diff options
Diffstat (limited to 'mesalib/src/mesa/main/pack.c')
| -rw-r--r-- | mesalib/src/mesa/main/pack.c | 64 |
1 files changed, 18 insertions, 46 deletions
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c index 539a06c9a..6f48a2e7c 100644 --- a/mesalib/src/mesa/main/pack.c +++ b/mesalib/src/mesa/main/pack.c @@ -34,6 +34,7 @@ #include "enums.h" #include "image.h" #include "imports.h" +#include "macros.h" #include "mtypes.h" #include "pack.h" #include "pixeltransfer.h" @@ -43,26 +44,6 @@ /** - * NOTE: - * Normally, BYTE_TO_FLOAT(0) returns 0.00392 That causes problems when - * we later convert the float to a packed integer value (such as for - * GL_RGB5_A1) because we'll wind up with a non-zero value. - * - * We redefine the macros here so zero is handled correctly. - */ -#undef BYTE_TO_FLOAT -#define BYTE_TO_FLOAT(B) ((B) == 0 ? 0.0F : ((2.0F * (B) + 1.0F) * (1.0F/255.0F))) - -#undef SHORT_TO_FLOAT -#define SHORT_TO_FLOAT(S) ((S) == 0 ? 0.0F : ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))) - - - -/** Compute ceiling of integer quotient of A divided by B. */ -#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 ) - - -/** * Flip the 8 bits in each byte of the given array. * * \param p array. @@ -2507,10 +2488,10 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4], PROCESS(aSrc, ACOMP, 1.0F, 255, GLubyte, UBYTE_TO_FLOAT); break; case GL_BYTE: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOAT); - PROCESS(aSrc, ACOMP, 1.0F, 127, GLbyte, BYTE_TO_FLOAT); + PROCESS(rSrc, RCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOATZ); + PROCESS(gSrc, GCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOATZ); + PROCESS(bSrc, BCOMP, 0.0F, 0, GLbyte, BYTE_TO_FLOATZ); + PROCESS(aSrc, ACOMP, 1.0F, 127, GLbyte, BYTE_TO_FLOATZ); break; case GL_UNSIGNED_SHORT: PROCESS(rSrc, RCOMP, 0.0F, 0, GLushort, USHORT_TO_FLOAT); @@ -2519,10 +2500,10 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4], PROCESS(aSrc, ACOMP, 1.0F, 0xffff, GLushort, USHORT_TO_FLOAT); break; case GL_SHORT: - PROCESS(rSrc, RCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT); - PROCESS(gSrc, GCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT); - PROCESS(bSrc, BCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOAT); - PROCESS(aSrc, ACOMP, 1.0F, 32767, GLshort, SHORT_TO_FLOAT); + PROCESS(rSrc, RCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOATZ); + PROCESS(gSrc, GCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOATZ); + PROCESS(bSrc, BCOMP, 0.0F, 0, GLshort, SHORT_TO_FLOATZ); + PROCESS(aSrc, ACOMP, 1.0F, 32767, GLshort, SHORT_TO_FLOATZ); break; case GL_UNSIGNED_INT: PROCESS(rSrc, RCOMP, 0.0F, 0, GLuint, UINT_TO_FLOAT); @@ -4586,10 +4567,10 @@ _mesa_unpack_stencil_span( struct gl_context *ctx, GLuint n, void _mesa_pack_stencil_span( struct gl_context *ctx, GLuint n, - GLenum dstType, GLvoid *dest, const GLstencil *source, + GLenum dstType, GLvoid *dest, const GLubyte *source, const struct gl_pixelstore_attrib *dstPacking ) { - GLstencil *stencil = (GLstencil *) malloc(n * sizeof(GLstencil)); + GLubyte *stencil = (GLubyte *) malloc(n * sizeof(GLubyte)); if (!stencil) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "stencil packing"); @@ -4599,23 +4580,14 @@ _mesa_pack_stencil_span( struct gl_context *ctx, GLuint n, if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset || ctx->Pixel.MapStencilFlag) { /* make a copy of input */ - memcpy(stencil, source, n * sizeof(GLstencil)); + memcpy(stencil, source, n * sizeof(GLubyte)); _mesa_apply_stencil_transfer_ops(ctx, n, stencil); source = stencil; } switch (dstType) { case GL_UNSIGNED_BYTE: - if (sizeof(GLstencil) == 1) { - memcpy( dest, source, n ); - } - else { - GLubyte *dst = (GLubyte *) dest; - GLuint i; - for (i=0;i<n;i++) { - dst[i] = (GLubyte) source[i]; - } - } + memcpy(dest, source, n); break; case GL_BYTE: { @@ -4834,14 +4806,14 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n, */ switch (srcType) { case GL_BYTE: - DEPTH_VALUES(GLbyte, BYTE_TO_FLOAT); + DEPTH_VALUES(GLbyte, BYTE_TO_FLOATZ); needClamp = GL_TRUE; break; case GL_UNSIGNED_BYTE: DEPTH_VALUES(GLubyte, UBYTE_TO_FLOAT); break; case GL_SHORT: - DEPTH_VALUES(GLshort, SHORT_TO_FLOAT); + DEPTH_VALUES(GLshort, SHORT_TO_FLOATZ); needClamp = GL_TRUE; break; case GL_UNSIGNED_SHORT: @@ -5120,11 +5092,11 @@ void _mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n, GLenum dstType, GLuint *dest, const GLfloat *depthVals, - const GLstencil *stencilVals, + const GLubyte *stencilVals, const struct gl_pixelstore_attrib *dstPacking) { GLfloat *depthCopy = (GLfloat *) malloc(n * sizeof(GLfloat)); - GLstencil *stencilCopy = (GLstencil *) malloc(n * sizeof(GLstencil)); + GLubyte *stencilCopy = (GLubyte *) malloc(n * sizeof(GLubyte)); GLuint i; if (!depthCopy || !stencilCopy) { @@ -5143,7 +5115,7 @@ _mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n, if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset || ctx->Pixel.MapStencilFlag) { - memcpy(stencilCopy, stencilVals, n * sizeof(GLstencil)); + memcpy(stencilCopy, stencilVals, n * sizeof(GLubyte)); _mesa_apply_stencil_transfer_ops(ctx, n, stencilCopy); stencilVals = stencilCopy; } |