1/* Copyright (c) 2013-2019 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#ifndef VIDEO_GL_H
  7#define VIDEO_GL_H
  8
  9#include <mgba-util/common.h>
 10
 11CXX_GUARD_START
 12
 13#include <mgba/core/core.h>
 14#include <mgba/gba/interface.h>
 15#include <mgba/internal/gba/io.h>
 16#include <mgba/internal/gba/video.h>
 17
 18#ifdef USE_EPOXY
 19#include <epoxy/gl.h>
 20#elif defined(BUILD_GL)
 21#ifdef __APPLE__
 22#include <OpenGL/gl3.h>
 23#else
 24#define GL_GLEXT_PROTOTYPES
 25#include <GL/gl.h>
 26#include <GL/glext.h>
 27#endif
 28#else
 29#include <GLES2/gl2.h>
 30#endif
 31
 32struct GBAVideoGLAffine {
 33	int16_t dx;
 34	int16_t dmx;
 35	int16_t dy;
 36	int16_t dmy;
 37	int32_t sx;
 38	int32_t sy;
 39};
 40
 41struct GBAVideoGLBackground {
 42	GLuint fbo;
 43	GLuint tex;
 44
 45	unsigned index;
 46	int enabled;
 47	unsigned priority;
 48	uint32_t charBase;
 49	int mosaic;
 50	int multipalette;
 51	uint32_t screenBase;
 52	int overflow;
 53	int size;
 54	int target1;
 55	int target2;
 56	uint16_t x;
 57	uint16_t y;
 58	int32_t refx;
 59	int32_t refy;
 60
 61	struct GBAVideoGLAffine affine[2];
 62};
 63
 64struct GBAVideoGLRenderer {
 65	struct GBAVideoRenderer d;
 66
 67	struct GBAVideoGLBackground bg[4];
 68
 69	GLuint fbo[2];
 70	GLuint layers[3];
 71
 72	GLuint outputTex;
 73
 74	GLuint paletteTex;
 75	bool paletteDirty;
 76
 77	GLuint oamTex;
 78	bool oamDirty;
 79
 80	GLuint vramTex;
 81	unsigned vramDirty;
 82
 83	GLuint bgProgram[6];
 84	GLuint objProgram;
 85
 86	GLuint compositeProgram;
 87
 88	GBARegisterDISPCNT dispcnt;
 89
 90	unsigned target1Obj;
 91	unsigned target1Bd;
 92	unsigned target2Obj;
 93	unsigned target2Bd;
 94	enum GBAVideoBlendEffect blendEffect;
 95	uint16_t blda;
 96	uint16_t bldb;
 97	uint16_t bldy;
 98
 99	GBAMosaicControl mosaic;
100
101	int scale;
102};
103
104void GBAVideoGLRendererCreate(struct GBAVideoGLRenderer* renderer);
105
106CXX_GUARD_END
107
108#endif