diff options
Diffstat (limited to 'src/compiler')
-rw-r--r-- | src/compiler/glsl/glsl_parser_extras.cpp | 14 | ||||
-rw-r--r-- | src/compiler/glsl/linker.cpp | 16 |
2 files changed, 23 insertions, 7 deletions
diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp index b12cf3d90c0..e97cbf4b826 100644 --- a/src/compiler/glsl/glsl_parser_extras.cpp +++ b/src/compiler/glsl/glsl_parser_extras.cpp @@ -1949,12 +1949,20 @@ _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader, assign_subroutine_indexes(shader, state); lower_subroutine(shader->ir, state); + /* Do some optimization at compile time to reduce shader IR size * and reduce later work if the same shader is linked multiple times */ - while (do_common_optimization(shader->ir, false, false, options, - ctx->Const.NativeIntegers)) - ; + if (ctx->Const.GLSLOptimizeConservatively) { + /* Run it just once. */ + do_common_optimization(shader->ir, false, false, options, + ctx->Const.NativeIntegers); + } else { + /* Repeat it until it stops making changes. */ + while (do_common_optimization(shader->ir, false, false, options, + ctx->Const.NativeIntegers)) + ; + } validate_ir_tree(shader->ir); diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp index f4f918a34e7..13fbb30b27b 100644 --- a/src/compiler/glsl/linker.cpp +++ b/src/compiler/glsl/linker.cpp @@ -5048,10 +5048,18 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog) lower_tess_level(prog->_LinkedShaders[i]); } - while (do_common_optimization(prog->_LinkedShaders[i]->ir, true, false, - &ctx->Const.ShaderCompilerOptions[i], - ctx->Const.NativeIntegers)) - ; + if (ctx->Const.GLSLOptimizeConservatively) { + /* Run it just once. */ + do_common_optimization(prog->_LinkedShaders[i]->ir, true, false, + &ctx->Const.ShaderCompilerOptions[i], + ctx->Const.NativeIntegers); + } else { + /* Repeat it until it stops making changes. */ + while (do_common_optimization(prog->_LinkedShaders[i]->ir, true, false, + &ctx->Const.ShaderCompilerOptions[i], + ctx->Const.NativeIntegers)) + ; + } lower_const_arrays_to_uniforms(prog->_LinkedShaders[i]->ir, i); propagate_invariance(prog->_LinkedShaders[i]->ir); |