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#ifndef _GPU_RASTER_H_
#define _GPU_RASTER_H_
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2013 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Jason Wilkins.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file source/blender/gpu/GPU_raster.h
* \ingroup gpu
*/
#include "GPU_glew.h"
#ifdef __cplusplus
extern "C" {
#endif
/* OpenGL stipple defines */
extern const GLubyte GPU_stipple_halftone [128];
extern const GLubyte GPU_stipple_quarttone [128];
extern const GLubyte GPU_stipple_diag_stripes_pos[128];
extern const GLubyte GPU_stipple_diag_stripes_neg[128];
extern const GLubyte GPU_stipple_checker_8px [128];
typedef enum GPURasterShaderOption {
GPU_RASTER_STIPPLE = (1<<0), /* polygon or line stippling */
GPU_RASTER_AA = (1<<1), /* anti-aliasing */
GPU_RASTER_POLYGON = (1<<2), /* choose polygon or line */
GPU_RASTER_OPTIONS_NUM = 3,
GPU_RASTER_OPTION_COMBINATIONS = (1<<GPU_RASTER_OPTIONS_NUM)
} GPURasterShaderOption;
void GPU_raster_begin(void);
void GPU_raster_end (void);
void GPU_raster_set_line_style(int factor);
void gpuPolygonStipple(const GLubyte* mask);
void gpuLineStipple(GLint factor, GLushort pattern);
void gpuLineWidth(GLfloat width);
GLfloat gpuGetLineWidth(void);
void gpuPolygonMode(GLenum mode);
GLenum gpuGetPolygonMode(void);
#if defined(GLEW_ES_ONLY)
/* ES 2.0 doesn't define LINE and FILL, but the immediate mode replacement library emulates PolygonMode */
/* (GL core has deprecated PolygonMode, but it should still be in the header) */
#ifndef GL_LINE
#define GL_LINE 0x1B01
#endif
#ifndef GL_FILL
#define GL_FILL 0x1B02
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* _GPU_RASTER_H_ */
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