diff options
Diffstat (limited to 'src/mesa/main/teximage.c')
| -rw-r--r-- | src/mesa/main/teximage.c | 118 |
1 files changed, 60 insertions, 58 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 6e20fe87760..718e561cf67 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1,4 +1,4 @@ -/* $Id: teximage.c,v 1.53 2000/10/28 18:34:48 brianp Exp $ */ +/* $Id: teximage.c,v 1.54 2000/10/29 18:12:15 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -45,7 +45,7 @@ /* * NOTES: * - * Mesa's native texture datatype is GLubyte. Native formats are + * Mesa's native texture datatype is GLchan. Native formats are * GL_ALPHA, GL_LUMINANCE, GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, GL_RGBA, * and GL_COLOR_INDEX. * Device drivers are free to implement any internal format they want. @@ -56,7 +56,7 @@ static void PrintTexture(const struct gl_texture_image *img) { int i, j, c; - GLubyte *data = img->Data; + GLchan *data = img->Data; if (!data) { printf("No texture data\n"); @@ -676,11 +676,11 @@ adjust_texture_size_for_convolution(const GLcontext *ctx, GLuint dimensions, * care of all image transfer operations here, including convolution. * Input: * dstXoffset, dstYoffset, dstZoffset - offsets in pixels - * dstRowStride, dstImageStride - strides in bytes + * dstRowStride, dstImageStride - strides in GLchan's */ static void fill_texture_image( GLcontext *ctx, GLuint dimensions, - GLenum texFormat, GLubyte *texAddr, + GLenum texFormat, GLchan *texAddr, GLint srcWidth, GLint srcHeight, GLint srcDepth, GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, GLint dstRowStride, GLint dstImageStride, @@ -713,14 +713,14 @@ fill_texture_image( GLcontext *ctx, GLuint dimensions, /* This will cover the common GL_RGB, GL_RGBA, GL_ALPHA, * GL_LUMINANCE_ALPHA, etc. texture formats. Use memcpy(). */ - const GLubyte *src = (const GLubyte *) _mesa_image_address( + const GLchan *src = (const GLchan *) _mesa_image_address( srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0); const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); - const GLint widthInBytes = srcWidth * texComponents; - GLubyte *dst = texAddr + dstYoffset * dstRowStride - + dstXoffset * texComponents * sizeof(GLubyte); + const GLint widthInBytes = srcWidth * texComponents * sizeof(GLchan); + GLchan *dst = texAddr + dstYoffset * dstRowStride + + dstXoffset * texComponents; if (srcRowStride == widthInBytes && dstRowStride == widthInBytes) { MEMCPY(dst, src, srcHeight * widthInBytes); } @@ -736,17 +736,17 @@ fill_texture_image( GLcontext *ctx, GLuint dimensions, } else if (srcFormat == GL_RGBA && texFormat == GL_RGB) { /* commonly used by Quake */ - const GLubyte *src = (const GLubyte *) _mesa_image_address( + const GLchan *src = (const GLchan *) _mesa_image_address( srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0); const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); - GLubyte *dst = texAddr + dstYoffset * dstRowStride - + dstXoffset * texComponents * sizeof(GLubyte); + GLchan *dst = texAddr + dstYoffset * dstRowStride + + dstXoffset * texComponents; GLint i, j; for (i = 0; i < srcHeight; i++) { - const GLubyte *s = src; - GLubyte *d = dst; + const GLchan *s = src; + GLchan *d = dst; for (j = 0; j < srcWidth; j++) { *d++ = *s++; /*red*/ *d++ = *s++; /*green*/ @@ -767,11 +767,11 @@ fill_texture_image( GLcontext *ctx, GLuint dimensions, /* color index texture */ const GLenum texType = GL_UNSIGNED_BYTE; GLint img, row; - GLubyte *dest = texAddr + dstZoffset * dstImageStride + GLchan *dest = texAddr + dstZoffset * dstImageStride + dstYoffset * dstRowStride - + dstXoffset * texComponents * sizeof(GLubyte); + + dstXoffset * texComponents; for (img = 0; img < srcDepth; img++) { - GLubyte *destRow = dest; + GLchan *destRow = dest; for (row = 0; row < srcHeight; row++) { const GLvoid *src = _mesa_image_address(srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); @@ -809,7 +809,7 @@ fill_texture_image( GLcontext *ctx, GLuint dimensions, for (img = 0; img < srcDepth; img++) { const GLfloat *srcf; GLfloat *dstf = tmpImage; - GLubyte *dest; + GLchan *dest; /* unpack and do transfer ops up to convolution */ for (row = 0; row < srcHeight; row++) { @@ -864,16 +864,16 @@ fill_texture_image( GLcontext *ctx, GLuint dimensions, * no convolution */ GLint img, row; - GLubyte *dest = texAddr + dstZoffset * dstImageStride + GLchan *dest = texAddr + dstZoffset * dstImageStride + dstYoffset * dstRowStride - + dstXoffset * texComponents * sizeof(GLubyte); + + dstXoffset * texComponents; for (img = 0; img < srcDepth; img++) { - GLubyte *destRow = dest; + GLchan *destRow = dest; for (row = 0; row < srcHeight; row++) { const GLvoid *srcRow = _mesa_image_address(srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); - _mesa_unpack_ubyte_color_span(ctx, srcWidth, texFormat, destRow, + _mesa_unpack_chan_color_span(ctx, srcWidth, texFormat, destRow, srcFormat, srcType, srcRow, srcPacking, ctx->ImageTransferState); destRow += dstRowStride; @@ -890,7 +890,7 @@ fill_texture_image( GLcontext *ctx, GLuint dimensions, * X86 optimized code. */ #ifdef USE_X86_ASM -# define EXTRA_BYTE 1 +# define EXTRA_BYTE sizeof(GLchan) #else # define EXTRA_BYTE 0 #endif @@ -932,15 +932,15 @@ make_texture_image( GLcontext *ctx, GLuint dimensions, &convWidth, &convHeight); } - texImage->Data = (GLubyte *) MALLOC(convWidth * convHeight * depth - * components + EXTRA_BYTE); + texImage->Data = (GLchan *) MALLOC(convWidth * convHeight * depth + * components * sizeof(GLchan) + EXTRA_BYTE); if (!texImage->Data) return; /* out of memory */ fill_texture_image(ctx, dimensions, texImage->Format, texImage->Data, width, height, depth, 0, 0, 0, - convWidth * components * sizeof(GLubyte), - convWidth * convHeight * components * sizeof(GLubyte), + convWidth * components * sizeof(GLchan), + convWidth * convHeight * components * sizeof(GLchan), srcFormat, srcType, pixels, srcPacking); } @@ -963,7 +963,8 @@ make_null_texture( struct gl_texture_image *texImage ) components = components_in_intformat(texImage->IntFormat); numPixels = texImage->Width * texImage->Height * texImage->Depth; - texImage->Data = (GLubyte *) MALLOC( numPixels * components + EXTRA_BYTE ); + texImage->Data = (GLchan *) MALLOC( numPixels * components * sizeof(GLchan) + + EXTRA_BYTE ); /* * Let's see if anyone finds this. If glTexImage2D() is called with @@ -982,7 +983,7 @@ make_null_texture( struct gl_texture_image *texImage ) " " }; - GLubyte *imgPtr = texImage->Data; + GLchan *imgPtr = texImage->Data; GLint i, j, k; for (i = 0; i < texImage->Height; i++) { GLint srcRow = 7 - i % 8; @@ -990,7 +991,7 @@ make_null_texture( struct gl_texture_image *texImage ) GLint srcCol = j % 32; GLint texel = (message[srcRow][srcCol]=='X') ? CHAN_MAX : 70; for (k=0;k<components;k++) { - *imgPtr++ = (GLubyte) texel; + *imgPtr++ = (GLchan) texel; } } } @@ -2059,7 +2060,8 @@ _mesa_get_teximage_from_driver( GLcontext *ctx, GLenum target, GLint level, if (!texImage->Data) { /* Allocate memory for the texture image data */ - texImage->Data = (GLubyte *) MALLOC(numPixels * destComponents + EXTRA_BYTE); + texImage->Data = (GLchan *) MALLOC(numPixels * destComponents + * sizeof(GLchan) + EXTRA_BYTE); } if (imgFormat == texImage->Format && imgType == GL_UNSIGNED_BYTE) { @@ -2079,8 +2081,8 @@ _mesa_get_teximage_from_driver( GLcontext *ctx, GLenum target, GLint level, const GLint srcBytesPerRow = width * srcBytesPerTexel; const GLenum dstType = GL_UNSIGNED_BYTE; const GLenum dstFormat = texImage->Format; - const GLubyte *srcPtr = (const GLubyte *) image; - GLubyte *destPtr = texImage->Data; + const GLchan *srcPtr = (const GLchan *) image; + GLchan *destPtr = texImage->Data; if (texImage->Format == GL_COLOR_INDEX) { /* color index texture */ @@ -2100,7 +2102,7 @@ _mesa_get_teximage_from_driver( GLcontext *ctx, GLenum target, GLint level, GLint img, row; for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { - _mesa_unpack_ubyte_color_span(ctx, width, dstFormat, destPtr, + _mesa_unpack_chan_color_span(ctx, width, dstFormat, destPtr, imgFormat, imgType, srcPtr, &_mesa_native_packing, GL_FALSE); destPtr += destBytesPerRow; srcPtr += srcBytesPerRow; @@ -2250,7 +2252,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, /* convert to GL_RGBA */ for (row = 0; row < height; row++) { - const GLubyte *src = texImage->Data + const GLchan *src = texImage->Data + (img * height + row ) * width * comps; GLfloat *dst = tmpImage + row * width * 4; _mesa_unpack_float_color_span(ctx, width, GL_RGBA, dst, @@ -2306,20 +2308,20 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, assert(dest); if (texImage->Format == GL_RGBA) { /* simple case */ - const GLubyte *src = texImage->Data + const GLchan *src = texImage->Data + (img * height + row ) * width * 4; - _mesa_pack_rgba_span( ctx, width, (CONST GLubyte (*)[4]) src, + _mesa_pack_rgba_span( ctx, width, (CONST GLchan (*)[4]) src, format, type, dest, &ctx->Pack, ctx->ImageTransferState ); } else { /* general case: convert row to RGBA format */ - GLubyte rgba[MAX_WIDTH][4]; + GLchan rgba[MAX_WIDTH][4]; GLint i; - const GLubyte *src; + const GLchan *src; switch (texImage->Format) { case GL_ALPHA: - src = texImage->Data + row * width * sizeof(GLubyte); + src = texImage->Data + row * width; for (i = 0; i < width; i++) { rgba[i][RCOMP] = CHAN_MAX; rgba[i][GCOMP] = CHAN_MAX; @@ -2328,7 +2330,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, } break; case GL_LUMINANCE: - src = texImage->Data + row * width * sizeof(GLubyte); + src = texImage->Data + row * width; for (i = 0; i < width; i++) { rgba[i][RCOMP] = src[i]; rgba[i][GCOMP] = src[i]; @@ -2337,7 +2339,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, } break; case GL_LUMINANCE_ALPHA: - src = texImage->Data + row * 2 * width * sizeof(GLubyte); + src = texImage->Data + row * 2 * width; for (i = 0; i < width; i++) { rgba[i][RCOMP] = src[i*2+0]; rgba[i][GCOMP] = src[i*2+0]; @@ -2346,7 +2348,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, } break; case GL_INTENSITY: - src = texImage->Data + row * width * sizeof(GLubyte); + src = texImage->Data + row * width; for (i = 0; i < width; i++) { rgba[i][RCOMP] = src[i]; rgba[i][GCOMP] = src[i]; @@ -2355,7 +2357,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, } break; case GL_RGB: - src = texImage->Data + row * 3 * width * sizeof(GLubyte); + src = texImage->Data + row * 3 * width; for (i = 0; i < width; i++) { rgba[i][RCOMP] = src[i*3+0]; rgba[i][GCOMP] = src[i*3+1]; @@ -2370,7 +2372,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, default: gl_problem( ctx, "bad format in gl_GetTexImage" ); } - _mesa_pack_rgba_span( ctx, width, (const GLubyte (*)[4])rgba, + _mesa_pack_rgba_span( ctx, width, (const GLchan (*)[4])rgba, format, type, dest, &ctx->Pack, ctx->ImageTransferState ); } /* format */ @@ -2499,7 +2501,7 @@ _mesa_TexSubImage2D( GLenum target, GLint level, if (!success) { /* XXX if Driver.TexSubImage2D, unpack image and try again? */ const GLint texComps = components_in_intformat(texImage->Format); - const GLint texRowStride = texImage->Width * texComps * sizeof(GLubyte); + const GLint texRowStride = texImage->Width * texComps; GLboolean retain = GL_TRUE; if (!texImage->Data) { @@ -2582,7 +2584,7 @@ _mesa_TexSubImage3D( GLenum target, GLint level, if (!success) { /* XXX if Driver.TexSubImage3D, unpack image and try again? */ const GLint texComps = components_in_intformat(texImage->Format); - const GLint texRowStride = texImage->Width * texComps * sizeof(GLubyte); + const GLint texRowStride = texImage->Width * texComps; const GLint texImgStride = texRowStride * texImage->Height; GLboolean retain = GL_TRUE; @@ -2622,16 +2624,16 @@ _mesa_TexSubImage3D( GLenum target, GLint level, * Input: ctx - the context * x, y - lower left corner * width, height - size of region to read - * Return: pointer to block of GL_RGBA, GLubyte data. + * Return: pointer to block of GL_RGBA, GLchan data. */ -static GLubyte * +static GLchan * read_color_image( GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height ) { GLint stride, i; - GLubyte *image, *dst; + GLchan *image, *dst; - image = (GLubyte *) MALLOC(width * height * 4 * sizeof(GLubyte)); + image = (GLchan *) MALLOC(width * height * 4 * sizeof(GLchan)); if (!image) return NULL; @@ -2640,10 +2642,10 @@ read_color_image( GLcontext *ctx, GLint x, GLint y, ctx->Pixel.DriverReadBuffer ); dst = image; - stride = width * 4 * sizeof(GLubyte); + stride = width * 4; for (i = 0; i < height; i++) { gl_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y + i, - (GLubyte (*)[4]) dst ); + (GLchan (*)[4]) dst ); dst += stride; } @@ -2678,7 +2680,7 @@ _mesa_CopyTexImage1D( GLenum target, GLint level, struct gl_pixelstore_attrib unpackSave; /* get image from framebuffer */ - GLubyte *image = read_color_image( ctx, x, y, width, 1 ); + GLchan *image = read_color_image( ctx, x, y, width, 1 ); if (!image) { gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D" ); return; @@ -2718,7 +2720,7 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat, struct gl_pixelstore_attrib unpackSave; /* get image from framebuffer */ - GLubyte *image = read_color_image( ctx, x, y, width, height ); + GLchan *image = read_color_image( ctx, x, y, width, height ); if (!image) { gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D" ); return; @@ -2757,7 +2759,7 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level, struct gl_texture_unit *texUnit; struct gl_texture_image *teximage; struct gl_pixelstore_attrib unpackSave; - GLubyte *image; + GLchan *image; texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; teximage = texUnit->CurrentD[1]->Image[level]; @@ -2804,7 +2806,7 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level, struct gl_texture_unit *texUnit; struct gl_texture_image *teximage; struct gl_pixelstore_attrib unpackSave; - GLubyte *image; + GLchan *image; texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; teximage = texUnit->CurrentD[2]->Image[level]; @@ -2851,7 +2853,7 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level, struct gl_texture_unit *texUnit; struct gl_texture_image *teximage; struct gl_pixelstore_attrib unpackSave; - GLubyte *image; + GLchan *image; texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; teximage = texUnit->CurrentD[3]->Image[level]; |