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-rw-r--r--src/glsl/linker.cpp33
1 files changed, 27 insertions, 6 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 07ea0e0c7e5..424b92a1783 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -3137,7 +3137,8 @@ should_add_buffer_variable(struct gl_shader_program *shProg,
GLenum type, const char *name)
{
bool found_interface = false;
- const char *block_name = NULL;
+ unsigned block_name_len = 0;
+ const char *block_name_dot = strchr(name, '.');
/* These rules only apply to buffer variables. So we return
* true for the rest of types.
@@ -3146,8 +3147,28 @@ should_add_buffer_variable(struct gl_shader_program *shProg,
return true;
for (unsigned i = 0; i < shProg->NumBufferInterfaceBlocks; i++) {
- block_name = shProg->BufferInterfaceBlocks[i].Name;
- if (strncmp(block_name, name, strlen(block_name)) == 0) {
+ const char *block_name = shProg->BufferInterfaceBlocks[i].Name;
+ block_name_len = strlen(block_name);
+
+ const char *block_square_bracket = strchr(block_name, '[');
+ if (block_square_bracket) {
+ /* The block is part of an array of named interfaces,
+ * for the name comparison we ignore the "[x]" part.
+ */
+ block_name_len -= strlen(block_square_bracket);
+ }
+
+ if (block_name_dot) {
+ /* Check if the variable name starts with the interface
+ * name. The interface name (if present) should have the
+ * length than the interface block name we are comparing to.
+ */
+ unsigned len = strlen(name) - strlen(block_name_dot);
+ if (len != block_name_len)
+ continue;
+ }
+
+ if (strncmp(block_name, name, block_name_len) == 0) {
found_interface = true;
break;
}
@@ -3157,7 +3178,7 @@ should_add_buffer_variable(struct gl_shader_program *shProg,
* including the dot that follows it.
*/
if (found_interface)
- name = name + strlen(block_name) + 1;
+ name = name + block_name_len + 1;
/* From: ARB_program_interface_query extension:
*
@@ -3166,14 +3187,14 @@ should_add_buffer_variable(struct gl_shader_program *shProg,
* of its type. For arrays of aggregate types, the enumeration rules are
* applied recursively for the single enumerated array element.
*/
- const char *first_dot = strchr(name, '.');
+ const char *struct_first_dot = strchr(name, '.');
const char *first_square_bracket = strchr(name, '[');
/* The buffer variable is on top level and it is not an array */
if (!first_square_bracket) {
return true;
/* The shader storage block member is a struct, then generate the entry */
- } else if (first_dot && first_dot < first_square_bracket) {
+ } else if (struct_first_dot && struct_first_dot < first_square_bracket) {
return true;
} else {
/* Shader storage block member is an array, only generate an entry for the