diff options
| -rw-r--r-- | src/mesa/main/pack.c | 135 | ||||
| -rw-r--r-- | src/mesa/main/pack.h | 14 |
2 files changed, 111 insertions, 38 deletions
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c index 2d66f8fc5e..6d524e6490 100644 --- a/src/mesa/main/pack.c +++ b/src/mesa/main/pack.c @@ -484,11 +484,25 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4], const struct gl_pixelstore_attrib *dstPacking, GLbitfield transferOps) { - GLfloat luminance[MAX_WIDTH]; + GLfloat *luminance; const GLint comps = _mesa_components_in_format(dstFormat); const GLboolean intDstFormat = _mesa_is_integer_format(dstFormat); GLuint i; + if (dstFormat == GL_LUMINANCE || + dstFormat == GL_LUMINANCE_ALPHA || + dstFormat == GL_LUMINANCE_INTEGER_EXT || + dstFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT) { + luminance = (GLfloat *) malloc(n * sizeof(GLfloat)); + if (!luminance) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing"); + return; + } + } + else { + luminance = NULL; + } + /* XXX * This test should probably go away. Have the caller set/clear the * IMAGE_CLAMP_BIT as needed. @@ -1907,6 +1921,8 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4], } } } + + free(luminance); } @@ -3476,9 +3492,14 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx, /* * Extract image data and convert to RGBA floats */ - assert(n <= MAX_WIDTH); if (srcFormat == GL_COLOR_INDEX) { - GLuint indexes[MAX_WIDTH]; + GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint)); + + if (!indexes) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); + return; + } + extract_uint_indexes(n, indexes, srcFormat, srcType, source, srcPacking); @@ -3489,6 +3510,7 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx, for (i = 0; i < n; i++) { dest[i] = (GLchan) (indexes[i] & 0xff); } + free(indexes); free(rgba); return; } @@ -3504,6 +3526,8 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx, * with color indexes. */ transferOps &= ~(IMAGE_SCALE_BIAS_BIT | IMAGE_MAP_COLOR_BIT); + + free(indexes); } else { /* non-color index data */ @@ -3674,9 +3698,15 @@ _mesa_unpack_color_span_float( struct gl_context *ctx, /* * Extract image data and convert to RGBA floats */ - assert(n <= MAX_WIDTH); if (srcFormat == GL_COLOR_INDEX) { - GLuint indexes[MAX_WIDTH]; + GLuint *indexes = (GLuint *) 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); @@ -3687,6 +3717,7 @@ _mesa_unpack_color_span_float( struct gl_context *ctx, for (i = 0; i < n; i++) { dest[i] = (GLchan) (indexes[i] & 0xff); } + free(indexes); free(rgba); return; } @@ -3703,7 +3734,7 @@ _mesa_unpack_color_span_float( struct gl_context *ctx, */ transferOps &= ~(IMAGE_SCALE_BIAS_BIT | IMAGE_MAP_COLOR_BIT); - free(rgba); + free(indexes); } else { /* non-color index data */ @@ -3776,6 +3807,8 @@ _mesa_unpack_color_span_float( struct gl_context *ctx, dst += dstComponents; } } + + free(rgba); } } @@ -3799,8 +3832,6 @@ _mesa_unpack_color_span_uint(struct gl_context *ctx, return; } - ASSERT(n <= MAX_WIDTH); - ASSERT(dstFormat == GL_ALPHA || dstFormat == GL_LUMINANCE || dstFormat == GL_LUMINANCE_ALPHA || @@ -3982,7 +4013,6 @@ _mesa_unpack_dudv_span_byte( struct gl_context *ctx, /* * Extract image data and convert to RGBA floats */ - assert(n <= MAX_WIDTH); extract_float_rgba(n, rgba, srcFormat, srcType, source, srcPacking->SwapBytes); @@ -4018,7 +4048,7 @@ _mesa_unpack_dudv_span_byte( struct gl_context *ctx, * transferOps - the pixel transfer operations to apply */ void -_mesa_unpack_index_span( const struct gl_context *ctx, GLuint n, +_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, @@ -4056,8 +4086,12 @@ _mesa_unpack_index_span( const struct gl_context *ctx, GLuint n, /* * general solution */ - GLuint indexes[MAX_WIDTH]; - assert(n <= MAX_WIDTH); + GLuint *indexes = (GLuint *) 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); @@ -4091,19 +4125,24 @@ _mesa_unpack_index_span( const struct gl_context *ctx, GLuint n, default: _mesa_problem(ctx, "bad dstType in _mesa_unpack_index_span"); } + + free(indexes); } } void -_mesa_pack_index_span( const struct gl_context *ctx, GLuint n, +_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[MAX_WIDTH]; + GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint)); - ASSERT(n <= MAX_WIDTH); + if (!indexes) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing"); + return; + } transferOps &= (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT); @@ -4208,6 +4247,8 @@ _mesa_pack_index_span( const struct gl_context *ctx, GLuint n, default: _mesa_problem(ctx, "bad type in _mesa_pack_index_span"); } + + free(indexes); } @@ -4226,7 +4267,7 @@ _mesa_pack_index_span( const struct gl_context *ctx, GLuint n, * transferOps - apply offset/bias/lookup ops? */ void -_mesa_unpack_stencil_span( const struct gl_context *ctx, GLuint n, +_mesa_unpack_stencil_span( struct gl_context *ctx, GLuint n, GLenum dstType, GLvoid *dest, GLenum srcType, const GLvoid *source, const struct gl_pixelstore_attrib *srcPacking, @@ -4270,8 +4311,12 @@ _mesa_unpack_stencil_span( const struct gl_context *ctx, GLuint n, /* * general solution */ - GLuint indexes[MAX_WIDTH]; - assert(n <= MAX_WIDTH); + GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint)); + + if (!indexes) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "stencil unpacking"); + return; + } extract_uint_indexes(n, indexes, GL_STENCIL_INDEX, srcType, source, srcPacking); @@ -4316,18 +4361,23 @@ _mesa_unpack_stencil_span( const struct gl_context *ctx, GLuint n, default: _mesa_problem(ctx, "bad dstType in _mesa_unpack_stencil_span"); } + + free(indexes); } } void -_mesa_pack_stencil_span( const struct gl_context *ctx, GLuint n, +_mesa_pack_stencil_span( struct gl_context *ctx, GLuint n, GLenum dstType, GLvoid *dest, const GLstencil *source, const struct gl_pixelstore_attrib *dstPacking ) { - GLstencil stencil[MAX_WIDTH]; + GLstencil *stencil = (GLstencil *) malloc(n * sizeof(GLstencil)); - ASSERT(n <= MAX_WIDTH); + if (!stencil) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "stencil packing"); + return; + } if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset || ctx->Pixel.MapStencilFlag) { @@ -4466,6 +4516,8 @@ _mesa_pack_stencil_span( const struct gl_context *ctx, GLuint n, default: _mesa_problem(ctx, "bad type in _mesa_pack_index_span"); } + + free(stencil); } #define DEPTH_VALUES(GLTYPE, GLTYPE2FLOAT) \ @@ -4496,12 +4548,12 @@ _mesa_pack_stencil_span( const struct gl_context *ctx, GLuint n, * (ignored for GLfloat). */ void -_mesa_unpack_depth_span( const struct gl_context *ctx, GLuint n, +_mesa_unpack_depth_span( struct gl_context *ctx, GLuint n, GLenum dstType, GLvoid *dest, GLuint depthMax, GLenum srcType, const GLvoid *source, const struct gl_pixelstore_attrib *srcPacking ) { - GLfloat depthTemp[MAX_WIDTH], *depthValues; + GLfloat *depthTemp, *depthValues; GLboolean needClamp = GL_FALSE; /* Look for special cases first. @@ -4547,6 +4599,12 @@ _mesa_unpack_depth_span( const struct gl_context *ctx, GLuint n, /* general case path follows */ + depthTemp = (GLfloat *) malloc(n * sizeof(GLfloat)); + if (!depthTemp) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking"); + return; + } + if (dstType == GL_FLOAT) { depthValues = (GLfloat *) dest; } @@ -4629,6 +4687,7 @@ _mesa_unpack_depth_span( const struct gl_context *ctx, GLuint n, break; default: _mesa_problem(NULL, "bad type in _mesa_unpack_depth_span()"); + free(depthTemp); return; } @@ -4688,6 +4747,8 @@ _mesa_unpack_depth_span( const struct gl_context *ctx, GLuint n, ASSERT(dstType == GL_FLOAT); /*ASSERT(depthMax == 1.0F);*/ } + + free(depthTemp); } @@ -4695,13 +4756,15 @@ _mesa_unpack_depth_span( const struct gl_context *ctx, GLuint n, * Pack an array of depth values. The values are floats in [0,1]. */ void -_mesa_pack_depth_span( const struct gl_context *ctx, GLuint n, GLvoid *dest, +_mesa_pack_depth_span( struct gl_context *ctx, GLuint n, GLvoid *dest, GLenum dstType, const GLfloat *depthSpan, const struct gl_pixelstore_attrib *dstPacking ) { - GLfloat depthCopy[MAX_WIDTH]; - - ASSERT(n <= MAX_WIDTH); + GLfloat *depthCopy = (GLfloat *) malloc(n * sizeof(GLfloat)); + if (!depthCopy) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing"); + return; + } if (ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0) { memcpy(depthCopy, depthSpan, n * sizeof(GLfloat)); @@ -4803,6 +4866,8 @@ _mesa_pack_depth_span( const struct gl_context *ctx, GLuint n, GLvoid *dest, default: _mesa_problem(ctx, "bad type in _mesa_pack_depth_span"); } + + free(depthCopy); } @@ -4811,16 +4876,21 @@ _mesa_pack_depth_span( const struct gl_context *ctx, GLuint n, GLvoid *dest, * Pack depth and stencil values as GL_DEPTH_STENCIL/GL_UNSIGNED_INT_24_8. */ void -_mesa_pack_depth_stencil_span(const struct gl_context *ctx, GLuint n, GLuint *dest, +_mesa_pack_depth_stencil_span(struct gl_context *ctx, GLuint n, GLuint *dest, const GLfloat *depthVals, const GLstencil *stencilVals, const struct gl_pixelstore_attrib *dstPacking) { - GLfloat depthCopy[MAX_WIDTH]; - GLstencil stencilCopy[MAX_WIDTH]; + GLfloat *depthCopy = (GLfloat *) malloc(n * sizeof(GLfloat)); + GLstencil *stencilCopy = (GLstencil *) malloc(n * sizeof(GLstencil)); GLuint i; - ASSERT(n <= MAX_WIDTH); + if (!depthCopy || !stencilCopy) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing"); + free(depthCopy); + free(stencilCopy); + return; + } if (ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0) { memcpy(depthCopy, depthVals, n * sizeof(GLfloat)); @@ -4844,6 +4914,9 @@ _mesa_pack_depth_stencil_span(const struct gl_context *ctx, GLuint n, GLuint *de if (dstPacking->SwapBytes) { _mesa_swap4(dest, n); } + + free(depthCopy); + free(stencilCopy); } diff --git a/src/mesa/main/pack.h b/src/mesa/main/pack.h index 65d3f7a0fb..78238ea583 100644 --- a/src/mesa/main/pack.h +++ b/src/mesa/main/pack.h @@ -90,7 +90,7 @@ _mesa_unpack_dudv_span_byte(struct gl_context *ctx, GLbitfield transferOps); extern void -_mesa_unpack_index_span(const struct gl_context *ctx, GLuint n, +_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, @@ -98,39 +98,39 @@ _mesa_unpack_index_span(const struct gl_context *ctx, GLuint n, extern void -_mesa_pack_index_span(const struct gl_context *ctx, GLuint n, +_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); extern void -_mesa_unpack_stencil_span(const struct gl_context *ctx, GLuint n, +_mesa_unpack_stencil_span(struct gl_context *ctx, GLuint n, GLenum dstType, GLvoid *dest, GLenum srcType, const GLvoid *source, const struct gl_pixelstore_attrib *srcPacking, GLbitfield transferOps); extern void -_mesa_pack_stencil_span(const struct gl_context *ctx, GLuint n, +_mesa_pack_stencil_span(struct gl_context *ctx, GLuint n, GLenum dstType, GLvoid *dest, const GLstencil *source, const struct gl_pixelstore_attrib *dstPacking); extern void -_mesa_unpack_depth_span(const struct gl_context *ctx, GLuint n, +_mesa_unpack_depth_span(struct gl_context *ctx, GLuint n, GLenum dstType, GLvoid *dest, GLuint depthMax, GLenum srcType, const GLvoid *source, const struct gl_pixelstore_attrib *srcPacking); extern void -_mesa_pack_depth_span(const struct gl_context *ctx, GLuint n, GLvoid *dest, +_mesa_pack_depth_span(struct gl_context *ctx, GLuint n, GLvoid *dest, GLenum dstType, const GLfloat *depthSpan, const struct gl_pixelstore_attrib *dstPacking); extern void -_mesa_pack_depth_stencil_span(const struct gl_context *ctx, +_mesa_pack_depth_stencil_span(struct gl_context *ctx, GLuint n, GLuint *dest, const GLfloat *depthVals, const GLstencil *stencilVals, |