src;
GLuint i;
- for (i = 0; i < n; i ++) {
- GLuint p = uisrc[i];
- rgba[i][rComp] = UBYTE_TO_FLOAT((p ) & 0xff);
- rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
- rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
- rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24) );
+ if (intFormat) {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = (GLfloat) ((p ) & 0xff);
+ rgba[i][gComp] = (GLfloat) ((p >> 8) & 0xff);
+ rgba[i][bComp] = (GLfloat) ((p >> 16) & 0xff);
+ rgba[i][aComp] = (GLfloat) ((p >> 24) );
+ }
+ }
+ else {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = UBYTE_TO_FLOAT((p ) & 0xff);
+ rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
+ rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+ rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24) );
+ }
}
}
else {
const GLuint *uisrc = (const GLuint *) src;
GLuint i;
- for (i = 0; i < n; i ++) {
- GLuint p = uisrc[i];
- rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24) );
- rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
- rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
- rgba[i][aComp] = UBYTE_TO_FLOAT((p ) & 0xff);
+ if (intFormat) {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = (GLfloat) ((p >> 24) );
+ rgba[i][gComp] = (GLfloat) ((p >> 16) & 0xff);
+ rgba[i][bComp] = (GLfloat) ((p >> 8) & 0xff);
+ rgba[i][aComp] = (GLfloat) ((p ) & 0xff);
+ }
+ }
+ else {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24) );
+ rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+ rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
+ rgba[i][aComp] = UBYTE_TO_FLOAT((p ) & 0xff);
+ }
}
}
break;
@@ -3643,37 +3849,65 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
if (swapBytes) {
const GLuint *uisrc = (const GLuint *) src;
GLuint i;
- for (i = 0; i < n; i ++) {
- GLuint p = uisrc[i];
- rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24) );
- rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
- rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
- rgba[i][aComp] = UBYTE_TO_FLOAT((p ) & 0xff);
+ if (intFormat) {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = (GLfloat) ((p >> 24) );
+ rgba[i][gComp] = (GLfloat) ((p >> 16) & 0xff);
+ rgba[i][bComp] = (GLfloat) ((p >> 8) & 0xff);
+ rgba[i][aComp] = (GLfloat) ((p ) & 0xff);
+ }
+ }
+ else {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24) );
+ rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+ rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
+ rgba[i][aComp] = UBYTE_TO_FLOAT((p ) & 0xff);
+ }
}
}
else {
const GLuint *uisrc = (const GLuint *) src;
GLuint i;
- for (i = 0; i < n; i ++) {
- GLuint p = uisrc[i];
- rgba[i][rComp] = UBYTE_TO_FLOAT((p ) & 0xff);
- rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
- rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
- rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24) );
+ if (intFormat) {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = (GLfloat) ((p ) & 0xff);
+ rgba[i][gComp] = (GLfloat) ((p >> 8) & 0xff);
+ rgba[i][bComp] = (GLfloat) ((p >> 16) & 0xff);
+ rgba[i][aComp] = (GLfloat) ((p >> 24) );
+ }
+ }
+ else {
+ for (i = 0; i < n; i ++) {
+ GLuint p = uisrc[i];
+ rgba[i][rComp] = UBYTE_TO_FLOAT((p ) & 0xff);
+ rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff);
+ rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+ rgba[i][aComp] = 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][rComp] = ((p >> 22) ) * (1.0F / 1023.0F);
- rgba[i][gComp] = ((p >> 12) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][bComp] = ((p >> 2) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][aComp] = ((p ) & 0x3 ) * (1.0F / 3.0F);
+ rgba[i][rComp] = ((p >> 22) ) * rs;
+ rgba[i][gComp] = ((p >> 12) & 0x3ff) * gs;
+ rgba[i][bComp] = ((p >> 2) & 0x3ff) * bs;
+ rgba[i][aComp] = ((p ) & 0x3 ) * as;
}
}
else {
@@ -3681,24 +3915,30 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLuint p = uisrc[i];
- rgba[i][rComp] = ((p >> 22) ) * (1.0F / 1023.0F);
- rgba[i][gComp] = ((p >> 12) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][bComp] = ((p >> 2) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][aComp] = ((p ) & 0x3 ) * (1.0F / 3.0F);
+ rgba[i][rComp] = ((p >> 22) ) * rs;
+ rgba[i][gComp] = ((p >> 12) & 0x3ff) * gs;
+ rgba[i][bComp] = ((p >> 2) & 0x3ff) * bs;
+ rgba[i][aComp] = ((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][rComp] = ((p ) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][gComp] = ((p >> 10) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][bComp] = ((p >> 20) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][aComp] = ((p >> 30) ) * (1.0F / 3.0F);
+ rgba[i][rComp] = ((p ) & 0x3ff) * rs;
+ rgba[i][gComp] = ((p >> 10) & 0x3ff) * gs;
+ rgba[i][bComp] = ((p >> 20) & 0x3ff) * bs;
+ rgba[i][aComp] = ((p >> 30) ) * as;
}
}
else {
@@ -3706,10 +3946,10 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
GLuint i;
for (i = 0; i < n; i ++) {
GLuint p = uisrc[i];
- rgba[i][rComp] = ((p ) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][gComp] = ((p >> 10) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][bComp] = ((p >> 20) & 0x3ff) * (1.0F / 1023.0F);
- rgba[i][aComp] = ((p >> 30) ) * (1.0F / 3.0F);
+ rgba[i][rComp] = ((p ) & 0x3ff) * rs;
+ rgba[i][gComp] = ((p >> 10) & 0x3ff) * gs;
+ rgba[i][bComp] = ((p >> 20) & 0x3ff) * bs;
+ rgba[i][aComp] = ((p >> 30) ) * as;
}
}
break;
@@ -4101,6 +4341,16 @@ _mesa_unpack_color_span_float( GLcontext *ctx,
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_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 ||
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 02:22:54 +0000