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This fixes a bug seen when doing a glDrawPixels(GL_STENCIL_INDEX) right
after a glClear(). The check-for-flush test was failing because we
didn't set the dirty_render_cache flag in softpipe_clear(). So we saw
stale data when we mapped the stencil buffer.
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mesa allocates both frontface and pointcoord registers within the fog
coordinate register, by using swizzling. to make it cleaner and easier
for drivers we want each of them in its own register. so when doing
compilation from the mesa IR to tgsi allocate new registers for both
and add new semantics to the respective declarations.
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The alpha value wasn't set at all before so we got unpredictable results.
Note that we don't currently obey GL_DEPTH_TEXTURE_MODE in the state
tracker. For now, we return the result in the default mode (r,r,r,1).
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For some triangles we can generate quads which lie just outside the
surface bounds. Just check the quad's mask before trying to emit/process
the quad.
Fixes failed assertion in Lightsmark.
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Render results are only visible when the render cache is flushed.
softpipe_is_texture_referenced must reflect that or transfers to/from the
textures bound in the framebuffer won't be proceeded of the necessary
flush, causing transfer data to be outdated/clobbered.
This fixes conform drawpix test with softpipe.
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Because of flat shading, we can't use same code as PIPE_PRIM_TRIANGLE_FAN.
This is a follow-on to commit a59575d8fbe8b0ca053cc8366ce7a42bc660158a.
(cherry picked from commit 086ecea179ed572c89aa77c5f465671a5cef87a7)
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This fixes incorrect front/back-face orientation.
(cherry picked from commit a64bbdaa3e0b036a880d6db65ceb4a66205062f1)
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This fixes the incorrect colors seen when rendering flat-shaded polygons.
Note that clipped polygons were correct, but unclipped polygons were wrong.
See the glean/clipFlat test for regression testing.
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This allows the engine demo to run again (avoid crash in VBO code).
This stuff still needs to be revisited someday though...
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Return the conservative PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE
value for now.
This fixes a bunch of regressions seen in piglit and glean.
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Not used by softpipe anyway.
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Also implement context member functions to optimize away those
flushes whenever possible.
Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
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Only allows clearing currently bound buffers, but colour and depth/stencil in
a single call.
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And print/warn NaN/Inf in print_vertex().
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This was used to indicate OpenGL's lower-left origin for fragment window
coordinates for polygon stipple and gl_FragCoord.
Now:
- fragment coordinate origin is always upper-left corner
- GL polygon stipple is inverted and shifted before given to gallium
- GL fragment programs that use INPUT[WPOS] are modified to use an
inverted window coord which is placed in a temp register.
Note: the origin_lower_left field still exists in pipe_rasterizer_state.
Remove it when all the drivers, etc. no longer reference it.
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Need to null-out pointers after freeing transfer objects.
Fix mix-ups between tc->transfer and tc->tex_trans fields.
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This fixes a number of crashes/regressions in programs such as lodbias.c,
mipmap_limits.c, etc.
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Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
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Any driver who needs a copy of the shader tokens must organize to
do so itself. This has been the case for a long time, but there
was still defensive code in the state tracker, which is now removed.
Any bugs resulting from this need to be fixed in the offending driver...
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I should have gotten most uses and implementation
correctly fixed, but things might break.
Feel free to blame me.
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This reverts commit 6db24f449de9cc81e1f7bb2dde55a9819463d5e5.
With a null ptr check in align_free() this is no longer needed.
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Fixes GALLIUM_NOCELL path. See bug 20475.
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The core reference counting code is centralized in p_refcnt.h.
This has some consequences related to struct pipe_buffer:
* The screen member of struct pipe_buffer must be initialized, or
pipe_buffer_reference() will crash trying to destroy a buffer with reference
count 0. u_simple_screen takes care of this, but I may have missed some of
the drivers not using it.
* Except for rare exceptions deep in winsys code, buffers must always be
allocated via pipe_buffer_create() or via screen->*buffer_create() rather
than via winsys->*buffer_create().
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The template makefile that most libraries in
gallium included was based on dri and had a bunch
unrelevant junk in it.
Update it and improve the depending makefiles.
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Conflicts:
src/gallium/drivers/softpipe/sp_tile_cache.c
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Conflicts:
src/mesa/state_tracker/st_cb_accum.c
src/mesa/state_tracker/st_cb_drawpixels.c
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Use a somewhat better function in tex_cache_pos() to get better caching.
Increase number of cache entries to 50.
Also fix a texture invalidation bug. If texture is marked as modified,
invalidate all texture tiles.
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A lot more test programs work.
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