main: Add SHADER_STORAGE_BLOCK and BUFFER_VARIABLE support for ARB_program_interface_query

Including TOP_LEVEL_ARRAY_SIZE and TOP_LEVEL_ARRAY_STRIDE queries.

v2:
- Use std430_array_stride() to get top level array stride following std430's rules.

Signed-off-by: Samuel Iglesias Gonsalvez <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/glsl/ir_uniform.h b/src/glsl/ir_uniform.h
index 0b6f7201a20..858a7da6bb9 100644
--- a/src/glsl/ir_uniform.h
+++ b/src/glsl/ir_uniform.h
@@ -194,6 +194,11 @@ struct gl_uniform_storage {
     * This is a built-in uniform that should not be modified through any gl API.
     */
    bool builtin;
+
+   /**
+    * This is a shader storage buffer variable, not an uniform.
+    */
+   bool is_shader_storage;
 };
 
 #ifdef __cplusplus