mesa: Minor clean ups in _mesa_uniform

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

diff --git a/src/mesa/main/transformfeedback.h b/src/mesa/main/transformfeedback.h
index 3c03b7a241329ac53bfd7f1c5923b908ebdd37ad..87f4080e022d2ab1c17667e748c8af75e7a979b8 100644 (file)
--- a/src/mesa/main/transformfeedback.h
+++ b/src/mesa/main/transformfeedback.h
@@ -16,18 +16,21 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 
 #ifndef TRANSFORM_FEEDBACK_H
 #define TRANSFORM_FEEDBACK_H
 
+#include <stdbool.h>
+#include "bufferobj.h"
 #include "compiler.h"
 #include "glheader.h"
-#include "mfeatures.h"
+#include "mtypes.h"
 
 struct _glapi_table;
 struct dd_function_table;
@@ -89,6 +92,9 @@ _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
 
 
 /*** GL_ARB_transform_feedback2 ***/
+extern void
+_mesa_init_transform_feedback_object(struct gl_transform_feedback_object *obj,
+                                     GLuint name);
 
 struct gl_transform_feedback_object *
 _mesa_lookup_transform_feedback_object(struct gl_context *ctx, GLuint name);
@@ -111,4 +117,28 @@ _mesa_PauseTransformFeedback(void);
 extern void GLAPIENTRY
 _mesa_ResumeTransformFeedback(void);
 
+static inline bool
+_mesa_is_xfb_active_and_unpaused(const struct gl_context *ctx)
+{
+   return ctx->TransformFeedback.CurrentObject->Active &&
+      !ctx->TransformFeedback.CurrentObject->Paused;
+}
+
+extern bool
+_mesa_transform_feedback_is_using_program(struct gl_context *ctx,
+                                          struct gl_shader_program *shProg);
+
+static inline void
+_mesa_set_transform_feedback_binding(struct gl_context *ctx,
+                                     struct gl_transform_feedback_object *tfObj, GLuint index,
+                                     struct gl_buffer_object *bufObj,
+                                     GLintptr offset, GLsizeiptr size)
+{
+   _mesa_reference_buffer_object(ctx, &tfObj->Buffers[index], bufObj);
+
+   tfObj->BufferNames[index]   = bufObj->Name;
+   tfObj->Offset[index]        = offset;
+   tfObj->RequestedSize[index] = size;
+}
+
 #endif /* TRANSFORM_FEEDBACK_H */