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gl_uniform_block
Eventually the gl_uniform_block information won't be calculated until
linking. Block names need to be checked for name clashes during
compiling, so we have to track it differently.
v2: Update the commit message. Suggested by Carl Worth.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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The GLSL 1.40 spec says:
"Uniform block names and variable names declared within uniform
blocks are scoped at the program level."
Track the block name in the symbol table and emit errors when conflicts
exist.
Fixes es3conform's uniform_buffer_object_block_name_conflict test, and
fixes the piglit block-name-clashes-with-{variable,function,struct}.vert
tests.
NOTE: This is a candidate for the 9.0 branch.
v2: Fix bad constructor initialization. Noticed by Topi Pohjolainen.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Previously, we stored the GLSL language version in the
glsl_symbol_table struct. But this was unnecessary--all
glsl_symbol_table needs to know is whether functions and variables
have separate namespaces (they do in GLSL 1.10 only).
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Carl Worth <cworth@cworth.org>
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The original lazy built-in importing patch did not add the newly created
function to the symbol table, nor actually emit it into the IR stream.
Adding it to the symbol table is non-trivial since importing occurs when
generating some ir_call in a nested scope. A new add_global_function
method, backed by new symbol_table code in the previous patch, handles
this.
Fixes bug #32030.
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return_constructors
Now that constructors are not generated as functions or stored in the
symbol table, there is no need to flag whether or not constructors
should be returned.
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Instead, make a new ir_function and try to add it to the symbol table.
Fixes piglit test redeclaration-08.vert.
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As of 1.20, variable names, function names, and structure type names all
share a single namespace, and should conflict with one another in the
same scope, or hide each other in nested scopes.
However, in 1.10, variables and functions can share the same name in the
same scope. Structure types, however, conflict with/hide both.
Fixes piglit tests redeclaration-06.vert, redeclaration-11.vert,
redeclaration-19.vert, and struct-05.vert.
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For a shader involving many small functions, this avoids running
optimization across all of them after they've been inlined
post-linking.
Reduces the runtime of linking and running a fragment shader from Yo
Frankie from 1.6 seconds to 0.9 seconds (-44.9%, +/- 3.3%).
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This pulls in multiple i965 driver fixes which will help ensure better
testing coverage during development, and also gets past the conflicts
of the src/mesa/shader -> src/mesa/program move.
Conflicts:
src/mesa/Makefile
src/mesa/main/shaderapi.c
src/mesa/main/shaderobj.h
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