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/*
* 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) 2005 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*/
#ifndef __GPU_DRAW_H__
#define __GPU_DRAW_H__
#ifdef __cplusplus
extern "C" {
#endif
struct ImBuf;
struct Image;
struct ImageUser;
struct Main;
struct FluidModifierData;
#include "DNA_object_enums.h"
/* OpenGL drawing functions related to shading. */
/* Initialize
* - sets the default Blender opengl state, if in doubt, check
* the contents of this function
* - this is called when starting Blender, for opengl rendering. */
void GPU_state_init(void);
/* Mipmap settings
* - these will free textures on changes */
void GPU_set_mipmap(struct Main *bmain, bool mipmap);
bool GPU_get_mipmap(void);
void GPU_set_linear_mipmap(bool linear);
bool GPU_get_linear_mipmap(void);
void GPU_paint_set_mipmap(struct Main *bmain, bool mipmap);
/* Anisotropic filtering settings
* - these will free textures on changes */
void GPU_set_anisotropic(struct Main *bmain, float value);
float GPU_get_anisotropic(void);
/* Image updates and free
* - these deal with images bound as opengl textures */
void GPU_paint_update_image(
struct Image *ima, struct ImageUser *iuser, int x, int y, int w, int h);
void GPU_create_gl_tex(unsigned int *bind,
unsigned int *rect,
float *frect,
int rectw,
int recth,
int textarget,
bool mipmap,
bool use_srgb,
struct Image *ima);
void GPU_create_gl_tex_compressed(unsigned int *bind,
int textarget,
struct Image *ima,
struct ImBuf *ibuf);
bool GPU_upload_dxt_texture(struct ImBuf *ibuf, bool use_srgb);
void GPU_free_image(struct Image *ima);
void GPU_free_images(struct Main *bmain);
void GPU_free_images_anim(struct Main *bmain);
void GPU_free_images_old(struct Main *bmain);
/* smoke drawing functions */
void GPU_free_smoke(struct FluidModifierData *mmd);
void GPU_free_smoke_velocity(struct FluidModifierData *mmd);
void GPU_create_smoke(struct FluidModifierData *mmd, int highres);
void GPU_create_smoke_coba_field(struct FluidModifierData *mmd);
void GPU_create_smoke_velocity(struct FluidModifierData *mmd);
/* Delayed free of OpenGL buffers by main thread */
void GPU_free_unused_buffers(struct Main *bmain);
/* utilities */
typedef enum eGPUAttrMask {
GPU_DEPTH_BUFFER_BIT = (1 << 0),
GPU_ENABLE_BIT = (1 << 1),
GPU_SCISSOR_BIT = (1 << 2),
GPU_VIEWPORT_BIT = (1 << 3),
GPU_BLEND_BIT = (1 << 4),
} eGPUAttrMask;
void gpuPushAttr(eGPUAttrMask mask);
void gpuPopAttr(void);
#ifdef __cplusplus
}
#endif
#endif
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