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
  50 /*** GL_EXT_transform_feedback ***/
  51
  52 extern void GLAPIENTRY
  53 _mesa_BeginTransformFeedback(GLenum mode);
  54
  55 extern void GLAPIENTRY
  56 _mesa_EndTransformFeedback(void);
  57
  58 extern void
  59 _mesa_bind_buffer_range_transform_feedback(struct gl_context *ctx,
  60                                            GLuint index,
  61                                            struct gl_buffer_object *bufObj,
  62                                            GLintptr offset,
  63                                            GLsizeiptr size);
  64
  65 extern void
  66 _mesa_bind_buffer_base_transform_feedback(struct gl_context *ctx,
  67                                           GLuint index,
  68                                           struct gl_buffer_object *bufObj);
  69
  70 extern void GLAPIENTRY
  71 _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
  72                           GLintptr offset);
  73
  74 extern void GLAPIENTRY
  75 _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
  76                                 const GLchar * const *varyings,
  77                                 GLenum bufferMode);
  78
  79 extern void GLAPIENTRY
  80 _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
  81                                   GLsizei bufSize, GLsizei *length,
  82                                   GLsizei *size, GLenum *type, GLchar *name);
  83
  84
  85
  86 /*** GL_ARB_transform_feedback2 ***/
  87
  88 struct gl_transform_feedback_object *
  89 _mesa_lookup_transform_feedback_object(struct gl_context *ctx, GLuint name);
  90
  91 extern void GLAPIENTRY
  92 _mesa_GenTransformFeedbacks(GLsizei n, GLuint *names);
  93
  94 extern GLboolean GLAPIENTRY
  95 _mesa_IsTransformFeedback(GLuint name);
  96
  97 extern void GLAPIENTRY
  98 _mesa_BindTransformFeedback(GLenum target, GLuint name);
  99
 100 extern void GLAPIENTRY
 101 _mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
 102
 103 extern void GLAPIENTRY
 104 _mesa_PauseTransformFeedback(void);
 105
 106 extern void GLAPIENTRY
 107 _mesa_ResumeTransformFeedback(void);
 108
 109 #endif /* TRANSFORM_FEEDBACK_H */