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Finished up by Marek Olšák.
We can set the constant space to use a different area per-call to the shader,
we can avoid flushing the PVS as often as we do by spreading out the constants
across the whole constant space.
Signed-off-by: Marek Olšák <maraeo@gmail.com>
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It appears to be a constant buffer index (in case there are more constant
buffers explicitly used by a shader), i.e. something that Gallium currently
does not use. We treated it incorrectly as the offset to a constant buffer.
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Silences this GCC warning.
noop_state.c:247: warning: no previous prototype for
'noop_init_state_functions'
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rgb_src_factor and rgb_dst_factor should be PIPE_BLENDFACTOR_ONE for
VG_BLEND_SRC_IN and VG_BLEND_DST_IN respectively. VG_BLEND_SRC_OVER can
be supported only when the fb has no alpha channel. VG_BLEND_DST_OVER
and VG_BLEND_ADDITIVE have to be supported with a shader.
Note that Porter-Duff blending rules assume premultiplied alpha.
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TEMP[1].w will be needed for OUT.w just below. Use TEMP[0] to store the
intermediate value.
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Fixes this GCC warning.
api_filters.c: In function 'execute_filter':
api_filters.c:184: warning: 'tex_wrap' may be used uninitialized in this function
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Convert color values to and back from premultiplied form for blending.
Finally the rendering result of the blend demo looks much closer to that
of the reference implementation.
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Drawing an image in VG_DRAW_IMAGE_STENCIL mode produces per-channel
alpha for use in blending. Add a new shader stage to produce and save
it in TEMP[1].
For other modes that do not need per-channel alpha, the stage does
MOV TEMP[1], TEMP[0].wwww
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Masking should happen after blending. The shader is not entirely
correct, but leave it as is for now.
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Add a helper function, blend_generic, that supports all blend modes and
per-channel alpha. Make other blend generators a wrapper to it.
Both the old and new code expects premultiplied colors, yet the input is
non-premultiplied. Per-channel alpha is also not used for stencil
image. They still need to be fixed.
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-D__STDC_CONSTANT_MACROS and -D__STDC_LIMIT_MACROS are only needed for
LLVM build.
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.. instead of calling r500_index_bias_supported(..) every draw call.
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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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Aim is to build as little state as possible in draw functions.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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Fixes http://bugs.freedesktop.org/show_bug.cgi?id=32070
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Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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It was done in path-to-polygon conversion. That meant that the
results were invalidated when the transformation was modified, and CPU
had to recreate the vertex buffer with new vertices. It could be a
performance hit for apps that animate.
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r600g might need something like that as well. This speeds up constant buffer
upload a bit.
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Small perf improvement in ipers.
radeon_drm_get_cs_handle is exactly what this commit tries to avoid
in every write_reloc.
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The field was redundant. Use the gallivm->builder value instead.
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The other drivers need to be updated to do this, too.
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Fixes nasty bug where some parts of the code didn't define WIN32_THREADS
and were using the integer mutex implementation, causing even confusion
to the debuggers.
And there is little interest of other thread implemenation on Win32
besides Win32 threads.
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To prevent a dangling pointer dereference.
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Broken since 4c7001462607e6e99e474d6271dd481d3f8f201c.
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A polygon array is an array of pointers to polygons. The polygons
should be freed with the array.
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