glsl/linker: add DisableTransformFeedbackPacking workaround

[mesa.git] / src / mesa / main / transformfeedback.c

diff --git a/src/mesa/main/transformfeedback.c b/src/mesa/main/transformfeedback.c
index e4cc1db5e5b8cec2046fb1f6df5f6dbf01e22b46..06719b1ce827dda23a6c777607c809abf3008534 100644 (file)
--- a/src/mesa/main/transformfeedback.c
+++ b/src/mesa/main/transformfeedback.c
@@ -39,8 +39,8 @@
 #include "transformfeedback.h"
 #include "shaderapi.h"
 #include "shaderobj.h"
-#include "main/dispatch.h"
 
+#include "program/program.h"
 #include "program/prog_parameter.h"
 
 struct using_program_tuple
@@ -198,6 +198,27 @@ _mesa_init_transform_feedback_object(struct gl_transform_feedback_object *obj,
    obj->EverBound = GL_FALSE;
 }
 
+/**
+ * Delete a transform feedback object.  Called via
+ * ctx->Driver->DeleteTransformFeedback, if not overwritten by driver.  In
+ * the latter case, called from the driver after all driver-specific clean-up
+ * has been done.
+ *
+ * \param ctx GL context to wich transform feedback object belongs.
+ * \param obj Transform feedback object due to be deleted.
+ */
+void
+_mesa_delete_transform_feedback_object(struct gl_context *ctx,
+                                       struct gl_transform_feedback_object
+                                              *obj)
+{
+   for (unsigned i = 0; i < ARRAY_SIZE(obj->Buffers); i++) {
+      _mesa_reference_buffer_object(ctx, &obj->Buffers[i], NULL);
+   }
+
+   free(obj->Label);
+   free(obj);
+}
 
 /** Default fallback for ctx->Driver.NewTransformFeedback() */
 static struct gl_transform_feedback_object *
@@ -213,22 +234,6 @@ new_transform_feedback_fallback(struct gl_context *ctx, GLuint name)
    return obj;
 }
 
-/** Default fallback for ctx->Driver.DeleteTransformFeedback() */
-static void
-delete_transform_feedback_fallback(struct gl_context *ctx,
-                                   struct gl_transform_feedback_object *obj)
-{
-   GLuint i;
-
-   for (i = 0; i < ARRAY_SIZE(obj->Buffers); i++) {
-      _mesa_reference_buffer_object(ctx, &obj->Buffers[i], NULL);
-   }
-
-   free(obj->Label);
-   free(obj);
-}
-
-
 /** Default fallback for ctx->Driver.BeginTransformFeedback() */
 static void
 begin_transform_feedback_fallback(struct gl_context *ctx, GLenum mode,
@@ -270,7 +275,7 @@ void
 _mesa_init_transform_feedback_functions(struct dd_function_table *driver)
 {
    driver->NewTransformFeedback = new_transform_feedback_fallback;
-   driver->DeleteTransformFeedback = delete_transform_feedback_fallback;
+   driver->DeleteTransformFeedback = _mesa_delete_transform_feedback_object;
    driver->BeginTransformFeedback = begin_transform_feedback_fallback;
    driver->EndTransformFeedback = end_transform_feedback_fallback;
    driver->PauseTransformFeedback = pause_transform_feedback_fallback;
@@ -471,6 +476,7 @@ begin_transform_feedback(struct gl_context *ctx, GLenum mode, bool no_error)
 
    if (obj->program != source) {
       ctx->NewDriverState |= ctx->DriverFlags.NewTransformFeedbackProg;
+      _mesa_reference_program_(ctx, &obj->program, source);
       obj->program = source;
    }
 
@@ -505,6 +511,7 @@ end_transform_feedback(struct gl_context *ctx,
    assert(ctx->Driver.EndTransformFeedback);
    ctx->Driver.EndTransformFeedback(ctx, obj);
 
+   _mesa_reference_program_(ctx, &obj->program, NULL);
    ctx->TransformFeedback.CurrentObject->Active = GL_FALSE;
    ctx->TransformFeedback.CurrentObject->Paused = GL_FALSE;
    ctx->TransformFeedback.CurrentObject->EndedAnytime = GL_TRUE;