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/*
* ***** 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.
*
* Contributor(s): Ray Molenkamp
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file GPU_state.h
* \ingroup gpu
*/
#ifndef __GPU_STATE_H__
#define __GPU_STATE_H__
/* These map directly to the GL_ blend functions, to minimize API add as needed*/
typedef enum GPUBlendFunction {
GPU_ONE,
GPU_SRC_ALPHA,
GPU_ONE_MINUS_SRC_ALPHA,
GPU_DST_COLOR,
GPU_ZERO,
} GPUBlendFunction;
/* These map directly to the GL_ filter functions, to minimize API add as needed*/
typedef enum GPUFilterFunction {
GPU_NEAREST,
GPU_LINEAR
} GPUFilterFunction;
void GPU_blend(bool enable);
void GPU_blend_set_func(GPUBlendFunction sfactor, GPUBlendFunction dfactor);
void GPU_blend_set_func_separate(
GPUBlendFunction src_rgb, GPUBlendFunction dst_rgb,
GPUBlendFunction src_alpha, GPUBlendFunction dst_alpha);
void GPU_depth_test(bool enable);
bool GPU_depth_test_enabled(void);
void GPU_line_smooth(bool enable);
void GPU_line_stipple(bool enable);
void GPU_line_width(float width);
void GPU_point_size(float size);
void GPU_polygon_smooth(bool enable);
void GPU_scissor(int x, int y, int width, int height);
void GPU_scissor_get_f(float coords[4]);
void GPU_scissor_get_i(int coords[4]);
void GPU_viewport_size_get_f(float coords[4]);
void GPU_viewport_size_get_i(int coords[4]);
#endif /* __GPU_STATE_H__ */
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