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For some env modes (like modulate or replace) we don't have to clamp
because we know the results will be in [0,1].
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When no textures are enabled, the key size is 4 bytes. If unit[0] is
enabled, the key size is 16 bytes.
Inspired by a patch from Chris Wilson.
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This reverts commit 4b08e7498230eac30eea1721f33994b30999acd4.
Don't know what I was thinking there.
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It would be nice if there were a #pragma or something to disable the warnings:
main/texenvprogram.c:87: warning: type of bit-field ‘Source’ is a GCC extension
main/texenvprogram.c:88: warning: type of bit-field ‘Operand’ is a GCC extension
but there doesn't appear to be a way to do that.
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By rearranging the bitfields within the key we can reduce the size
of the key from 644 to 196 bytes, reducing the cost of both the
hashing and equality tests.
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We need to clamp/saturate after each texenv stage, not just the last one.
Fixes glean texEnv failure for softpipe (and probably other fragment program-
based drivers).
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The _TriangleCaps bit is deprecated, not updated when we require, and
is set based on state that hasn't been updated at that point in
_mesa_update_state_locked().
Fixes incorrect clear color in glsl/twoside.c with meta_clear_tris.
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I started looking into why _NEW_ARRAY punishes us, and while annotating
dependencies noticed that a bunch of dependencies were missing.
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There's really no need for two negation fields. This came from the
GL_NV_fragment_program extension. The new, unified Negate bitfield applies
after the absolute value step.
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Use MAX_COMBINER_TERMS instead of 4.
Rename some vars.
Update comments.
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add new entrypoints, new texture format, etc
translate in texenvprogram.c for drivers using the mesa-generated tex env
fragment program
also handled in swrast, but not tested (cannot work due to negative texel
results not handled correctly)
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s/FRAG_RESULT_DEPR/FRAG_RESULT_DEPTH/
s/FRAG_RESULT_COLR/FRAG_RESULT/COLOR/
Remove FRAG_RESULT_COLH (NV half-precision) output since we never used it.
Next, we might merge the COLOR and DATA outputs (COLOR0, COLOR1, etc).
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If the instruction is TEX/TXP/TXL/etc the TexShadow field will be true if
the instruction is a texture fetch with shadow compare.
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This is the big merge of the gallium-0.2 branch into master.
gallium-master-merge was just the staging area for it.
Both gallium-0.2 and gallium-master-merge are considered closed now.
Conflicts:
progs/demos/Makefile
src/mesa/main/state.c
src/mesa/main/texenvprogram.c
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Merge commit 'origin/gallium-0.2' into gallium-master-merge
Conflicts:
Makefile
docs/relnotes-7.4.html
docs/relnotes.html
src/mesa/drivers/dri/i965/brw_wm.h
src/mesa/main/imports.c
src/mesa/main/mtypes.h
src/mesa/main/texcompress.c
src/mesa/main/texenvprogram.c
src/mesa/main/version.h
src/mesa/vbo/vbo_exec_api.c
src/mesa/vbo/vbo_save_draw.c
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Expand struct fields, increase loops and handle new 4-term ADD modes.
Plus, some new assertions to catch switch/default cases that may be incorrect.
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Conflicts:
src/mesa/main/ffvertex_prog.c
src/mesa/main/texenvprogram.c
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The max texture coord units is still 8. All the fixed-function paths are
still limited to 8 too. But GLSL shaders can use more samplers now.
Note that some texcoord-related data structures are declared to be 16
elements in size rather than 8. This just simplifies the code in a few
places; the extra elements aren't accessible to the user.
These changes haven't been extensively tested yet, but sanity checking has
been done.
It should be possible to increase the max image units/samplers to 32 without
doing anything special. Beyond that we'll need longer bitfields in a few
places.
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As advised by gcc -pedantic.
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get_fp_input_mask()
This is a work-around the for the fact that we do fragment shader state
validation before vertex shader validation (see comments in state.c) so in
get_fp_input_mask() we can't rely on ctx->VertexProgram._Current being up to
date yet.
This fixes a glean glsl1 test failure.
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The problem we're solving only occured when there was a user-defined
vertex shader but no fragment shader. Check for that case now.
Fixes glean api2 vertex array failure.
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This reverts commit 8dc88cb64305c591dfadded2b5acbb1e6b04cd7f.
This change broke other things...
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We were accidentally using the fixed-function logic when a vertex shader was
being used.
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texture comparison logic is bypassed if the currently bound texture is not
a depth/depth_stencil texture.
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Conflicts:
src/gallium/auxiliary/rtasm/rtasm_execmem.c
src/mesa/shader/slang/slang_emit.c
src/mesa/shader/slang/slang_log.c
src/mesa/state_tracker/st_atom_framebuffer.c
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enabled
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Conflicts:
src/mesa/main/context.c
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Patch provide by Keith.
Used in state tracker by DrawPixels to indicate that the state tracker (driver)
is using its own vertex program. This prevents the texenvprogram code from
replacing conventional shader inputs with state vars.
Fixes glDraw/CopyPixels regressions.
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