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brw_set_compression_control took a GLboolean as an argument, then
promptly used a switch statement to compare it with various enumeration
values. Clearly it's not actually a boolean.
Introduce a new enumeration type, enum brw_compression, and use that.
Found by converting GLboolean to bool; clang then gave warnings about
switching on a boolean and ultimately duplicated case errors.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
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Replace each occurence of
#include "../glsl/*.h"
with
#include "glsl/*.h"
Reviewed-by: Ian Romanick <[email protected]>
Signed-off-by: Chad Versace <[email protected]>
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This hides the IF stack and back-patching of IF/ELSE instructions from
each of the code generators, greatly simplifying the interface.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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This would be so much easier if we were using C++; we could simply use
constructors and destructors. Instead, we have to update all the
callers.
While we're at it, ralloc various brw_wm_compile fields rather than
explicitly calloc/free'ing them.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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This makes it symmetric with brw_set_dest, which is convenient, and will
also allow for assertions to be made based off of intel->gen.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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This is like what we do for add/mul, but we have to invert the
predicate to choose the other source instead.
This removes 5 extra moves of constants in nexuiz shaders. No
statistically significant performance difference on my Sandybridge
laptop (n=5).
Reviewed-by: Ian Romanick <[email protected]>
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This is like what we do with add/mul, but we also have to flip the
conditional test.
Reviewed-by: Ian Romanick <[email protected]>
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Since the 8-wide first-quarter and 16-wide first-half have the same
bit encoding, we now need to track "do you want instruction
compression" in the compile state.
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Whenever the accumulator results are needed, this bit must be set.
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Previously, the prog_instruction::Data field was used to map original Mesa
instructions to brw instructions in order to resolve subroutine calls. This
was a rather tangled mess. Plus it's an obstacle to implementing dynamic
allocation/growing of the instruction buffer (it's still a fixed size).
Mesa's GLSL compiler emits a label for each subroutine and CAL instruction.
Now we use those labels to patch the subroutine calls after code generation
has been done. We just keep a list of all CAL instructions that needs patching
and a list of all subroutine labels. It's a simple matter to resolve them.
This also consolidates some redundant post-emit code between brw_vs_emit.c and
brw_wm_glsl.c and removes some loops that cleared the prog_instruction::Data
fields at the end.
Plus, a bunch of new comments.
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This driver comes from Tungsten Graphics, with a few further modifications by
Intel.
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