From 18a8f9f6839dfd899814a76a971e720c1e622236 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 28 Sep 2011 15:18:21 +0200 Subject: mesa pixman xkeyboard-config git update 28 sep 2011 --- mesalib/src/mesa/main/texgetimage.c | 150 +++++++++++++++++++++++++----------- 1 file changed, 107 insertions(+), 43 deletions(-) (limited to 'mesalib/src/mesa/main/texgetimage.c') diff --git a/mesalib/src/mesa/main/texgetimage.c b/mesalib/src/mesa/main/texgetimage.c index 2830dda86..d2f25b9f8 100644 --- a/mesalib/src/mesa/main/texgetimage.c +++ b/mesalib/src/mesa/main/texgetimage.c @@ -71,14 +71,13 @@ type_with_negative_values(GLenum type) static void get_tex_depth(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, - const struct gl_texture_image *texImage) + struct gl_texture_image *texImage) { const GLint width = texImage->Width; const GLint height = texImage->Height; const GLint depth = texImage->Depth; GLint img, row; GLfloat *depthRow = (GLfloat *) malloc(width * sizeof(GLfloat)); - const GLint texelSize = _mesa_get_format_bytes(texImage->TexFormat); if (!depthRow) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); @@ -86,18 +85,24 @@ get_tex_depth(struct gl_context *ctx, GLuint dimensions, } for (img = 0; img < depth; img++) { + GLubyte *srcMap; + GLint srcRowStride; + + /* map src texture buffer */ + ctx->Driver.MapTextureImage(ctx, texImage, img, + 0, 0, width, height, GL_MAP_READ_BIT, + &srcMap, &srcRowStride); + for (row = 0; row < height; row++) { void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); - const GLubyte *src = (GLubyte *) texImage->Data + - (texImage->ImageOffsets[img] + - texImage->RowStride * row) * texelSize; - + const GLubyte *src = srcMap + row * srcRowStride; _mesa_unpack_float_z_row(texImage->TexFormat, width, src, depthRow); - _mesa_pack_depth_span(ctx, width, dest, type, depthRow, &ctx->Pack); } + + ctx->Driver.UnmapTextureImage(ctx, texImage, img); } free(depthRow); @@ -110,27 +115,35 @@ get_tex_depth(struct gl_context *ctx, GLuint dimensions, static void get_tex_depth_stencil(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, - const struct gl_texture_image *texImage) + struct gl_texture_image *texImage) { const GLint width = texImage->Width; const GLint height = texImage->Height; const GLint depth = texImage->Depth; - const GLint rowstride = texImage->RowStride; - const GLuint *src = (const GLuint *) texImage->Data; GLint img, row; for (img = 0; img < depth; img++) { + GLubyte *srcMap; + GLint rowstride; + + /* map src texture buffer */ + ctx->Driver.MapTextureImage(ctx, texImage, img, + 0, 0, width, height, GL_MAP_READ_BIT, + &srcMap, &rowstride); + for (row = 0; row < height; row++) { + const GLubyte *src = srcMap + row * rowstride; void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); + /* XXX Z24_S8 vs. S8_Z24??? */ memcpy(dest, src, width * sizeof(GLuint)); if (ctx->Pack.SwapBytes) { _mesa_swap4((GLuint *) dest, width); } - - src += rowstride; } + + ctx->Driver.UnmapTextureImage(ctx, texImage, img); } } @@ -141,17 +154,24 @@ get_tex_depth_stencil(struct gl_context *ctx, GLuint dimensions, static void get_tex_ycbcr(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, - const struct gl_texture_image *texImage) + struct gl_texture_image *texImage) { const GLint width = texImage->Width; const GLint height = texImage->Height; const GLint depth = texImage->Depth; - const GLint rowstride = texImage->RowStride; - const GLushort *src = (const GLushort *) texImage->Data; GLint img, row; for (img = 0; img < depth; img++) { + GLubyte *srcMap; + GLint rowstride; + + /* map src texture buffer */ + ctx->Driver.MapTextureImage(ctx, texImage, img, + 0, 0, width, height, GL_MAP_READ_BIT, + &srcMap, &rowstride); + for (row = 0; row < height; row++) { + const GLubyte *src = srcMap + row * rowstride; void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); @@ -168,9 +188,9 @@ get_tex_ycbcr(struct gl_context *ctx, GLuint dimensions, else if (ctx->Pack.SwapBytes) { _mesa_swap2((GLushort *) dest, width); } - - src += rowstride; } + + ctx->Driver.UnmapTextureImage(ctx, texImage, img); } } @@ -221,8 +241,32 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, return; } - _mesa_decompress_image(texFormat, texImage->Width, texImage->Height, - texImage->Data, texImage->RowStride, tempImage); + /* Decompress the texture image - results in 'tempImage' */ + { + GLubyte *srcMap; + GLint srcRowStride; + GLuint bytes, bw, bh; + + bytes = _mesa_get_format_bytes(texImage->TexFormat); + _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); + + ctx->Driver.MapTextureImage(ctx, texImage, 0, + 0, 0, width, height, + GL_MAP_READ_BIT, + &srcMap, &srcRowStride); + + /* XXX This line is a bit of a hack to work around the + * mismatch of compressed row strides as returned by + * MapTextureImage() vs. what the texture decompression code + * uses. This will be fixed in the future. + */ + srcRowStride = srcRowStride * bh / bytes; + + _mesa_decompress_image(texFormat, width, height, + srcMap, srcRowStride, tempImage); + + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + } if (baseFormat == GL_LUMINANCE || baseFormat == GL_LUMINANCE_ALPHA) { @@ -250,7 +294,6 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, } else { /* No decompression needed */ - const GLint texelSize = _mesa_get_format_bytes(texFormat); GLuint img, row; GLfloat (*rgba)[4]; @@ -261,13 +304,19 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, } for (img = 0; img < depth; img++) { + GLubyte *srcMap; + GLint rowstride; + + /* map src texture buffer */ + ctx->Driver.MapTextureImage(ctx, texImage, img, + 0, 0, width, height, GL_MAP_READ_BIT, + &srcMap, &rowstride); + for (row = 0; row < height; row++) { + const GLubyte *src = srcMap + row * rowstride; void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); - const GLubyte *src = (const GLubyte *) texImage->Data + - (texImage->ImageOffsets[img] + - texImage->RowStride * row) * texelSize; _mesa_unpack_rgba_row(texFormat, width, src, rgba); @@ -307,6 +356,9 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, format, type, dest, &ctx->Pack, transferOps); } + + /* Unmap the src texture buffer */ + ctx->Driver.UnmapTextureImage(ctx, texImage, img); } free(rgba); @@ -319,15 +371,13 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, * \return GL_TRUE if done, GL_FALSE otherwise */ static GLboolean -get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type, GLvoid *pixels, - const struct gl_texture_object *texObj, - const struct gl_texture_image *texImage) +get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type, + GLvoid *pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) { GLboolean memCopy = GL_FALSE; - /* Texture image should have been mapped already */ - assert(texImage->Data); - /* * Check if the src/dst formats are compatible. * Also note that GL's pixel transfer ops don't apply to glGetTexImage() @@ -386,20 +436,28 @@ get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type, GLvoid *pixel texImage->Height, format, type, 0, 0); const GLint dstRowStride = _mesa_image_row_stride(&ctx->Pack, texImage->Width, format, type); - const GLubyte *src = texImage->Data; - const GLint srcRowStride = texImage->RowStride * bpp; - GLuint row; + GLubyte *src; + GLint srcRowStride; + + /* map src texture buffer */ + ctx->Driver.MapTextureImage(ctx, texImage, 0, + 0, 0, texImage->Width, texImage->Height, + GL_MAP_READ_BIT, &src, &srcRowStride); if (bytesPerRow == dstRowStride && bytesPerRow == srcRowStride) { memcpy(dst, src, bytesPerRow * texImage->Height); } else { + GLuint row; for (row = 0; row < texImage->Height; row++) { memcpy(dst, src, bytesPerRow); dst += dstRowStride; src += srcRowStride; } } + + /* unmap src texture buffer */ + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); } return memCopy; @@ -409,7 +467,8 @@ get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type, GLvoid *pixel /** * This is the software fallback for Driver.GetTexImage(). * All error checking will have been done before this routine is called. - * The texture image must be mapped. + * We'll call ctx->Driver.MapTextureImage() to access the data, then + * unmap with ctx->Driver.UnmapTextureImage(). */ void _mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level, @@ -419,9 +478,6 @@ _mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level, { GLuint dimensions; - /* If we get here, the texture image should be mapped */ - assert(texImage->Data); - switch (target) { case GL_TEXTURE_1D: dimensions = 1; @@ -433,6 +489,7 @@ _mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level, dimensions = 2; } + /* map dest buffer, if PBO */ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) { /* Packing texture image into a PBO. * Map the (potentially) VRAM-based buffer into our process space so @@ -487,11 +544,11 @@ _mesa_get_compressed_teximage(struct gl_context *ctx, GLenum target, GLint level struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - const GLuint row_stride = _mesa_format_row_stride(texImage->TexFormat, - texImage->Width); - const GLuint row_stride_stored = _mesa_format_row_stride(texImage->TexFormat, - texImage->RowStride); + const GLuint row_stride = + _mesa_format_row_stride(texImage->TexFormat, texImage->Width); GLuint i; + GLubyte *src; + GLint srcRowStride; if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) { /* pack texture image into a PBO */ @@ -507,25 +564,32 @@ _mesa_get_compressed_teximage(struct gl_context *ctx, GLenum target, GLint level img = ADD_POINTERS(buf, img); } + /* map src texture buffer */ + ctx->Driver.MapTextureImage(ctx, texImage, 0, + 0, 0, texImage->Width, texImage->Height, + GL_MAP_READ_BIT, &src, &srcRowStride); + /* no pixelstore or pixel transfer, but respect stride */ - if (row_stride == row_stride_stored) { + if (row_stride == srcRowStride) { const GLuint size = _mesa_format_image_size(texImage->TexFormat, texImage->Width, texImage->Height, texImage->Depth); - memcpy(img, texImage->Data, size); + memcpy(img, src, size); } else { GLuint bw, bh; _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); for (i = 0; i < (texImage->Height + bh - 1) / bh; i++) { memcpy((GLubyte *)img + i * row_stride, - (GLubyte *)texImage->Data + i * row_stride_stored, + (GLubyte *)src + i * srcRowStride, row_stride); } } + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) { ctx->Driver.UnmapBuffer(ctx, ctx->Pack.BufferObj); } -- cgit v1.2.3