diff options
Diffstat (limited to 'src/glsl/ast_to_hir.cpp')
| -rw-r--r-- | src/glsl/ast_to_hir.cpp | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp index ab4cef20401..39317685bef 100644 --- a/src/glsl/ast_to_hir.cpp +++ b/src/glsl/ast_to_hir.cpp @@ -2711,9 +2711,15 @@ process_initializer(ir_variable *var, ast_declaration *decl, "cannot initialize uniforms"); } - if (var->type->is_sampler()) { + /* From section 4.1.7 of the GLSL 4.40 spec: + * + * "Opaque variables [...] are initialized only through the + * OpenGL API; they cannot be declared with an initializer in a + * shader." + */ + if (var->type->contains_opaque()) { _mesa_glsl_error(& initializer_loc, state, - "cannot initialize samplers"); + "cannot initialize opaque variable"); } if ((var->data.mode == ir_var_shader_in) && (state->current_function == NULL)) { @@ -3473,15 +3479,15 @@ ast_declarator_list::hir(exec_list *instructions, ", integer and sampler types"); } - /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec: + /* From section 4.1.7 of the GLSL 4.40 spec: * - * "[Sampler types] can only be declared as function - * parameters or uniform variables (see Section 4.3.5 - * "Uniform")". + * "[Opaque types] can only be declared as function + * parameters or uniform-qualified variables." */ - if (var_type->contains_sampler() && + if (var_type->contains_opaque() && !this->type->qualifier.flags.q.uniform) { - _mesa_glsl_error(&loc, state, "samplers must be declared uniform"); + _mesa_glsl_error(&loc, state, + "opaque variables must be declared uniform"); } /* Process the initializer and add its instructions to a temporary @@ -3673,15 +3679,16 @@ ast_parameter_declarator::hir(exec_list *instructions, apply_type_qualifier_to_variable(& this->type->qualifier, var, state, & loc, true); - /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec: + /* From section 4.1.7 of the GLSL 4.40 spec: * - * "Samplers cannot be treated as l-values; hence cannot be used - * as out or inout function parameters, nor can they be assigned - * into." + * "Opaque variables cannot be treated as l-values; hence cannot + * be used as out or inout function parameters, nor can they be + * assigned into." */ if ((var->data.mode == ir_var_function_inout || var->data.mode == ir_var_function_out) - && type->contains_sampler()) { - _mesa_glsl_error(&loc, state, "out and inout parameters cannot contain samplers"); + && type->contains_opaque()) { + _mesa_glsl_error(&loc, state, "out and inout parameters cannot " + "contain opaque variables"); type = glsl_type::error_type; } @@ -3836,15 +3843,15 @@ ast_function::hir(exec_list *instructions, "sized", name); } - /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec: + /* From section 4.1.7 of the GLSL 4.40 spec: * - * "[Sampler types] can only be declared as function parameters - * or uniform variables (see Section 4.3.5 "Uniform")". + * "[Opaque types] can only be declared as function parameters + * or uniform-qualified variables." */ - if (return_type->contains_sampler()) { + if (return_type->contains_opaque()) { YYLTYPE loc = this->get_location(); _mesa_glsl_error(&loc, state, - "function `%s' return type can't contain a sampler", + "function `%s' return type can't contain an opaque type", name); } @@ -4745,12 +4752,9 @@ ast_process_structure_or_interface_block(exec_list *instructions, if (!allow_reserved_names) validate_identifier(decl->identifier, loc, state); - /* From the GL_ARB_uniform_buffer_object spec: + /* From section 4.3.9 of the GLSL 4.40 spec: * - * "Sampler types are not allowed inside of uniform - * blocks. All other types, arrays, and structures - * allowed for uniforms are allowed within a uniform - * block." + * "[In interface blocks] opaque types are not allowed." * * It should be impossible for decl_type to be NULL here. Cases that * might naturally lead to decl_type being NULL, especially for the @@ -4760,10 +4764,11 @@ ast_process_structure_or_interface_block(exec_list *instructions, const struct glsl_type *field_type = decl_type != NULL ? decl_type : glsl_type::error_type; - if (is_interface && field_type->contains_sampler()) { + if (is_interface && field_type->contains_opaque()) { YYLTYPE loc = decl_list->get_location(); _mesa_glsl_error(&loc, state, - "uniform in non-default uniform block contains sampler"); + "uniform in non-default uniform block contains " + "opaque variable"); } if (field_type->contains_atomic()) { |