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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | /* |
| 2 | * Mesa 3-D graphics library |
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| 3 | * |
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| 4 | * Copyright (C) 2010 VMware, Inc. All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice shall be included |
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| 14 | * in all copies or substantial portions of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 23 | */ |
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| 24 | |||
| 25 | |||
| 26 | #ifndef TRANSFORM_FEEDBACK_H |
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| 27 | #define TRANSFORM_FEEDBACK_H |
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| 28 | |||
| 29 | #include |
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| 30 | #include "compiler.h" |
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| 31 | #include "glheader.h" |
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| 32 | #include "mtypes.h" |
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| 33 | |||
| 34 | struct _glapi_table; |
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| 35 | struct dd_function_table; |
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| 36 | struct gl_context; |
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| 37 | |||
| 38 | extern void |
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| 39 | _mesa_init_transform_feedback(struct gl_context *ctx); |
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| 40 | |||
| 41 | extern void |
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| 42 | _mesa_free_transform_feedback(struct gl_context *ctx); |
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| 43 | |||
| 44 | extern GLboolean |
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| 45 | _mesa_validate_transform_feedback_buffers(struct gl_context *ctx); |
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| 46 | |||
| 47 | |||
| 48 | extern void |
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| 49 | _mesa_init_transform_feedback_functions(struct dd_function_table *driver); |
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| 50 | |||
| 51 | extern unsigned |
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| 52 | _mesa_compute_max_transform_feedback_vertices( |
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| 53 | const struct gl_transform_feedback_object *obj, |
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| 54 | const struct gl_transform_feedback_info *info); |
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| 55 | |||
| 56 | |||
| 57 | /*** GL_EXT_transform_feedback ***/ |
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| 58 | |||
| 59 | extern void GLAPIENTRY |
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| 60 | _mesa_BeginTransformFeedback(GLenum mode); |
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| 61 | |||
| 62 | extern void GLAPIENTRY |
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| 63 | _mesa_EndTransformFeedback(void); |
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| 64 | |||
| 65 | extern void |
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| 66 | _mesa_bind_buffer_range_transform_feedback(struct gl_context *ctx, |
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| 67 | GLuint index, |
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| 68 | struct gl_buffer_object *bufObj, |
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| 69 | GLintptr offset, |
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| 70 | GLsizeiptr size); |
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| 71 | |||
| 72 | extern void |
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| 73 | _mesa_bind_buffer_base_transform_feedback(struct gl_context *ctx, |
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| 74 | GLuint index, |
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| 75 | struct gl_buffer_object *bufObj); |
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| 76 | |||
| 77 | extern void GLAPIENTRY |
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| 78 | _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer, |
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| 79 | GLintptr offset); |
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| 80 | |||
| 81 | extern void GLAPIENTRY |
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| 82 | _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count, |
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| 83 | const GLchar * const *varyings, |
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| 84 | GLenum bufferMode); |
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| 85 | |||
| 86 | extern void GLAPIENTRY |
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| 87 | _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index, |
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| 88 | GLsizei bufSize, GLsizei *length, |
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| 89 | GLsizei *size, GLenum *type, GLchar *name); |
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| 90 | |||
| 91 | |||
| 92 | |||
| 93 | /*** GL_ARB_transform_feedback2 ***/ |
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| 94 | |||
| 95 | struct gl_transform_feedback_object * |
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| 96 | _mesa_lookup_transform_feedback_object(struct gl_context *ctx, GLuint name); |
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| 97 | |||
| 98 | extern void GLAPIENTRY |
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| 99 | _mesa_GenTransformFeedbacks(GLsizei n, GLuint *names); |
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| 100 | |||
| 101 | extern GLboolean GLAPIENTRY |
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| 102 | _mesa_IsTransformFeedback(GLuint name); |
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| 103 | |||
| 104 | extern void GLAPIENTRY |
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| 105 | _mesa_BindTransformFeedback(GLenum target, GLuint name); |
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| 106 | |||
| 107 | extern void GLAPIENTRY |
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| 108 | _mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names); |
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| 109 | |||
| 110 | extern void GLAPIENTRY |
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| 111 | _mesa_PauseTransformFeedback(void); |
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| 112 | |||
| 113 | extern void GLAPIENTRY |
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| 114 | _mesa_ResumeTransformFeedback(void); |
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| 115 | |||
| 116 | static inline bool |
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| 117 | _mesa_is_xfb_active_and_unpaused(const struct gl_context *ctx) |
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| 118 | { |
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| 119 | return ctx->TransformFeedback.CurrentObject->Active && |
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| 120 | !ctx->TransformFeedback.CurrentObject->Paused; |
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| 121 | } |
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| 122 | |||
| 123 | #endif /* TRANSFORM_FEEDBACK_H */ |