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drivers storing compressed textures with non-native stride but relying on
_mesa_get_compressed_teximage for GetCompressedTexImage otherwise won't
work correctly (for instance i965 compressed mipmaps).
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Fixes `xlib' driver build on AIX.
Signed-off-by: Brian Paul <brianp@vmware.com>
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The padding was there to indicate the amount of space left from the
number of expected bytes in the struct minus allocated bits. But
uint bitfields get packed so that they don't cross uint boundaries, and we
ended up allocating an extra dword to hold the pad field!
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One of the PACK_COLOR_88 cases was left over from copying
_mesa_texstore_al88 to _mesa_texstore_al1616.
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Add a GLbitfield64 type and several macros to operate on 64-bit
fields. The OutputsWritten field of gl_program is changed to use that
type. This results in a fair amount of fallout in drivers that use
programs.
No changes are strictly necessary at this point as all bits used are
below the 32-bit boundary. Fairly soon several bits will be added for
clip distances written by a vertex shader. This will cause several
bits used for varyings to be pushed above the 32-bit boundary. This
will affect any drivers that support GLSL.
At this point, only the i965 driver has been modified to support this
eventuality.
I did this as a "squash" merge. There were several places through the
outputswritten64 branch where things were broken. I foresee this
causing difficulties later for bisecting. The history is still
available in the branch.
Conflicts:
src/mesa/drivers/dri/i965/brw_wm.h
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All of this functionality is already included in ARB_fbo. This just
enables the string.
I was a bit lazy in using FEATURE_ARB_framebuffer_object for this
feature as well. I don't think it makes much difference in the long run.
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GL_EXT_packed_depth_stencil is a functional superset of
GL_NV_packed_depth_stencil. If a driver enables EXT_pds, make NV_pds
available as well.
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We don't need to call ctx->Driver.GenerateMipmap() if we're updating
a texture level >= MAX_LEVEL.
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Before, we weren't aggressive enough in checking for the start or end
of render-to-texture. In particular, if only the ctx->ReadBuffer had
texture attachments, we were treating that as a render-to-texture case.
This fixes a regression from commit 75bdbdd90b15c8704d87ca195a364ff6a42edbb1
"intel: Don't validate in a texture image used as a render target."
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This is probably not 100% complete (bind vs unbind may still not pair up
exactly), but it should help out drivers which are relying on
FinishRenderTexture to be called when we're done rendering to a particular
texture level, not just when we're done rendering to the object at all.
This is the case for the one consumer of FinishRenderTexture() so far: the
gallium state tracker. Noticed when trying to make use of FRT() in the intel
driver.
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This should fix the memory leaks in the assembly parser without the
regressions.
The conflicts in program_lexer.l were related to changes in returning
strings between the branches (always return IDENTIFIER vs. returing
either IDENTIFIER or USED_IDENTIFIER).
The conflicts in program_parse.y were related to two changes in master
One change prints a variable name in an error message. The other
change adds outputVarSize to the OUTPUT_statement rule. The cause the
position of the IDENTIFIER to change from $2 to $3.
Conflicts:
src/mesa/shader/lex.yy.c
src/mesa/shader/program_lexer.l
src/mesa/shader/program_parse.tab.c
src/mesa/shader/program_parse.y
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Fixes bug 24946.
This regression came from 8df699b3bb1aa05b633f05b121d09d812c86a22d.
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Conflicts:
src/mesa/drivers/windows/gdi/mesa.def
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Revised version of a patch from Karl Schultz.
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Signed-off-by: Brian Paul <brianp@vmware.com>
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Remove some unneeded flushes.
Replace FLUSH_CURRENT w/ FLUSH_VERTICES in other places.
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