glsl: add uniform and program resource support (v2)

[mesa.git] / src / glsl / ir_uniform.h

diff --git a/src/glsl/ir_uniform.h b/src/glsl/ir_uniform.h
index 3508509d4d087efa45babfb1ac167e88442fdd05..0b6f7201a20a73f345049bd9b0199bbb8c2d1c0c 100644 (file)
--- a/src/glsl/ir_uniform.h
+++ b/src/glsl/ir_uniform.h
@@ -32,25 +32,19 @@
 
 #include "program/prog_parameter.h"  /* For union gl_constant_value. */
 
+/**
+ * Used by GL_ARB_explicit_uniform_location extension code in the linker
+ * and glUniform* functions to identify inactive explicit uniform locations.
+ */
+#define INACTIVE_UNIFORM_EXPLICIT_LOCATION ((gl_uniform_storage *) -1)
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-enum gl_uniform_driver_format {
+enum PACKED gl_uniform_driver_format {
    uniform_native = 0,          /**< Store data in the native format. */
    uniform_int_float,           /**< Store integer data as floats. */
-   uniform_bool_float,          /**< Store boolean data as floats. */
-
-   /**
-    * Store boolean data as integer using 1 for \c true.
-    */
-   uniform_bool_int_0_1,
-
-   /**
-    * Store boolean data as integer using ~0 for \c true.
-    */
-   uniform_bool_int_0_not0
 };
 
 struct gl_uniform_driver_storage {
@@ -66,11 +60,8 @@ struct gl_uniform_driver_storage {
 
    /**
     * Base format of the stored data.
-    *
-    * This field must have a value from \c GLSL_TYPE_UINT through \c
-    * GLSL_TYPE_SAMPLER.
     */
-   uint8_t format;
+   enum gl_uniform_driver_format format;
 
    /**
     * Pointer to the base of the data.
@@ -123,6 +114,8 @@ struct gl_uniform_storage {
 
    struct gl_opaque_uniform_index image[MESA_SHADER_STAGES];
 
+   struct gl_opaque_uniform_index subroutine[MESA_SHADER_STAGES];
+
    /**
     * Storage used by the driver for the uniform
     */
@@ -182,8 +175,25 @@ struct gl_uniform_storage {
    /**
     * The 'base location' for this uniform in the uniform remap table. For
     * arrays this is the first element in the array.
+    * for subroutines this is in shader subroutine uniform remap table.
     */
    unsigned remap_location;
+
+   /**
+    * The number of compatible subroutines with this subroutine uniform.
+    */
+   unsigned num_compatible_subroutines;
+
+   /**
+    * This is a compiler-generated uniform that should not be advertised
+    * via the API.
+    */
+   bool hidden;
+
+   /**
+    * This is a built-in uniform that should not be modified through any gl API.
+    */
+   bool builtin;
 };
 
 #ifdef __cplusplus