| Commit message (Collapse) | Author | Age | Files | Lines |
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The problem is the sampler units are allocated from the same pool for all
shader stages, so if a vertex shader uses 12 samplers (0..11), the fragment
shader samplers start at index 12, leaving only 4 sampler units
for the fragment shader. The main cause is probably the fact that samplers
(texture unit -> sampler unit mapping, etc.) are tracked globally
for an entire program object.
This commit adapts the GLSL linker and core Mesa such that the sampler units
are assigned to sampler uniforms for each shader stage separately
(if a sampler uniform is used in all shader stages, it may occupy a different
sampler unit in each, and vice versa, an i-th sampler unit may refer to
a different sampler uniform in each shader stage), and the sampler-specific
variables are moved from gl_shader_program to gl_shader.
This doesn't require any driver changes, and it fixes piglit/max-samplers
for gallium and classic swrast. It also works with any number of shader
stages.
v2: - converted tabs to spaces
- added an assertion to _mesa_get_sampler_uniform_value
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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to match the size of ctx->Texture.Unit, and it will also fix
piglit/max-samplers with the following commit.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Some Gallium drivers were crashing, because the array was not large enough.
v2: clamp the per-shader maximum in st/mesa, then sum them all up
NOTE: This is a candidate for the stable branches.
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Set up CB_SHADER_MASK register according to pixel shader exports, and enable
some minimal state for colour buffer 1 in case dual source blending is used.
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Signed-off-by: Vadim Girlin <[email protected]>
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Signed-off-by: Christian König <[email protected]>
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Signed-off-by: Christian König <[email protected]>
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Fixes a problem with xbmc when switching channels.
Signed-off-by: Christian König <[email protected]>
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Signed-off-by: Vadim Girlin <[email protected]>
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Signed-off-by: Vadim Girlin <[email protected]>
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Signed-off-by: Vadim Girlin <[email protected]>
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This effectively enables uniform buffer object support.
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Unlike other register files, CONST is read with a message and indirect access
is easier to implement.
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This hunk was missing in the last commit.
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For pure integer formats, no filtering nor blending is needed.
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Take care of sampler views that have buffers as the underlying resources.
Update caps related to TBOs.
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TGSI_TEXTURE_BUFFER is one-dimensional. Assert that exec_tex() is never
called with TGSI_TEXTURE_BUFFER.
Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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This patch improves handling of unconditional KILL instructions inside
the conditional blocks, uncovering more opportunities for if-conversion.
Signed-off-by: Vadim Girlin <[email protected]>
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Fixes incorrect condition that prevented optimization for
PRED_SETE/PRED_SETE_INT.
Signed-off-by: Vadim Girlin <[email protected]>
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PRED_SET instructions that update exec mask should be scheduled immediately
prior to the "if-then-else" block, because any instruction that is
inserted after alu clause with PRED_SET and before conditional block is
also conditionally executed by hw (exec mask is already updated at that
moment).
Propbably it's better to make PRED_SET a part of conditional
"if-then-else" block in the IR to handle this more cleanly,
but for now this temporary solution should prevent the problem.
Signed-off-by: Vadim Girlin <[email protected]>
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For compute shaders we need to let the backend know that
GPRs 0 and 1 are preloaded with some compute-specific input
values, otherwise any use of these regs without previous
definition is considered as undefined value and usually
is simply replaced with 0.
Signed-off-by: Vadim Girlin <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64934
NOTE: This is a candidate for the stable branches.
Reviewed-by: Jose Fonseca <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64934
NOTE: This is a candidate for the stable branches.
Reviewed-by: Jose Fonseca <[email protected]>
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Signed-off-by: Vadim Girlin <[email protected]>
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This allows GVN rewrite pass to propagate non-const (register)
values to FETCH source operands, helping to eliminate unnecessary
copies in some cases.
Signed-off-by: Vadim Girlin <[email protected]>
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We have to assume that all GPRs in compute shader can be indirectly
addressed because LLVM backend doesn't provide any indirect array info.
That's why for compute shaders GPR array is created that covers all used
GPRs (0..r600_bytecode::ngpr-1), but this seriously restricts register
allocation in sb.
This patch checks for actual use of indirect access in the shader and
if it's not used then GPR array is not created, so that regalloc is not
unnecessarily restricted.
Signed-off-by: Vadim Girlin <[email protected]>
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Fixes segfault with bfgminer and R600_DEBUG=sbcl.
Signed-off-by: Vadim Girlin <[email protected]>
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Fixes segfault during bytecode dump with bfgminer kernel
Signed-off-by: Vadim Girlin <[email protected]>
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Reviewed-by: Marek Olšák <[email protected]>
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Reviewed-by: Marek Olšák <[email protected]>
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It turns out the MI_LOAD_REGISTER_IMM approach doesn't work on Haswell,
and regressed essentially all the transform feedback Piglit tests.
This morally reverts eaa6fbe6d54dc99efac4ab8e800edef65ce8220d. However,
the code is still simpler than it was. On BeginTransformFeedback, we
simply flush the batch and set the SOL reset flag so that the next batch
will start with zeroed offsets. There's still no software counting.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64887
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Don't assume the state-tracker will set the scissor after the
framebuffer state is changed.
Signed-off-by: Rob Clark <[email protected]>
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Signed-off-by: Rob Clark <[email protected]>
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Verify that interface blocks match when linking separate shader
stages into a program.
Fixes piglit glsl-1.50 tests:
* linker/interface-blocks-vs-fs-member-count-mismatch.shader_test
* linker/interface-blocks-vs-fs-member-order-mismatch.shader_test
Signed-off-by: Kenneth Graunke <[email protected]>
Signed-off-by: Jordan Justen <[email protected]>
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Verify that interface blocks match when combining compilation
units at the same stage. (For example, when merging all vertex
shaders.)
Fixes piglit glsl-1.50 test:
* linker/interface-blocks-multiple-vs-member-count-mismatch.shader_test
v5 (Ken): Rename to link_interface_blocks.cpp and drop the separate .h
file for consistency with other linker code. Remove "ok" variable.
Fold cross_validate_interface_blocks into its caller.
Signed-off-by: Jordan Justen <[email protected]>
Signed-off-by: Kenneth Graunke <[email protected]>
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With this change we now support interface block arrays.
For example, cases like this:
out block_name {
float f;
} block_instance[2];
This allows Mesa to pass the piglit glsl-1.50 test:
* execution/interface-blocks-complex-vs-fs.shader_test
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Convert interface blocks with instance names into flat
interface blocks without an instance name.
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Uniform/interface blocks are a separate namespace from types.
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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For interface blocks, there are three separate namespaces for
uniform, input and output blocks.
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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