src/mesa/main/transformfeedback.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2010  VMware, Inc.  All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  20  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24
  25 #ifndef TRANSFORM_FEEDBACK_H
  26 #define TRANSFORM_FEEDBACK_H
  27
  28 #include "compiler.h"
  29 #include "glheader.h"
  30 #include "mfeatures.h"
  31
  32 struct _glapi_table;
  33 struct dd_function_table;
  34 struct gl_context;
  35
  36 extern void
  37 _mesa_init_transform_feedback(struct gl_context *ctx);
  38
  39 extern void
  40 _mesa_free_transform_feedback(struct gl_context *ctx);
  41
  42 extern GLboolean
  43 _mesa_validate_transform_feedback_buffers(struct gl_context *ctx);
  44
  45
  46 extern void
  47 _mesa_init_transform_feedback_functions(struct dd_function_table *driver);
  48
  49 extern void
  50 _mesa_init_transform_feedback_dispatch(const struct gl_context *ctx,
  51                                        struct _glapi_table *disp);
  52
  53
  54 /*** GL_EXT_transform_feedback ***/
  55
  56 extern void GLAPIENTRY
  57 _mesa_BeginTransformFeedback(GLenum mode);
  58
  59 extern void GLAPIENTRY
  60 _mesa_EndTransformFeedback(void);
  61
  62 extern void
  63 _mesa_bind_buffer_range_transform_feedback(struct gl_context *ctx,
  64                                            GLuint index,
  65                                            struct gl_buffer_object *bufObj,
  66                                            GLintptr offset,
  67                                            GLsizeiptr size);
  68
  69 extern void
  70 _mesa_bind_buffer_base_transform_feedback(struct gl_context *ctx,
  71                                           GLuint index,
  72                                           struct gl_buffer_object *bufObj);
  73
  74 extern void GLAPIENTRY
  75 _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
  76                           GLintptr offset);
  77
  78 extern void GLAPIENTRY
  79 _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
  80                                 const GLchar **varyings, GLenum bufferMode);
  81
  82 extern void GLAPIENTRY
  83 _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
  84                                   GLsizei bufSize, GLsizei *length,
  85                                   GLsizei *size, GLenum *type, GLchar *name);
  86
  87
  88
  89 /*** GL_ARB_transform_feedback2 ***/
  90
  91 struct gl_transform_feedback_object *
  92 _mesa_lookup_transform_feedback_object(struct gl_context *ctx, GLuint name);
  93
  94 extern void GLAPIENTRY
  95 _mesa_GenTransformFeedbacks(GLsizei n, GLuint *names);
  96
  97 extern GLboolean GLAPIENTRY
  98 _mesa_IsTransformFeedback(GLuint name);
  99
 100 extern void GLAPIENTRY
 101 _mesa_BindTransformFeedback(GLenum target, GLuint name);
 102
 103 extern void GLAPIENTRY
 104 _mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
 105
 106 extern void GLAPIENTRY
 107 _mesa_PauseTransformFeedback(void);
 108
 109 extern void GLAPIENTRY
 110 _mesa_ResumeTransformFeedback(void);
 111
 112 #endif /* TRANSFORM_FEEDBACK_H */