| Commit message (Collapse) | Author | Age | Files | Lines |
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... with the right value.
Signed-off-by: Daniel Vetter <[email protected]>
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Do it in two passes in that case.
v2: Don't forget to handle stencil clears.
Signed-off-by: Daniel Vetter <[email protected]>
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Docs say this is obeyed.
Signed-off-by: Daniel Vetter <[email protected]>
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4bit palette ftw!
Signed-off-by: Daniel Vetter <[email protected]>
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Docs say that default shader input color input need to be spec
as ARGB8888. And a clear rect prim essentially uses this value
instead of default diffuse. Depth on the other hands is an ieee
32 bit float. Clear stencil is U8.
Completely different are the clear values for zone init prims.
These are speced in the actual output pixel layout (and need
to be repeated for 16 bit formats).
Clear up the confusion by adding some comments.
v2: Retain the target swizzling support added by Stephan Marchesin.
Signed-off-by: Daniel Vetter <[email protected]>
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This way it can be reused in the fastclear path.
Signed-off-by: Daniel Vetter <[email protected]>
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Signed-off-by: Kenneth Graunke <[email protected]>
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We leave the debug code in place to troubleshoot issues while we complete the transition. That code might be removed after that.
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Previously, if the user enabled a non-consecutive set of clip planes
(e.g. 0, 1, and 3), the driver would compact them down to a
consecutive set starting at 0. This optimization was of dubious
value, and complicated the implementation of gl_ClipDistance.
This patch changes the driver so that with Gen6 and later chipsets, we
no longer compact the clip planes. However, we still discard any clip
planes beyond the highest number that is in use, so performance should
not be affected for applications that use clip planes consecutively
from 0.
With chipsets previous to Gen6, we still compact the clip planes,
since the pre-Gen6 clipper thread relies on this behavior.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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The only remaining uses of brw_vs_prog_key::nr_userclip only occurred
when using clip planes (as opposed to gl_ClipDistance). This patch
renames the value to nr_userclip_planes and sets it to zero when
gl_ClipDistance is in use. This avoids unnecessary VS recompiles.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Previously, brw_compute_vue_map required an argument indicating the
number of clip planes in use, but all it did with it was check if it
was nonzero.
This patch changes brw_compute_vue_map to take a boolean instead.
This allows us to avoid some unnecessary recompilation of the Gen4/5
GS and SF threads.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Previous to this patch, setup_uniform_clipplane_values() was setting
up clip plane uniforms based on ctx->Transform.ClipPlanesEnabled, a
piece of state not stored in the vertex shader cache key. As a
result, a change to this piece of state might not trigger a necessary
vertex shader recompile.
The patch adds a field to the vertex shader cache key,
userclip_planes_enabled, to store the current value of
ctx->Transform.ClipPlanesEnabled. Also, it changes
setup_uniform_clipplane_values() to read from this new field, so that
it's manifestly clear that the vertex shader isn't depending on state
not stored in the cache key.
Note: when the vertex shader uses gl_ClipDistance, the VS backend
doesn't need to know which clip planes are in use, so we leave the
field as zero in that case to avoid unnecessary recompiles.
Fixes Piglit test vs-clip-vertex-enables.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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No functional change. This patch rearranges the struct
brw_vs_prog_key so that the two fields related to clipping are
together, and documents those fields. This should make the patches
that follow easier to comprehend, since they add additional
clipping-related fields to this structure.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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The i965 driver already had a function to count bits in a 64-bit uint
(brw_count_bits()), but it was buggy (it only counted the bottom 32
bits) and it was clumsy (it had a strange and broken fallback for
non-GCC-like compilers, which fortunately was never used). Since Mesa
already has a _mesa_bitcount() function, it seems better to just
create a _mesa_bitcount_64() function rather than special-case this in
the i965 driver.
This patch creates the new _mesa_bitcount_64() function and rewrites
all of the old brw_count_bits() calls to refer to it.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Fixes the ES1 conformance 'userclip' test, which broke when we increased
MAX_CLIP_PLANES to 8. Core Mesa already validates incoming values
against MAX_CLIP_PLANES; we just need the ES wrapper to pass everything
through.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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It's required for ES 1.0 and 1.1, and isn't specified for ES 2.
While the comment says Mesa depends on it internally, removing it from
ES2 doesn't seem to regress any Piglit or ES2 conformance tests.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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In particular, drivers don't enable this in ES 1.1 contexts.
Prior to this, none of the OpenGL ES 1.1 conformance tests passed.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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We still need to investigate LIS7 though.
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It was only used by the old tdfx driver, IIRC.
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Was only used by some older/removed DRI drivers.
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It's always the same as the texture width.
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Instead, use the new st_texture_image::TexData field to hold texture
images that don't fit the parent object's mipmap buffer.
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Since core Mesa no longer depends on gl_texture_image::Data pointing to
mapped texture buffers we don't have to mess with it all over the place
in the state tracker. Now Data is only used to point to malloc'd memory
that holds images which don't fit in the texture object's mipmap buffer.
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These were used to find the start of a 3D image slice (or 2D array texture
slice) given a base address. Instead, use a simple array of address of
image slices instead.
This is a step toward getting rid of the gl_texture_image::ImageOffsets
field.
Reviewed-by: Eric Anholt <[email protected]>
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If you want to access it, you should use the Drawable in xlib_drawable instead.
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Fixes double-underscore-*.frag.
Reviewed-by: Kenneth Graunke <[email protected]>
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This only adds dummy entries to the table to fix failed assertions.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=41491
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This patch implements proper support for gl_ClipVertex by causing the
new VS backend to populate the clip distance VUE slots using
VERT_RESULT_CLIP_VERTEX when appropriate, and by using the
untransformed clip planes in ctx->Transform.EyeUserPlane rather than
the transformed clip planes in ctx->Transform._ClipUserPlane when a
GLSL-based vertex shader is in use.
When not using a GLSL-based vertex shader, we use
ctx->Transform._ClipUserPlane (which is what we used prior to this
patch). This ensures that clipping is still performed correctly for
fixed function and ARB vertex programs. A new function,
brw_select_clip_planes() is used to determine whether to use
_ClipUserPlane or EyeUserPlane, so that the logic for making this
decision is shared between the new and old vertex shaders.
Fixes the following Piglit tests on i965 Gen6:
- vs-clip-vertex-const-accept
- vs-clip-vertex-const-reject
- vs-clip-vertex-different-from-position
- vs-clip-vertex-equal-to-position
- vs-clip-vertex-homogeneity
- vs-clip-based-on-position
- vs-clip-based-on-position-homogeneity
- clip-plane-transformation clipvert_pos
- clip-plane-transformation pos_clipvert
- clip-plane-transformation pos
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
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Before this patch, clip planes didn't work properly in Mesa when using
vertex shaders, because Mesa assigned both gl_ClipVertex and
gl_Position to the same gl_vert_result (VERT_RESULT_HPOS). As a
result, backends couldn't distinguish between the two variables, so
any shader that wrote different values to them would fail to work
properly.
This patch paves the way for proper support of gl_ClipVertex by
creating a new enumerated value in gl_vert_result for it
(VERT_RESULT_CLIP_VERTEX). After this patch, a back-end may add
support for gl_ClipVertex using the following algorithm:
- If using a user-supplied GLSL vertex shader:
- If the bit corresponding to VERT_RESULT_CLIP_VERTEX is set in
gl_program::OutputsWritten:
- Clip using the vertex shader output VERT_RESULT_CLIP_VERTEX and
the clip planes defined in gl_context::Transform.EyeUserPlane.
- Else:
- Clip using the vertex shader output VERT_RESULT_HPOS and the
clip planes defined in gl_context::Transform.EyeUserPlane.
- Else (either using fixed function or an ARB vertex program):
- Clip using the vertex shader output VERT_RESULT_HPOS and the clip
planes defined in gl_context::Transform._ClipUserPlane (*)
where (*) represents the normal Mesa behavior before this patch.
An example of implementing the above algorithm can be found in the
patch that follows this one, which implements gl_ClipVertex in i965
Gen6.
Reviewed-by: Kenneth Graunke <[email protected]>
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The previous change was not effective for lines, because there is no
4 planes 4x4 block rasterization path: it is handled by the 16x16 block
case too, and the 16x16 block was not being budged as it should.
This fixes assertion failures on line rasterization.
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the tile.
llvmpipe has a few special rasterization paths for triangles contained in
16x16 blocks, but it allows the 16x16 block to be aligned only to a 4x4
grid.
Some 16x16 blocks could actually intersect the tile
if the triangle is 16 pixels in one dimension but 4 in the other, causing
a buffer overflow.
The fix consists of budging the 16x16 blocks back inside the tile.
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This updates the fbo format table for the integer types.
Signed-off-by: Dave Airlie <[email protected]>
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This just adds the entries to the table and fixes the asserts up.
The int32 one is definitely wrong, since it uses a float temp
which will lose precision, but its no worse than now.
Signed-off-by: Dave Airlie <[email protected]>
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This adds the integer types to the tex format chooser.
Signed-off-by: Dave Airlie <[email protected]>
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This is taken from reading EXT_texture_integer + EXT_texture_rg in combination,
Comments on necessity of each format, naming of formats and bugs in the
formats tables please.
Is there any formats I've missed?
Eric looked over this to make sure its consistent at least.
As I've changed the ordering of things in the format table, the follow
patches are required to avoid regression.
Signed-off-by: Dave Airlie <[email protected]>
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As per Brian's suggestion we can generate this table at first start
to make sure its correct. This is a sad workaround for compilers which
don't support named initialiser. (its 2011).
Signed-off-by: Dave Airlie <[email protected]>
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Commit d1fda903 (radeon: Drop mapping we were doing around
glGetTexImage()) removed the common Radeon source file
radeon_tex_getimage.c, and pulled it out of the r200, r300, r600, and
radeon makefiles. But it left behind the symlinks that were being
used to share that file among the four directories.
This patch removes the dangling symlinks.
Reviewed-by: Brian Paul <[email protected]>
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Fixes a build failure introduced in commit
b7fa0d0727a3a9e1f64d3cfc7a0f157b35dec09e.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-and-tested-by: Paul Berry <[email protected]>
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We want quad/pixel Z values to be interpolated exactly the same for
multi-pass algorithms. Because of how the optimized Z-test code is
written, we can't cull the first quad in a run even if it's totally
killed. See the comment for more info.
NOTE: This is a candidate for the 7.11 branch.
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We only want to generate the fragment shader variant that does
stippling if DO_PSTIPPLE_IN_HELPER_MODULE is being used.
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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