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author | marha <marha@users.sourceforge.net> | 2011-09-15 15:01:30 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2011-09-15 15:01:30 +0200 |
commit | 4420369d700d9db1563f8647e1889c6a0972ea2c (patch) | |
tree | 91e4c4e8503de8472048662e1e0b2ac7caa82e09 /mesalib/src/glsl/ast_to_hir.cpp | |
parent | e066f54c99aecce620158fe7f31589242df55677 (diff) | |
download | vcxsrv-4420369d700d9db1563f8647e1889c6a0972ea2c.tar.gz vcxsrv-4420369d700d9db1563f8647e1889c6a0972ea2c.tar.bz2 vcxsrv-4420369d700d9db1563f8647e1889c6a0972ea2c.zip |
libxtrans libXmu libXext mesa pixman git update 15 sept 2011
Diffstat (limited to 'mesalib/src/glsl/ast_to_hir.cpp')
-rw-r--r-- | mesalib/src/glsl/ast_to_hir.cpp | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp index 484786c5f..ce29d5a87 100644 --- a/mesalib/src/glsl/ast_to_hir.cpp +++ b/mesalib/src/glsl/ast_to_hir.cpp @@ -2120,25 +2120,6 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, var->depth_layout = ir_depth_layout_unchanged; else var->depth_layout = ir_depth_layout_none; - - /* From page 46 (page 52 of the PDF) of the GLSL ES specification: - * - * "Array variables are l-values and may be passed to parameters - * declared as out or inout. However, they may not be used as - * the target of an assignment." - * - * From page 32 (page 38 of the PDF) of the GLSL 1.10 spec: - * - * "Other binary or unary expressions, non-dereferenced arrays, - * function names, swizzles with repeated fields, and constants - * cannot be l-values." - * - * So we only mark 1.10 as non-lvalues, and check for array - * assignment in 100 specifically in do_assignment. - */ - if (var->type->is_array() && state->language_version != 110) { - var->array_lvalue = true; - } } /** @@ -2953,6 +2934,26 @@ ast_parameter_declarator::hir(exec_list *instructions, type = glsl_type::error_type; } + /* From page 39 (page 45 of the PDF) of the GLSL 1.10 spec: + * + * "When calling a function, expressions that do not evaluate to + * l-values cannot be passed to parameters declared as out or inout." + * + * From page 32 (page 38 of the PDF) of the GLSL 1.10 spec: + * + * "Other binary or unary expressions, non-dereferenced arrays, + * function names, swizzles with repeated fields, and constants + * cannot be l-values." + * + * So for GLSL 1.10, passing an array as an out or inout parameter is not + * allowed. This restriction is removed in GLSL 1.20, and in GLSL ES. + */ + if ((var->mode == ir_var_inout || var->mode == ir_var_out) + && type->is_array() && state->language_version == 110) { + _mesa_glsl_error(&loc, state, "Arrays cannot be out or inout parameters in GLSL 1.10"); + type = glsl_type::error_type; + } + instructions->push_tail(var); /* Parameter declarations do not have r-values. |