Add support for storage images in shaders

[libs/gl.git] / source / glsl / validate.cpp

diff --git a/source/glsl/validate.cpp b/source/glsl/validate.cpp
index 883b950ff07f2e46d9aa0037ddfce2fa2719c425..6151483cbd640d2fcc09c08b5294f69a199e21c3 100644 (file)
--- a/source/glsl/validate.cpp
+++ b/source/glsl/validate.cpp
@@ -156,6 +156,20 @@ void DeclarationValidator::visit(Layout &layout)
                        allowed = (iface_block && !variable && iface_block->interface=="uniform");
                        value = false;
                }
+               else if(q.name=="rgba32f" || q.name=="rgba16f" || q.name=="rg32f" || q.name=="rg16f" || q.name=="r32f" || q.name=="r16f" ||
+                       q.name=="rgba16" || q.name=="rgba8" || q.name=="rg16" || q.name=="rg8" || q.name=="r16" || q.name=="r8" ||
+                       q.name=="rgba16_snorm" || q.name=="rgba8_snorm" || q.name=="rg16_snorm" || q.name=="rg8_snorm" || q.name=="r16_snorm" || q.name=="r8_snorm")
+               {
+                       allowed = variable;
+                       value = false;
+                       if(allowed)
+                       {
+                               const TypeDeclaration *base_type = get_ultimate_base_type(variable->type_declaration);
+                               const ImageTypeDeclaration *image = dynamic_cast<const ImageTypeDeclaration *>(base_type);
+                               allowed = (image && !image->sampled);
+                               err_descr = (image ? "sampled image" : "non-image variable");
+                       }
+               }
 
                if(!allowed)
                {