Tom Rothamel
159 lines
4.0 KiB
C
159 lines
4.0 KiB
C
/**
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* This takes care of abstracting between OpenGL and OpenGL ES, by
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* choosing the appropriate header file, and renaming various names
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* in the ES case.
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*/
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#ifndef GL_COMPAT_H
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#define GL_COMPAT_H
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// Environ is defined on windows, but our GL code uses it as an
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// identifier. So get rid of it here.
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#undef environ
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#if defined __APPLE__
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#include "TargetConditionals.h"
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#if TARGET_OS_IPHONE
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#define IOS
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#endif
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#endif
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#if defined ANDROID
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#define RENPY_GLES_2
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#elif defined ANGLE
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#define RENPY_GLES_2
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#elif defined IOS
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#define RENPY_GLES_2
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#elif defined EMSCRIPTEN
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#define RENPY_GLES_2
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#elif defined RASPBERRY_PI
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#define RENPY_GLES_2
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#else
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#define RENPY_OPENGL
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#endif
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#if defined RENPY_GLES_2
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#ifdef ANGLE
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#include <EGL/egl.h>
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#endif
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#ifdef IOS
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#include <OpenGLES/ES2/gl.h>
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#else
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#include <GLES2/gl2.h>
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#endif
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typedef GLuint GLhandleARB;
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typedef GLchar GLcharARB;
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#define GL_MAX_TEXTURE_UNITS GL_MAX_TEXTURE_IMAGE_UNITS
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#define GL_RENDERBUFFER_EXT GL_RENDERBUFFER
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#define glGenRenderbuffersEXT glGenRenderbuffers
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#define glBindRenderbufferEXT glBindRenderbuffer
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#define glRenderbufferStorageEXT glRenderbufferStorage
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#define glDeleteRenderbuffersEXT glDeleteRenderbuffers
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#define GL_FRAMEBUFFER_EXT GL_FRAMEBUFFER
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#define GL_FRAMEBUFFER_BINDING_EXT GL_FRAMEBUFFER_BINDING
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#define GL_COLOR_ATTACHMENT0_EXT GL_COLOR_ATTACHMENT0
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#define glBindFramebufferEXT glBindFramebuffer
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#define glFramebufferTexture2DEXT glFramebufferTexture2D
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#define glGenFramebuffersEXT glGenFramebuffers
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#define glDeleteFramebuffersEXT glDeleteFramebuffers
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#define glCheckFramebufferStatusEXT glCheckFramebufferStatus
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#define glFramebufferRenderbufferEXT glFramebufferRenderbuffer
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#define GL_OBJECT_INFO_LOG_LENGTH_ARB GL_INFO_LOG_LENGTH
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#define GL_OBJECT_COMPILE_STATUS_ARB GL_COMPILE_STATUS
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#define GL_VERTEX_SHADER_ARB GL_VERTEX_SHADER
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#define GL_FRAGMENT_SHADER_ARB GL_FRAGMENT_SHADER
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#define GL_OBJECT_LINK_STATUS_ARB GL_LINK_STATUS
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#define glCreateShaderObjectARB glCreateShader
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#define glShaderSourceARB glShaderSource
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#define glCompileShaderARB glCompileShader
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#define glCreateProgramObjectARB glCreateProgram
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#define glAttachObjectARB glAttachShader
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#define glLinkProgramARB glLinkProgram
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#define glUseProgramObjectARB glUseProgram
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#define glGetAttribLocationARB glGetAttribLocation
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#define glGetUniformLocationARB glGetUniformLocation
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#define glUniformMatrix4fvARB glUniformMatrix4fv
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#define glUniform1iARB glUniform1i
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#define glUniform1fARB glUniform1f
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#define glUniform2fARB glUniform2f
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#define glUniform4fARB glUniform4f
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#define glVertexAttribPointerARB glVertexAttribPointer
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#define glEnableVertexAttribArrayARB glEnableVertexAttribArray
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#define glDisableVertexAttribArrayARB glDisableVertexAttribArray
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#define RENPY_THIRD_TEXTURE 1
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#endif
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#if defined RENPY_GLES_1 || defined RENPY_GLES_2
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typedef GLfloat GLdouble;
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#define glewInit() (1)
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#define GLEW_OK (1)
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#define glewGetErrorString(x) ("Unknown Error")
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#define glewIsSupported(x) (1)
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#define glClipPlane glClipPlanef
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// This isn't defined on GL ES, but that's okay, since we'll disable
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// screenshots on Android/iOS.
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#define GL_PACK_ROW_LENGTH 0
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#define glClientActiveTextureARB glClientActiveTexture
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#define glActiveTextureARB glActiveTexture
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#define GL_BGRA GL_RGBA
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#define GL_UNSIGNED_INT_8_8_8_8_REV GL_UNSIGNED_BYTE
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#define GL_MAX_TEXTURE_UNITS GL_MAX_TEXTURE_IMAGE_UNITS
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#endif
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#if defined RENPY_OPENGL
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#include <GL/glew.h>
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#define RENPY_THIRD_TEXTURE 1
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// These have to be written 2.0-style, since the ARB-style doesn't
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// include the object type.
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#undef GL_INFO_LOG_LENGTH
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#define GL_INFO_LOG_LENGTH GL_OBJECT_INFO_LOG_LENGTH_ARB
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#undef glDeleteShader
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#define glDeleteShader glDeleteObjectARB
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#undef glDeleteProgram
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#define glDeleteProgram glDeleteObjectARB
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#undef glGetShaderiv
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#define glGetShaderiv glGetObjectParameterivARB
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#undef glGetProgramiv
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#define glGetProgramiv glGetObjectParameterivARB
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#undef glGetShaderInfoLog
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#define glGetShaderInfoLog glGetInfoLogARB
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#undef glGetProgramInfoLog
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#define glGetProgramInfoLog glGetInfoLogARB
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#endif
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#endif // GL_COMPAT_H
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