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/*
* mesa 3-D graphics library
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \brief Array type draw functions, the main workhorse of any OpenGL API
* \author Keith Whitwell
*/
#ifndef DRAW_H
#define DRAW_H
#include <stdbool.h>
#include "main/glheader.h"
#ifdef __cplusplus
extern "C" {
#endif
struct gl_context;
struct _mesa_prim
{
GLubyte mode; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
bool indexed;
/**
* tnl: If true, line stipple emulation will reset the pattern walker.
* vbo: If false and the primitive is a line loop, the first vertex is
* the beginning of the line loop and it won't be drawn.
* Instead, it will be moved to the end.
*/
bool begin;
/**
* tnl: If true and the primitive is a line loop, it will be closed.
* vbo: Same as tnl.
*/
bool end;
GLuint start;
GLuint count;
GLint basevertex;
GLuint num_instances;
GLuint base_instance;
GLuint draw_id;
};
/* Would like to call this a "vbo_index_buffer", but this would be
* confusing as the indices are not neccessarily yet in a non-null
* buffer object.
*/
struct _mesa_index_buffer
{
GLuint count;
unsigned index_size;
struct gl_buffer_object *obj;
const void *ptr;
};
void
_mesa_initialize_exec_dispatch(const struct gl_context *ctx,
struct _glapi_table *exec);
void GLAPIENTRY
_mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
void GLAPIENTRY
_mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
GLsizei primcount);
void GLAPIENTRY
_mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices);
void GLAPIENTRY
_mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
GLenum type, const GLvoid *indices);
void GLAPIENTRY
_mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices, GLint basevertex);
void GLAPIENTRY
_mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
GLsizei count, GLenum type,
const GLvoid *indices,
GLint basevertex);
void GLAPIENTRY
_mesa_DrawTransformFeedback(GLenum mode, GLuint name);
void GLAPIENTRY
_mesa_MultiDrawArrays(GLenum mode, const GLint *first,
const GLsizei *count, GLsizei primcount);
void GLAPIENTRY
_mesa_MultiDrawElements(GLenum mode, const GLsizei *count, GLenum type,
const GLvoid *const *indices, GLsizei primcount);
void GLAPIENTRY
_mesa_MultiDrawElementsBaseVertex(GLenum mode,
const GLsizei *count, GLenum type,
const GLvoid * const * indices, GLsizei primcount,
const GLint *basevertex);
void GLAPIENTRY
_mesa_MultiModeDrawArraysIBM(const GLenum * mode, const GLint * first,
const GLsizei * count,
GLsizei primcount, GLint modestride);
void GLAPIENTRY
_mesa_MultiModeDrawElementsIBM(const GLenum * mode, const GLsizei * count,
GLenum type, const GLvoid * const * indices,
GLsizei primcount, GLint modestride);
#ifdef __cplusplus
} // extern "C"
#endif
#endif
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