* 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;
extern void
_mesa_free_transform_feedback(struct gl_context *ctx);
-#if FEATURE_EXT_transform_feedback
-
-extern GLboolean
-_mesa_validate_primitive_mode(struct gl_context *ctx, GLenum mode);
-
-extern GLboolean
-_mesa_validate_transform_feedback_buffers(struct gl_context *ctx);
-
-
extern void
_mesa_init_transform_feedback_functions(struct dd_function_table *driver);
-extern void
-_mesa_init_transform_feedback_dispatch(struct _glapi_table *disp);
+extern unsigned
+_mesa_compute_max_transform_feedback_vertices( struct gl_context *ctx,
+ const struct gl_transform_feedback_object *obj,
+ const struct gl_transform_feedback_info *info);
/*** GL_EXT_transform_feedback ***/
+void GLAPIENTRY
+_mesa_BeginTransformFeedback_no_error(GLenum mode);
+
extern void GLAPIENTRY
_mesa_BeginTransformFeedback(GLenum mode);
+void GLAPIENTRY
+_mesa_EndTransformFeedback_no_error(void);
+
extern void GLAPIENTRY
_mesa_EndTransformFeedback(void);
-extern void GLAPIENTRY
-_mesa_BindBufferRange(GLenum target, GLuint index,
- GLuint buffer, GLintptr offset, GLsizeiptr size);
+extern bool
+_mesa_validate_buffer_range_xfb(struct gl_context *ctx,
+ struct gl_transform_feedback_object *obj,
+ GLuint index, struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size, bool dsa);
-extern void GLAPIENTRY
-_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
+extern void
+_mesa_bind_buffer_base_transform_feedback(struct gl_context *ctx,
+ struct gl_transform_feedback_object *obj,
+ GLuint index,
+ struct gl_buffer_object *bufObj,
+ bool dsa);
+
+void GLAPIENTRY
+_mesa_BindBufferOffsetEXT_no_error(GLenum target, GLuint index, GLuint buffer,
+ GLintptr offset);
extern void GLAPIENTRY
_mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
GLintptr offset);
+void GLAPIENTRY
+_mesa_TransformFeedbackVaryings_no_error(GLuint program, GLsizei count,
+ const GLchar *const *varyings,
+ GLenum bufferMode);
+
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_GenTransformFeedbacks(GLsizei n, GLuint *names);
+extern void GLAPIENTRY
+_mesa_CreateTransformFeedbacks(GLsizei n, GLuint *names);
+
extern GLboolean GLAPIENTRY
_mesa_IsTransformFeedback(GLuint name);
+void GLAPIENTRY
+_mesa_BindTransformFeedback_no_error(GLenum target, GLuint name);
+
extern void GLAPIENTRY
_mesa_BindTransformFeedback(GLenum target, GLuint name);
extern void GLAPIENTRY
_mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
+void GLAPIENTRY
+_mesa_PauseTransformFeedback_no_error(void);
+
extern void GLAPIENTRY
_mesa_PauseTransformFeedback(void);
-extern void GLAPIENTRY
-_mesa_ResumeTransformFeedback(void);
+void GLAPIENTRY
+_mesa_ResumeTransformFeedback_no_error(void);
extern void GLAPIENTRY
-_mesa_DrawTransformFeedback(GLenum mode, GLuint name);
-
-#else /* FEATURE_EXT_transform_feedback */
+_mesa_ResumeTransformFeedback(void);
-static INLINE GLboolean
-_mesa_validate_primitive_mode(struct gl_context *ctx, GLenum mode)
+static inline bool
+_mesa_is_xfb_active_and_unpaused(const struct gl_context *ctx)
{
- return GL_TRUE;
+ return ctx->TransformFeedback.CurrentObject->Active &&
+ !ctx->TransformFeedback.CurrentObject->Paused;
}
-static INLINE GLboolean
-_mesa_validate_transform_feedback_buffers(struct gl_context *ctx)
-{
- return GL_TRUE;
-}
+extern bool
+_mesa_transform_feedback_is_using_program(struct gl_context *ctx,
+ struct gl_shader_program *shProg);
-static INLINE void
-_mesa_init_transform_feedback_functions(struct dd_function_table *driver)
+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;
+
+ if (bufObj != ctx->Shared->NullBufferObj)
+ bufObj->UsageHistory |= USAGE_TRANSFORM_FEEDBACK_BUFFER;
}
-static INLINE void
-_mesa_init_transform_feedback_dispatch(struct _glapi_table *disp)
+static inline void
+_mesa_bind_buffer_range_xfb(struct gl_context *ctx,
+ struct gl_transform_feedback_object *obj,
+ GLuint index, struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
{
+ /* Note: no need to FLUSH_VERTICES or flag NewTransformFeedback, because
+ * transform feedback buffers can't be changed while transform feedback is
+ * active.
+ */
+
+ /* The general binding point */
+ _mesa_reference_buffer_object(ctx,
+ &ctx->TransformFeedback.CurrentBuffer,
+ bufObj);
+
+ /* The per-attribute binding point */
+ _mesa_set_transform_feedback_binding(ctx, obj, index, bufObj, offset, size);
}
-#endif /* FEATURE_EXT_transform_feedback */
+/*** GL_ARB_direct_state_access ***/
+
+extern void GLAPIENTRY
+_mesa_TransformFeedbackBufferBase(GLuint xfb, GLuint index, GLuint buffer);
+
+extern void GLAPIENTRY
+_mesa_TransformFeedbackBufferRange(GLuint xfb, GLuint index, GLuint buffer,
+ GLintptr offset, GLsizeiptr size);
+
+extern void GLAPIENTRY
+_mesa_GetTransformFeedbackiv(GLuint xfb, GLenum pname, GLint *param);
+
+extern void GLAPIENTRY
+_mesa_GetTransformFeedbacki_v(GLuint xfb, GLenum pname, GLuint index,
+ GLint *param);
+
+extern void GLAPIENTRY
+_mesa_GetTransformFeedbacki64_v(GLuint xfb, GLenum pname, GLuint index,
+ GLint64 *param);
#endif /* TRANSFORM_FEEDBACK_H */
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