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Fixes a use-after-free reported in
http://bugs.freedesktop.org/show_bug.cgi?id=20539, so this possibly fixes that
bug. It has been confirmed to fix
http://bugs.freedesktop.org/show_bug.cgi?id=17895 .
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RV410 SE chips only have 1 quadpipe.
Also, handle other R300 chip with quadpipe override
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Make the use_const_buffer field per-program and only call the code which
updates the constant buffer's data if the flag is set.
This should undo the perf regression from 20f3497e4b6756e330f7b3f54e8acaa1d6c92052
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This interface gives the driver two important features. First, it can
allocate the (fake) front-buffer only when needed. Second, it can
tell the buffer allocator the format of buffers being allocated. This
enables support for back-buffer and depth-buffer with different bits
per pixel.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kristian Høgsberg <krh@redhat.com>
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dri_bo_subdata()
This wraps up the unfinished business from commit a9a363f8298e9d534e60e3d2869f8677138a1e7e
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need to clamp point size to user set min/max values, even for constant
point size. Fixes glean pointAtten test.
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The drm_intel_gem_bo_map_gtt() call that replaced dri_bo_map() is
producing errors like:
intel_bufmgr_gem.c:689: Error preparing buffer map 39 (vp_const_buffer): Invalid argument .
and returning NULL, causing a segfault in the memcpy().
Just reverting until we can get to the root issue...
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forgot to commit the changes to actually support 4x aniso filtering...
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Also fixes drawing to 3D texture depth levels.
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This is a CPU win in general, but in particular reduces the pain of
Mesa's calculation of min/max indices in DrawElements (wtf?).
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i915 actually supports up to 4 (according to header file - not tested),
i965 up to 16 (code already handled this but slightly broken), so don't use 2
for all chips, even though angular dependency is very high.
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Fixes a regression from commit 2c30fd84dfa052949a117c78d932b58c1f88b446
seen with DRI1.
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Fixes gearsvbo app by Michael Clark.
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Fixes progs/glsl/skinning.c demo.
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The READ message's msg_control value can be 0 or 1 to indicate that the
Oword should be read into the lower or upper half of the target register.
It seems that the other half of the register gets clobbered though. So
we read into two dest registers then use a MOV to combine the upper/lower
halves.
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Now that we have real constant buffers, the demands on the CURBE are lessened.
When we use real VS/WM constant buffers we only use the CURBE for clip planes.
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These LOD bias updates are covered by the texture state uploads in
*_texstate.c now.
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Also enable them all regardless of screen bpp, as 32 bpp what I've been
testing against, and haven't been able to detect any screen bpp-specific
troubles with them.
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For some reason, MOV instructions using immediate src values don't seem
to work reliably on the GLSL path. Disable them for now (falling back to
const buffer reads). This fixes a bunch of glean glsl1 failures.
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A scatter-read should be possible, but we're just using two READs for
the time being.
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Calls to release_tmps() were causing the temps holding constants to get
recycled.
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need to round up height for _mesa_copy_rect otherwise
textures with height smaller than 4 won't get copied to the miptree at all
Also fix up the confusing debug output (don't output unitialized values,
and output if data is present and the compressed flag)
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This is nice when paired with INTEL_DEBUG=batch for debugging what's going
out to the hardware.
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Triggered in test-fbo from clutter since
37fb2d9b23eab5dbbb43a212c3475cb8016837d8.
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There's really no need for two negation fields. This came from the
GL_NV_fragment_program extension. The new, unified Negate bitfield applies
after the absolute value step.
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This mostly came down to finding the right MRF incantation in the
brw_dp_READ_4_vs() function.
Note: this feature is still disabled (but getting close to done).
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It is possible for ctx->DrawBuffer to be NULL, so don't fault when
that happens. This change is not being committed to master because it
doesn't appear to be necessary there.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Cherry picked from mesa_7_4_branch, commit 49e0c74ddd91900fc4effb6d305d56e0563b456d
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Hook up a constant buffer, binding table, etc for the VS unit.
This will allow using large constant buffers with vertex shaders.
The new code is disabled at this time (use_const_buffer=FALSE).
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We don't update drawables anymore unless they are completely
uninitialized, so we need to swap even if we don't have
cliprects yet, otherwise we never end up calling the driver's
SwapBuffers(). The driver should update the drawable in its
SwapBuffers() anyway.
See 8e753d04045a82062ac34d3b2622eb9dba8af374,
"dri glx: Fix dri_util::driBindContext" for the change that
exposed it.
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Fixes segfaults when rendering to front buffer.
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Plus, begin the new code for vertex shader const buffers.
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