X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftransformfeedback.h;h=87f4080e022d2ab1c17667e748c8af75e7a979b8;hb=9d2e298dd4159651323cac54dbc43527e7fd6d16;hp=e89cc4147369d579b4d7cce1bb2ab98a9b6d3c0b;hpb=1318848f782cce716d6376ca13aebf68b728e24c;p=mesa.git

diff --git a/src/mesa/main/transformfeedback.h b/src/mesa/main/transformfeedback.h
index e89cc414736..87f4080e022 100644
--- a/src/mesa/main/transformfeedback.h
+++ b/src/mesa/main/transformfeedback.h
@@ -16,30 +16,46 @@
  * 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 "mtypes.h"
 
+struct _glapi_table;
+struct dd_function_table;
+struct gl_context;
 
-extern GLboolean
-_mesa_validate_primitive_mode(GLcontext *ctx, GLenum mode);
+extern void
+_mesa_init_transform_feedback(struct gl_context *ctx);
+
+extern void
+_mesa_free_transform_feedback(struct gl_context *ctx);
 
 extern GLboolean
-_mesa_validate_transform_feedback_buffers(GLcontext *ctx);
+_mesa_validate_transform_feedback_buffers(struct gl_context *ctx);
 
-extern void
-_mesa_init_transform_feedback(GLcontext *ctx);
 
 extern void
-_mesa_free_transform_feedback(GLcontext *ctx);
+_mesa_init_transform_feedback_functions(struct dd_function_table *driver);
+
+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_BeginTransformFeedback(GLenum mode);
@@ -47,12 +63,17 @@ _mesa_BeginTransformFeedback(GLenum mode);
 extern void GLAPIENTRY
 _mesa_EndTransformFeedback(void);
 
-extern void GLAPIENTRY
-_mesa_BindBufferRange(GLenum target, GLuint index,
-                      GLuint buffer, GLintptr offset, GLsizeiptr size);
+extern void
+_mesa_bind_buffer_range_transform_feedback(struct gl_context *ctx,
+					   GLuint index,
+					   struct gl_buffer_object *bufObj,
+					   GLintptr offset,
+					   GLsizeiptr size);
 
-extern void GLAPIENTRY
-_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
+extern void
+_mesa_bind_buffer_base_transform_feedback(struct gl_context *ctx,
+					  GLuint index,
+					  struct gl_buffer_object *bufObj);
 
 extern void GLAPIENTRY
 _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
@@ -60,7 +81,8 @@ _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
 
 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,
@@ -68,4 +90,55 @@ _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
                                   GLsizei *size, GLenum *type, GLchar *name);
 
 
+
+/*** 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 GLboolean GLAPIENTRY
+_mesa_IsTransformFeedback(GLuint name);
+
+extern void GLAPIENTRY
+_mesa_BindTransformFeedback(GLenum target, GLuint name);
+
+extern void GLAPIENTRY
+_mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
+
+extern void GLAPIENTRY
+_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 */