dolphin/Source/Core/VideoBackends/OGL/GLUtil.h
2013-12-31 19:18:30 -06:00

89 lines
2.6 KiB
C

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#ifndef _GLINIT_H_
#define _GLINIT_H_
#include "VideoConfig.h"
#include "MathUtil.h"
#include "GLInterface.h"
#ifndef GL_DEPTH24_STENCIL8_EXT // allows FBOs to support stencils
#define GL_DEPTH_STENCIL_EXT 0x84F9
#define GL_UNSIGNED_INT_24_8_EXT 0x84FA
#define GL_DEPTH24_STENCIL8_EXT 0x88F0
#define GL_TEXTURE_STENCIL_SIZE_EXT 0x88F1
#endif
#ifdef USE_GLES
#define TEX2D GL_TEXTURE_2D
#define PREC "highp"
#define TEXTYPE "sampler2D"
#define TEXFUNC "texture2D"
#ifdef USE_GLES3
#include "GLFunctions.h"
#define GLAPIENTRY GL_APIENTRY
#define GL_SAMPLES_PASSED GL_ANY_SAMPLES_PASSED
#define GL_READ_ONLY 0x88B8
#define GL_WRITE_ONLY 0x88B9
#define GL_READ_WRITE 0x88BA
#define GL_SRC1_ALPHA 0
#define GL_BGRA GL_RGBA
#define GL_MAP_COHERENT_BIT 0
#define GL_MAP_PERSISTENT_BIT 0
#define glDrawElementsBaseVertex(...)
#define glDrawRangeElementsBaseVertex(...)
#define glRenderbufferStorageMultisampleCoverageNV(...)
#define glViewportIndexedf(...)
#define glBufferStorage(...)
#endif
#else
#define TEX2D GL_TEXTURE_RECTANGLE_ARB
#define PREC
#define TEXTYPE "sampler2DRect"
#define TEXFUNC "texture2DRect"
#endif
#ifndef _WIN32
#include <sys/types.h>
#endif
void InitInterface();
// Helpers
GLuint OpenGL_CompileProgram(const char *vertexShader, const char *fragmentShader);
// Error reporting - use the convenient macros.
void OpenGL_ReportARBProgramError();
GLuint OpenGL_ReportGLError(const char *function, const char *file, int line);
bool OpenGL_ReportFBOError(const char *function, const char *file, int line);
#if defined(_DEBUG) || defined(DEBUGFAST)
#define GL_REPORT_ERROR() OpenGL_ReportGLError(__FUNCTION__, __FILE__, __LINE__)
#define GL_REPORT_ERRORD() OpenGL_ReportGLError(__FUNCTION__, __FILE__, __LINE__)
#define GL_REPORT_FBO_ERROR() OpenGL_ReportFBOError(__FUNCTION__, __FILE__, __LINE__)
#define GL_REPORT_PROGRAM_ERROR() OpenGL_ReportARBProgramError()
#else
__forceinline GLenum GL_REPORT_ERROR() { return GL_NO_ERROR; }
#define GL_REPORT_ERRORD() (void)GL_NO_ERROR
#define GL_REPORT_FBO_ERROR() (void)true
#define GL_REPORT_PROGRAM_ERROR() (void)0
#endif
// this should be removed in future, but as long as glsl is unstable, we should really read this messages
#if defined(_DEBUG) || defined(DEBUGFAST)
#define DEBUG_GLSL 1
#else
#define DEBUG_GLSL 0
#endif
// Isn't defined if we aren't using GLEW 1.6
#ifndef GL_ONE_MINUS_SRC1_ALPHA
#define GL_ONE_MINUS_SRC1_ALPHA 0x88FB
#endif
#endif // _GLINIT_H_