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authorEric Anholt <[email protected]>2011-04-15 18:15:59 -0700
committerEric Anholt <[email protected]>2011-04-20 10:35:42 -0700
commit0bbbeba2db0f3fd382d2f591bebc248c5ed40fb5 (patch)
tree1a3b202e92d1813535c6d782148075ab4939d7f4 /src/mesa/drivers/dri
parentb31a99367ca374e58ce8dda8a826e71fa9a922f3 (diff)
intel: Add support for blit copies of >32bpp formats.
The blitter only does up 32bpp at a time, so we handle it by mangling coordinates and calling the surface 32bpp. Fixes ARB_texture_rg/fbo-generatemipmap-formats-float with ARB_texture_float. Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r--src/mesa/drivers/dri/intel/intel_blit.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_blit.c b/src/mesa/drivers/dri/intel/intel_blit.c
index 487c9ea7818..579a45b5aaf 100644
--- a/src/mesa/drivers/dri/intel/intel_blit.c
+++ b/src/mesa/drivers/dri/intel/intel_blit.c
@@ -146,6 +146,17 @@ intelEmitCopyBlit(struct intel_context *intel,
src_pitch *= cpp;
dst_pitch *= cpp;
+ /* For big formats (such as floating point), do the copy using 32bpp and
+ * multiply the coordinates.
+ */
+ if (cpp > 4) {
+ assert(cpp % 4 == 0);
+ dst_x *= cpp / 4;
+ dst_x2 *= cpp / 4;
+ src_x *= cpp / 4;
+ cpp = 4;
+ }
+
BR13 = br13_for_cpp(cpp) | translate_raster_op(logic_op) << 16;
switch (cpp) {