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This is much easier to work with, and allows use to get rid of some of the
literal handling hacks.
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This only works on r600/r700 so far, evergreen doesn't appear
to have the multiwrite enable bit in the color control, so we
may have to actually do a shader rewrite on EG hardware.
remove some duplicate code reg defines also.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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Avoid rebuilding constant shader state at each draw call,
factor out spi update that might change at each draw call.
Best would be to update spi only when revealent states
change (likely only flat shading & sprite point).
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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Use fetch shader instead of having fetch instruction in the vertex
shader. Allow to restrict shader update to a smaller part when
vertex buffer input layout changes.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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On evergreen, interpolation has moved into the fragment shader,
with the interpolation parmaters being passed via GPRs and LDS entries.
This works out the number of interps required and reserves GPR/LDS
storage for them, it also correctly routes face/position values which
aren't interpolated from the vertex shader.
Also if we noticed nothing is to be interpolated we always setup perspective
interpolation for one value otherwise the GPU appears to lockup.
This fixes about 15 piglit tests on evergreen.
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TGSI tells us when to use this, its not hooked up from GLSL to MESA to TGSI yet though.
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since we plan on using dx10 constant buffers everywhere.
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Avoid using r600_screen structure to get ptr to radeon
winsys structure.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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DX9 constants were in the constant file, and evergreen no longer support
cfile. r600/700 can also use constants in memory buffers, so add the code
(disabled for now) to enable that as precursor for evergreen.
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passes glsl1-discard tests
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Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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I am not sure how to properly handle flat shading regarding
non color parameter to fragment shader. It seems we should
still interpolate non color using linear interpolation and
flat shade only apply to color.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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Writing a compiler is time consuming and error prone in
order to allow r600g to further progress in the meantime
i wrote a simple tgsi assembler, it does stupid thing but
i would rather keep the code simple than having people
trying to optimize code it does.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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some of the ALU instructions are different on r6xx vs r7xx,
separate the alu translation to separate files, and use family
to pick which compile stage to use.
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before this change, r600 glxinfo segfaulted in the list code, and I wasn't
debugging another linked list implementation, its 2010 after all.
So add the two missing list macros to the gallium header from X.org list header file (after fixing them), then port all r600 lists to the new header.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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What was the purpose of it?
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Change the way we translate from c_compiler to the
asic specific representation. Should make things
simpler.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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