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 "main/mtypes.h"
  29
  30
  31 extern void
  32 _mesa_init_transform_feedback(struct gl_context *ctx);
  33
  34 extern void
  35 _mesa_free_transform_feedback(struct gl_context *ctx);
  36
  37 #if FEATURE_EXT_transform_feedback
  38
  39 extern GLboolean
  40 _mesa_validate_primitive_mode(struct gl_context *ctx, GLenum mode);
  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(struct _glapi_table *disp);
  51
  52
  53 /*** GL_EXT_transform_feedback ***/
  54
  55 extern void GLAPIENTRY
  56 _mesa_BeginTransformFeedback(GLenum mode);
  57
  58 extern void GLAPIENTRY
  59 _mesa_EndTransformFeedback(void);
  60
  61 extern void GLAPIENTRY
  62 _mesa_BindBufferRange(GLenum target, GLuint index,
  63                       GLuint buffer, GLintptr offset, GLsizeiptr size);
  64
  65 extern void GLAPIENTRY
  66 _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
  67
  68 extern void GLAPIENTRY
  69 _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
  70                           GLintptr offset);
  71
  72 extern void GLAPIENTRY
  73 _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
  74                                 const GLchar **varyings, GLenum bufferMode);
  75
  76 extern void GLAPIENTRY
  77 _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
  78                                   GLsizei bufSize, GLsizei *length,
  79                                   GLsizei *size, GLenum *type, GLchar *name);
  80
  81
  82
  83 /*** GL_ARB_transform_feedback2 ***/
  84
  85 extern void GLAPIENTRY
  86 _mesa_GenTransformFeedbacks(GLsizei n, GLuint *names);
  87
  88 extern GLboolean GLAPIENTRY
  89 _mesa_IsTransformFeedback(GLuint name);
  90
  91 extern void GLAPIENTRY
  92 _mesa_BindTransformFeedback(GLenum target, GLuint name);
  93
  94 extern void GLAPIENTRY
  95 _mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
  96
  97 extern void GLAPIENTRY
  98 _mesa_PauseTransformFeedback(void);
  99
 100 extern void GLAPIENTRY
 101 _mesa_ResumeTransformFeedback(void);
 102
 103 extern void GLAPIENTRY
 104 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 105
 106 #else /* FEATURE_EXT_transform_feedback */
 107
 108 static INLINE GLboolean
 109 _mesa_validate_primitive_mode(struct gl_context *ctx, GLenum mode)
 110 {
 111    return GL_TRUE;
 112 }
 113
 114 static INLINE GLboolean
 115 _mesa_validate_transform_feedback_buffers(struct gl_context *ctx)
 116 {
 117    return GL_TRUE;
 118 }
 119
 120 static INLINE void
 121 _mesa_init_transform_feedback_functions(struct dd_function_table *driver)
 122 {
 123 }
 124
 125 static INLINE void
 126 _mesa_init_transform_feedback_dispatch(struct _glapi_table *disp)
 127 {
 128 }
 129
 130 #endif /* FEATURE_EXT_transform_feedback */
 131
 132 #endif /* TRANSFORM_FEEDBACK_H */