Age | Commit message (Collapse) | Author | Files | Lines |
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Needed since wayland-egl doesnt do this anymore.
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Broken with e5c6a92a12b5cd7db205d72039f58d302b0be9d5. (ARB_color_buffer_float)
Clamping should occur if type != float, otherwise the MSBs of the resulting
pixels are killed off. For example, reading back LUMINANCE = R+G+B can be
greater than 0xff, but the result is naturally masked by 0xff
for UNSIGNED_BYTE, leading to bogus results.
The following bug report seems to want clamping to occur if type == half_float
too. Not sure what's correct.
Bug: [bisected pineview] oglc case pxconv-read failed
https://bugs.freedesktop.org/show_bug.cgi?id=35852
Tested by: Fang Xun <xunx.fang@intel.com>
Reviewed-and-tested-by: Ian Romanick <ian.d.romanick@intel.com>
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None of this ever gets used. Fog is always calculated by a fragment
program. Even though the fixed-function fog unit is never used, state
updates are still sent to the hardware. Removing those spurious state
updates can't hurt performance.
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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Fragment programs are generated by core Mesa for fixed-function.
Because of this, there's no reason to handle cases where there is no
fragment program for fog.
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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All drivers expect this to always be GL_NONE. Don't let there be any
opportunity for a bad value to leak out and infect some unsuspecting
driver. If any driver for hardware that had fixed-function
per-fragment fog (i915 and perhaps some r300-ish) was ever going to
add support, it would have done it by now.
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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This patch fixes two bugs related to fog in the fixed-function
fragment shader generation code.
Fog was only lowered to instructions if MRTs were used. The fragment
shader assembler always lowers "fog option" code to instructions, and
many drivers (e.g., r300) expect this.
When fog lowering did happen, it was after the instruction count was
checked against implementation limits. Since fog lowering may add up
to 5 instructions, a program that was below the limits before lowering
may exceed the limits after lowering.
NOTE: This is a candidate for the stable branches.
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Corbin Simpson <MostAwesomeDude@gmail.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
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We should only copy images into the dest texture if the size is correct.
This fixes a failed assertion when finalizing a texture with mis-defined
mipmap levels such as:
level 0: 32x32
level 1: 8x8
Also, fix incorrect mipmap level used in assertion at the top of
copy_image_data_to_texture().
NOTE: This is a candidate for the 7.10 branch.
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Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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Just to keep drivers working.
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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Lots of code (deleted by this patch) tried to make type == result->type,
but not all cases did. Don't pretend; just use result->type.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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We do this OUT_BATCH-style in brw_draw_upload.c.
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Things definitely remaining todo: switch statements, clip distances.
On 965, we also need real integers in the VS, and implementations of
some things like isinf/isnan.
Reviewed-by: Brian Paul <brianp@vmware.com>
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Reviewed-by: Brian Paul <brianp@vmware.com>
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Reviewed-by: Brian Paul <brianp@vmware.com>
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Tested with piglit arb_color_buffer_float-clear.
Reviewed-by: Brian Paul <brianp@vmware.com>
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Tested with piglit arb_color_buffer_float-drawpixels.
Reviewed-by: Brian Paul <brianp@vmware.com>
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For 1 and 2-channel formats the hardware only supports rendering to R
and RG. To do I and L render targets we just call them R and
everything works out. For A, we would need to rewrite the CC to do
the alpha channel's blending on color instead, and send the fragment
alpha down the red channel. For LA, there doesn't seem to be any
hope, because we can't do independent color/alpha blending while
treating the LA surface as RG.
Reviewed-by: Brian Paul <brianp@vmware.com>
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The blitter only does up 32bpp at a time, so we handle it by mangling
coordinates and calling the surface 32bpp.
Fixes ARB_texture_rg/fbo-generatemipmap-formats-float with ARB_texture_float.
Reviewed-by: Brian Paul <brianp@vmware.com>
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Of these, intel will be using I and L initially, and A once we rewrite
fragment shaders and the CC for rendering to it as R.
Reviewed-by: Brian Paul <brianp@vmware.com>
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Reviewed-by: Brian Paul <brianp@vmware.com>
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This covers X_FLOAT16 -> X_FLOAT32, and X -> RGBA_FLOAT32.
Reviewed-by: Brian Paul <brianp@vmware.com>
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Reviewed-by: Brian Paul <brianp@vmware.com>
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Fixes ARB_texture_float/fbo-alphatest-formats.
Reviewed-by: Brian Paul <brianp@vmware.com>
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reinstate b7617346dcff50a66a10c61b95c33682cf629c9e after the
rework in 6067a2a67f9a7aab2aee051469bea8af03747a95.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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Keep track of when the caches are dirty, and only flush them when
the framebuffer state is set and when the context is flushed.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes piglit's draw-instanced-divisor test for softpipe on both
the generic and SSE paths. This is temporary until we have the
correct per-array max_index information.
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Based on Cédric's r6xx/r7xx patch.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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Signed-off-by: Cedric Cano <ccano@interfaceconcept.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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Based on Cedric's r6xx/r7xx patch.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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Signed-off-by: Cedric Cano <ccano@interfaceconcept.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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