diff options
Diffstat (limited to 'src/mesa/main/teximage.c')
| -rw-r--r-- | src/mesa/main/teximage.c | 163 |
1 files changed, 5 insertions, 158 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 127e9bf5693..a98771311d2 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1902,7 +1902,6 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, const struct gl_texture_object *texObj; const struct gl_texture_image *texImage; GLint maxLevels = 0; - GLuint dimensions; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); @@ -1979,127 +1978,9 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, return; } - dimensions = (target == GL_TEXTURE_3D) ? 3 : 2; - - /* XXX - someday the rest of this function should be moved into a - * fallback routine called via ctx->Driver.GetTexImage() - */ - - if (ctx->Pack.BufferObj->Name) { - /* pack texture image into a PBO */ - GLubyte *buf; - if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width, - texImage->Height, texImage->Depth, - format, type, pixels)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetTexImage(invalid PBO access)"); - return; - } - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, - GL_WRITE_ONLY_ARB, - ctx->Pack.BufferObj); - if (!buf) { - /* buffer is already mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION,"glGetTexImage(PBO is mapped)"); - return; - } - pixels = ADD_POINTERS(buf, pixels); - } - else if (!pixels) { - /* not an error */ - return; - } - - /* - * XXX Move this code into a new driver fall-back function - */ - { - const GLint width = texImage->Width; - const GLint height = texImage->Height; - const GLint depth = texImage->Depth; - GLint img, row; - for (img = 0; img < depth; img++) { - for (row = 0; row < height; row++) { - /* compute destination address in client memory */ - GLvoid *dest = _mesa_image_address( dimensions, &ctx->Pack, pixels, - width, height, format, type, - img, row, 0); - assert(dest); - - if (format == GL_COLOR_INDEX) { - GLuint indexRow[MAX_WIDTH]; - GLint col; - /* Can't use FetchTexel here because that returns RGBA */ - if (texImage->TexFormat->IndexBits == 8) { - const GLubyte *src = (const GLubyte *) texImage->Data; - for (col = 0; col < width; col++) { - indexRow[col] = src[texImage->Width * - (img * texImage->Height + row) + col]; - } - } - else if (texImage->TexFormat->IndexBits == 16) { - const GLushort *src = (const GLushort *) texImage->Data; - for (col = 0; col < width; col++) { - indexRow[col] = src[texImage->Width * - (img * texImage->Height + row) + col]; - } - } - else { - _mesa_problem(ctx, - "Color index problem in _mesa_GetTexImage"); - } - _mesa_pack_index_span(ctx, width, type, dest, - indexRow, &ctx->Pack, - 0 /* no image transfer */); - } - else if (format == GL_DEPTH_COMPONENT) { - GLfloat depthRow[MAX_WIDTH]; - GLint col; - for (col = 0; col < width; col++) { - (*texImage->FetchTexelf)(texImage, col, row, img, - depthRow + col); - } - _mesa_pack_depth_span(ctx, width, dest, type, - depthRow, &ctx->Pack); - } - else if (format == GL_YCBCR_MESA) { - /* No pixel transfer */ - const GLint rowstride = texImage->RowStride; - MEMCPY(dest, - (const GLushort *) texImage->Data + row * rowstride, - width * sizeof(GLushort)); - /* check for byte swapping */ - if ((texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR - && type == GL_UNSIGNED_SHORT_8_8_REV_MESA) || - (texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV - && type == GL_UNSIGNED_SHORT_8_8_MESA)) { - if (!ctx->Pack.SwapBytes) - _mesa_swap2((GLushort *) dest, width); - } - else if (ctx->Pack.SwapBytes) { - _mesa_swap2((GLushort *) dest, width); - } - } - else { - /* general case: convert row to RGBA format */ - GLfloat rgba[MAX_WIDTH][4]; - GLint col; - for (col = 0; col < width; col++) { - (*texImage->FetchTexelf)(texImage, col, row, img, rgba[col]); - } - _mesa_pack_rgba_span_float(ctx, width, - (const GLfloat (*)[4]) rgba, - format, type, dest, &ctx->Pack, - 0 /* no image transfer */); - } /* format */ - } /* row */ - } /* img */ - } - - if (ctx->Pack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, - ctx->Pack.BufferObj); - } + /* typically, this will call _mesa_get_teximage() */ + ctx->Driver.GetTexImage(ctx, target, level, format, type, pixels, + texObj, texImage); } @@ -3394,40 +3275,6 @@ _mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img) return; } - /* XXX - someday the rest of this function should be moved into a - * fallback routine called via ctx->Driver.GetCompressedTexImage() - */ - - if (ctx->Pack.BufferObj->Name) { - /* pack texture image into a PBO */ - GLubyte *buf; - if ((const GLubyte *) img + texImage->CompressedSize > - (const GLubyte *) ctx->Pack.BufferObj->Size) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetCompressedTexImage(invalid PBO access)"); - return; - } - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, - GL_WRITE_ONLY_ARB, - ctx->Pack.BufferObj); - if (!buf) { - /* buffer is already mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetCompressedTexImage(PBO is mapped)"); - return; - } - img = ADD_POINTERS(buf, img); - } - else if (!img) { - /* not an error */ - return; - } - - /* just memcpy, no pixelstore or pixel transfer */ - MEMCPY(img, texImage->Data, texImage->CompressedSize); - - if (ctx->Pack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, - ctx->Pack.BufferObj); - } + /* this typically calls _mesa_get_compressed_teximage() */ + ctx->Driver.GetCompressedTexImage(ctx, target, level, img, texObj,texImage); } |