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This should make it easier to cross-reference the code and hardware
documentation, as well as clear up any confusion on whether constants
like CMD_3D_WM_STATE mean WM_STATE (pre-gen6) or 3DSTATE_WM (gen6+).
This does not rename any pre-gen6 defines.
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This matches how we did the math instructions pre-gen6, though it
applies to non-math as well.
Fixes vp1-LIT test 2 (degenerate case: 0 ^ 0 -> 1)
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This can significantly ease thinking about the asm.
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Be sure polygon stipple mode is updated. This fixes 'gamma' demo.
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It was only used for gen6 fragment programs (not GLSL shaders) at this
point, and it was clearly unsuited to the task -- missing opcodes,
corrupted texturing, and assertion failures hit various applications
of all sorts. It was easier to patch up the non-glsl for remaining
gen6 changes than to make brw_wm_glsl.c complete.
Bug #30530
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The FS backend is fine with register level granularity. But for the
brw_wm_emit.c backend, it expects pairs of regs to be used for the
constants, because the whole world is pairs of regs. If an odd number
got used, we went looking for interpolation in the wrong place.
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Fix compiz crash.
https://bugs.freedesktop.org/show_bug.cgi?id=31124
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This fixes some insanity that would otherwise be required for GLSL
1.30 bit ops or gen6 integer uniform operations in general, at the
cost of upload-time pain. Given that we only have that pain because
mesa's mangling our integer uniforms to be floats, this something that
should be fixed outside of the shader codegen.
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Fixes glsl-fs-uniform-array-5, but not 6 which fails in ir_to_mesa.
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This should reduce the cost of generating shadow maps, for example.
No performance difference measured in nexuiz, though it does trigger
this path.
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These were for debugging in bringup. Now that relatively complicated
apps are working, they haven't helped debug anything in quite a while.
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We would compute a new buffer, but never point the hardware at the new
buffer. This partially fixes glsl-routing, as now it get the updated
uniform for which attribute to draw.
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Sending down data that doesn't get read doesn't make any sense, and
would make handling things like gl_FrontFacing and gl_PointCoord
harder.
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Things are simpler these days thanks to barycentric interpolation
parameters being handed in in the payload.
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Fixes glsl-algebraic-add-add-1.
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1. Move all GL entrypoint functions and files into src/mesa/main/
This includes the ARB vp/vp, NV vp/fp, ATI fragshader and GLSL bits
that were in src/mesa/shader/
2. Move src/mesa/shader/slang/ to src/mesa/slang/ to reduce the tree depth
3. Rename src/mesa/shader/ to src/mesa/program/ since all the
remaining files are concerned with GPU programs.
4. Misc code refactoring. In particular, I got rid of most of the
GLSL-related ctx->Driver hook functions. None of the drivers used
them.
Conflicts:
src/mesa/drivers/dri/i965/brw_context.c
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Shaves 60k off the driver from removing the broken spans code. This
means we now require 2.6.29, which seems fair given that it's a year
old and we've removed support for non-KMS already in the last release
of 2D.
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There's a BUN for the WM unit that says WM_STATE must immediately
follow PS_CONSTANTS, which this addresses. Presumably other units are
roughly the same, too.
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