96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file
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* \ingroup gpu
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*/
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#ifndef __GPU_STATE_H__
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#define __GPU_STATE_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* These map directly to the GL_ blend functions, to minimize API add as needed*/
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typedef enum eGPUBlendFunction {
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GPU_ONE,
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GPU_SRC_ALPHA,
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GPU_ONE_MINUS_SRC_ALPHA,
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GPU_DST_COLOR,
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GPU_ZERO,
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} eGPUBlendFunction;
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/* These map directly to the GL_ filter functions, to minimize API add as needed*/
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typedef enum eGPUFilterFunction {
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GPU_NEAREST,
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GPU_LINEAR,
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} eGPUFilterFunction;
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/* Initialize
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* - sets the default Blender opengl state, if in doubt, check
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* the contents of this function
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* - this is called when starting Blender, for opengl rendering. */
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void GPU_state_init(void);
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void GPU_blend(bool enable);
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void GPU_blend_set_func(eGPUBlendFunction sfactor, eGPUBlendFunction dfactor);
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void GPU_blend_set_func_separate(eGPUBlendFunction src_rgb,
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eGPUBlendFunction dst_rgb,
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eGPUBlendFunction src_alpha,
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eGPUBlendFunction dst_alpha);
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void GPU_depth_range(float near, float far);
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void GPU_depth_test(bool enable);
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bool GPU_depth_test_enabled(void);
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void GPU_line_smooth(bool enable);
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void GPU_line_width(float width);
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void GPU_point_size(float size);
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void GPU_polygon_smooth(bool enable);
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void GPU_program_point_size(bool enable);
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void GPU_scissor(int x, int y, int width, int height);
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void GPU_scissor_get_f(float coords[4]);
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void GPU_scissor_get_i(int coords[4]);
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void GPU_viewport_size_get_f(float coords[4]);
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void GPU_viewport_size_get_i(int coords[4]);
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void GPU_color_mask(bool r, bool g, bool b, bool a);
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void GPU_depth_mask(bool depth);
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bool GPU_depth_mask_get(void);
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void GPU_stencil_mask(uint stencil);
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void GPU_unpack_row_length_set(uint len);
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void GPU_flush(void);
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void GPU_finish(void);
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void GPU_logic_op_xor_set(bool enable);
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/* Attribute push & pop. */
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typedef enum eGPUAttrMask {
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GPU_DEPTH_BUFFER_BIT = (1 << 0),
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GPU_ENABLE_BIT = (1 << 1),
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GPU_SCISSOR_BIT = (1 << 2),
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GPU_VIEWPORT_BIT = (1 << 3),
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GPU_BLEND_BIT = (1 << 4),
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} eGPUAttrMask;
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void gpuPushAttr(eGPUAttrMask mask);
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void gpuPopAttr(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __GPU_STATE_H__ */
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