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 #if FEATURE_EXT_transform_feedback
  43
  44 extern GLboolean
  45 _mesa_validate_primitive_mode(struct gl_context *ctx, GLenum mode);
  46
  47 extern GLboolean
  48 _mesa_validate_transform_feedback_buffers(struct gl_context *ctx);
  49
  50
  51 extern void
  52 _mesa_init_transform_feedback_functions(struct dd_function_table *driver);
  53
  54 extern void
  55 _mesa_init_transform_feedback_dispatch(struct _glapi_table *disp);
  56
  57
  58 /*** GL_EXT_transform_feedback ***/
  59
  60 extern void GLAPIENTRY
  61 _mesa_BeginTransformFeedback(GLenum mode);
  62
  63 extern void GLAPIENTRY
  64 _mesa_EndTransformFeedback(void);
  65
  66 extern void GLAPIENTRY
  67 _mesa_BindBufferRange(GLenum target, GLuint index,
  68                       GLuint buffer, GLintptr offset, GLsizeiptr size);
  69
  70 extern void GLAPIENTRY
  71 _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
  72
  73 extern void GLAPIENTRY
  74 _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
  75                           GLintptr offset);
  76
  77 extern void GLAPIENTRY
  78 _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
  79                                 const GLchar **varyings, GLenum bufferMode);
  80
  81 extern void GLAPIENTRY
  82 _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
  83                                   GLsizei bufSize, GLsizei *length,
  84                                   GLsizei *size, GLenum *type, GLchar *name);
  85
  86
  87
  88 /*** GL_ARB_transform_feedback2 ***/
  89
  90 struct gl_transform_feedback_object *
  91 _mesa_lookup_transform_feedback_object(struct gl_context *ctx, GLuint name);
  92
  93 extern void GLAPIENTRY
  94 _mesa_GenTransformFeedbacks(GLsizei n, GLuint *names);
  95
  96 extern GLboolean GLAPIENTRY
  97 _mesa_IsTransformFeedback(GLuint name);
  98
  99 extern void GLAPIENTRY
 100 _mesa_BindTransformFeedback(GLenum target, GLuint name);
 101
 102 extern void GLAPIENTRY
 103 _mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
 104
 105 extern void GLAPIENTRY
 106 _mesa_PauseTransformFeedback(void);
 107
 108 extern void GLAPIENTRY
 109 _mesa_ResumeTransformFeedback(void);
 110
 111 #else /* FEATURE_EXT_transform_feedback */
 112
 113 static inline GLboolean
 114 _mesa_validate_primitive_mode(struct gl_context *ctx, GLenum mode)
 115 {
 116    return GL_TRUE;
 117 }
 118
 119 static inline GLboolean
 120 _mesa_validate_transform_feedback_buffers(struct gl_context *ctx)
 121 {
 122    return GL_TRUE;
 123 }
 124
 125 static inline void
 126 _mesa_init_transform_feedback_functions(struct dd_function_table *driver)
 127 {
 128 }
 129
 130 static inline void
 131 _mesa_init_transform_feedback_dispatch(struct _glapi_table *disp)
 132 {
 133 }
 134
 135 #endif /* FEATURE_EXT_transform_feedback */
 136
 137 #endif /* TRANSFORM_FEEDBACK_H */