diff options
Diffstat (limited to 'src/glsl/ast_to_hir.cpp')
| -rw-r--r-- | src/glsl/ast_to_hir.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp index c2026b1e490..f552b47d343 100644 --- a/src/glsl/ast_to_hir.cpp +++ b/src/glsl/ast_to_hir.cpp @@ -2212,6 +2212,54 @@ validate_explicit_location(const struct ast_type_qualifier *qual, } static void +apply_image_qualifier_to_variable(const struct ast_type_qualifier *qual, + ir_variable *var, + struct _mesa_glsl_parse_state *state, + YYLTYPE *loc) +{ + const glsl_type *base_type = + (var->type->is_array() ? var->type->element_type() : var->type); + + if (base_type->is_image()) { + if (var->data.mode != ir_var_uniform && + var->data.mode != ir_var_function_in) { + _mesa_glsl_error(loc, state, "image variables may only be declared as " + "function parameters or uniform-qualified " + "global variables"); + } + + var->data.image.read_only |= qual->flags.q.read_only; + var->data.image.write_only |= qual->flags.q.write_only; + var->data.image.coherent |= qual->flags.q.coherent; + var->data.image._volatile |= qual->flags.q._volatile; + var->data.image._restrict |= qual->flags.q._restrict; + var->data.read_only = true; + + if (qual->flags.q.explicit_image_format) { + if (var->data.mode == ir_var_function_in) { + _mesa_glsl_error(loc, state, "format qualifiers cannot be " + "used on image function parameters"); + } + + if (qual->image_base_type != base_type->sampler_type) { + _mesa_glsl_error(loc, state, "format qualifier doesn't match the " + "base data type of the image"); + } + + var->data.image.format = qual->image_format; + } else { + if (var->data.mode == ir_var_uniform && !qual->flags.q.write_only) { + _mesa_glsl_error(loc, state, "uniforms not qualified with " + "`writeonly' must have a format layout " + "qualifier"); + } + + var->data.image.format = GL_NONE; + } + } +} + +static void apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, ir_variable *var, struct _mesa_glsl_parse_state *state, @@ -2501,6 +2549,9 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, if (qual->flags.q.row_major || qual->flags.q.column_major) { validate_matrix_layout_for_type(state, loc, var->type, var); } + + if (var->type->contains_image()) + apply_image_qualifier_to_variable(qual, var, state, loc); } /** |