summaryrefslogtreecommitdiffstats
path: root/src/mesa/main/texgetimage.c
diff options
context:
space:
mode:
authorChia-I Wu <[email protected]>2010-01-12 11:25:02 +0800
committerChia-I Wu <[email protected]>2010-01-12 11:25:02 +0800
commit562c127693200822f04a145db50add1be2425d7b (patch)
tree9441774fb212b17ddf2a364f06abc43f166cc00b /src/mesa/main/texgetimage.c
parente5d351dcfde58777162552cf5cd2a9cd8299f4cd (diff)
parent077d6dd7508af88509dd0499c5dfbdaa186b4015 (diff)
Merge branch 'master' into opengl-es-v2
Conflicts: src/mesa/main/dd.h
Diffstat (limited to 'src/mesa/main/texgetimage.c')
-rw-r--r--src/mesa/main/texgetimage.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c
index 4b0915b3b2a..d7943eaa1e9 100644
--- a/src/mesa/main/texgetimage.c
+++ b/src/mesa/main/texgetimage.c
@@ -79,7 +79,7 @@ get_tex_color_index(GLcontext *ctx, GLuint dimensions,
for (img = 0; img < depth; img++) {
for (row = 0; row < height; row++) {
- GLuint indexRow[MAX_WIDTH];
+ GLuint indexRow[MAX_WIDTH] = { 0 };
void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
width, height, format, type,
img, row, 0);
@@ -535,10 +535,11 @@ _mesa_get_compressed_teximage(GLcontext *ctx, GLenum target, GLint level,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- const GLuint size = _mesa_format_image_size(texImage->TexFormat,
- texImage->Width,
- texImage->Height,
- texImage->Depth);
+ 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);
+ GLuint i;
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
/* pack texture image into a PBO */
@@ -554,8 +555,24 @@ _mesa_get_compressed_teximage(GLcontext *ctx, GLenum target, GLint level,
img = ADD_POINTERS(buf, img);
}
- /* just memcpy, no pixelstore or pixel transfer */
- _mesa_memcpy(img, texImage->Data, size);
+ /* no pixelstore or pixel transfer, but respect stride */
+
+ if (row_stride == row_stride_stored) {
+ const GLuint size = _mesa_format_image_size(texImage->TexFormat,
+ texImage->Width,
+ texImage->Height,
+ texImage->Depth);
+ _mesa_memcpy(img, texImage->Data, 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,
+ row_stride);
+ }
+ }
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,