* 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 "compiler.h"
#include "glheader.h"
-#include "mfeatures.h"
+#include "mtypes.h"
struct _glapi_table;
struct dd_function_table;
extern void
_mesa_init_transform_feedback_functions(struct dd_function_table *driver);
-extern void
-_mesa_init_transform_feedback_dispatch(const struct gl_context *ctx,
- struct _glapi_table *disp);
+extern unsigned
+_mesa_compute_max_transform_feedback_vertices(
+ const struct gl_transform_feedback_object *obj,
+ const struct gl_transform_feedback_info *info);
/*** GL_EXT_transform_feedback ***/
extern void GLAPIENTRY
_mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
- const GLchar **varyings, GLenum bufferMode);
+ const GLchar * const *varyings,
+ GLenum bufferMode);
extern void GLAPIENTRY
_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);
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);
+
#endif /* TRANSFORM_FEEDBACK_H */