Module: Mesa Branch: master Commit: e3082fb2732c2af836875201b8d7f49e864c8e4e URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e3082fb2732c2af836875201b8d7f49e864c8e4e
Author: Iago Toral Quiroga <[email protected]> Date: Thu Feb 26 12:15:17 2015 +0100 glsl: Add default precision qualifiers to the symbol table The GLSL ES spec specifies default precision qualifiers for certain types, so populate the symbol table with these. Notice that the desktop GLSL spec also indicates defaults for some types but this is not really useful since precision qualifiers are completely ignored in desktop GLSL. v2: simplify and add samplerExternalOES, specified by OES_EGL_image_external (Tapani) v3: add atomic_uint (reported missing by Marta) Reviewed-by: Tapani Pälli <[email protected]> --- src/glsl/glsl_parser.yy | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy index 4ac8e45..31e254a 100644 --- a/src/glsl/glsl_parser.yy +++ b/src/glsl/glsl_parser.yy @@ -313,6 +313,18 @@ translation_unit: { delete state->symbols; state->symbols = new(ralloc_parent(state)) glsl_symbol_table; + if (state->es_shader) { + if (state->stage == MESA_SHADER_FRAGMENT) { + state->symbols->add_default_precision_qualifier("int", ast_precision_medium); + } else { + state->symbols->add_default_precision_qualifier("float", ast_precision_high); + state->symbols->add_default_precision_qualifier("int", ast_precision_high); + } + state->symbols->add_default_precision_qualifier("sampler2D", ast_precision_low); + state->symbols->add_default_precision_qualifier("samplerExternalOES", ast_precision_low); + state->symbols->add_default_precision_qualifier("samplerCube", ast_precision_low); + state->symbols->add_default_precision_qualifier("atomic_uint", ast_precision_high); + } _mesa_glsl_initialize_types(state); } ; _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
