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Wine likes to create a *lot* of constants, exceeding the size of the constant
file in hw.
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Also rename "compiler" to "c".
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i.e. relative addressing (mainly FS), saturate modifiers, exceeding
the maximum number of constants.
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If there is relative addressing of temporaries, we cannot change register
indices, so skip register allocation entirely. To utilize register allocation
at least partially, we need separate indexable and non-indexable register
files in both TGSI and Mesa IR.
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The spec specifically sets the minimum MAX_SAMPLES at 1 to allow exposing
the extension on all implementations, so do so.
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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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My merge of Zhenyu's patch on top of my previous patches broke it by
my code expecting simd16 single write and Zhenyu's simd8 path being
disabled by mine. Merge the two for success.
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The docs claim two conflicting things: One, that a scalar source is
supported. Two, source hstride must be 1 and width must be exec size.
So splat a constant argument out into a full reg to operate on, since
violating the second set of constraints is clearly failing.
The alternative here might be to do a 1-wide exec on a constant
argument for math1. It would probably save cycles too. But I'll
leave that for the glsl2-965 branch.
Fixes glsl-algebraic-div-one-2.shader_test.
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Fixes glsl-algebraic-add-add-1.
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Only 8 out of the up to 13 regs are for source/dest depth, so the name
wasn't particularly appropriate. Note that this doesn't count the
constant or URB payload regs. Also, don't pre-divide by 2, so it's
actually a number of registers.
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Whenever the accumulator results are needed, this bit must be set.
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This makes reading the code easier when matching up to the specs,
which also use this format.
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The SIMD16 message no longer has the goofy interleaved format that
made Compr4 compression necessary before.
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If we hit the linear blit path, we'd come up with a pitch of 0, then
divide by zero.
Fixes vbo-subdata-zero, made for bug #28931 (warsow).
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format ‘%d’ expects type ‘int’, but argument 2 has type ‘long int’
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Otherwise, we might end up with the if stack pointing at the wrong
place. Fixes GPU hang with glsl-vs-if-loop.
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Fixes glsl-vs-if-nested (70.0 is not <= 70.000648 thanks to the
swizzle bits getting set). Some safety checks are added to make sure
this doesn't happen again as we increase the usage of immediate values
in program generation.
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Hooray, we can valgrind again without adding suppressions. This also
adds an interface for use by an implementation of
glReleaseShaderCompiler().
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We'll need to use the HALT instruction to do this right, like returns
from other functions.
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Fixes glsl-fs-sign and many of the tests of trig builtins.
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Fixes glsl-unused-varying and many others, since we produce an output
reg read any time gl_FragColor is written inside an if statement.
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Fixes glsl-fs-dot-vec2.
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Now that we have glsl2 with if flattening in place, most shaders will
just work. Remaining failing shaders will mostly be due to loop
unrolling (in progress), some possible if flattening failures in
inlining functions (planning on fixing), and the register/instruction
count limits.
While the GLSL and GLSL-ES specs say that shaders shouldn't fail to
compile/link due to register/instruction limits, in practice we're not
the first vendor to expose GLSL on hardware with these limitations.
The benefit to application developers of providing a better language
for GPU programming is greater than the pain of having to handle
instruction limits (which they had to for ARB_fp on this hardware
anyway)
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with glsl2, reads from outputs are legal
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Fixes glsl-vs-dot-vec2.
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This saves an extra message reg move in the program, though I'm not
clear on whether it will have any performance impact other than cache
footprint. It will also fix those math calls on Sandybridge, where
the brw_eu_emit.c brw_math() support relies on the implied move being
used.
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Conflicts:
src/mesa/program/prog_optimize.c
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- set VGT_MAX_VTX_INDX to a larger value
- emit PA_SC_AA_CONFIG. The command checker in 2.6.36+
requires this reg.
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'struct dd_function_table' only conditionally contains
the function pointer NewFramebuffer and friends based on
FEATURE_EXT_framebuffer_* defines. (See src/mesa/main/dd.h)
Fixes the build when the features are disabled and the vfuncs
don't exist.
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'struct dd_function_table' only conditionally contains
the function pointer NewFramebuffer and friends based on
FEATURE_EXT_framebuffer_* defines. (See src/mesa/main/dd.h)
Fixes the build when the features are disabled and the vfuncs
don't exist.
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