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https://github.com/minetest/irrlicht.git
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105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
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// Copyright (C) 2008 Christian Stehno
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// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
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// 2017 modified by Michael Zeilfelder (unifying extension handlers)
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#include "COGLESExtensionHandler.h"
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#ifdef _IRR_COMPILE_WITH_OGLES1_
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#include "irrString.h"
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#include "SMaterial.h"
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#include "fast_atof.h"
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#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
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#if defined(_IRR_COMPILE_WITH_ANDROID_DEVICE_) || defined(_IRR_COMPILE_WITH_FB_DEVICE_) || defined(_IRR_COMPILE_WITH_WINDOWS_DEVICE_)
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#include <EGL/egl.h>
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#else
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#include <GLES/egl.h>
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#endif
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#endif
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namespace irr
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{
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namespace video
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{
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COGLES1ExtensionHandler::COGLES1ExtensionHandler() : COGLESCoreExtensionHandler(),
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MaxUserClipPlanes(0), MaxLights(0)
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#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
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, pGlBlendEquationOES(0), pGlBlendFuncSeparateOES(0),
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pGlBindFramebufferOES(0), pGlDeleteFramebuffersOES(0),
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pGlGenFramebuffersOES(0), pGlCheckFramebufferStatusOES(0),
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pGlFramebufferTexture2DOES(0), pGlGenerateMipmapOES(0)
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#endif
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{
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}
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void COGLES1ExtensionHandler::initExtensions()
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{
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getGLVersion();
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if (Version >= 100)
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os::Printer::log("OpenGL ES driver version is 1.1.", ELL_INFORMATION);
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else
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os::Printer::log("OpenGL ES driver version is 1.0.", ELL_WARNING);
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getGLExtensions();
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GLint val = 0;
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if (Version > 100 || FeatureAvailable[IRR_GL_IMG_user_clip_plane])
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{
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glGetIntegerv(GL_MAX_CLIP_PLANES, &val);
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MaxUserClipPlanes = static_cast<u8>(val);
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}
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glGetIntegerv(GL_MAX_LIGHTS, &val);
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MaxLights = static_cast<u8>(val);
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glGetIntegerv(GL_MAX_TEXTURE_UNITS, &val);
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Feature.MaxTextureUnits = static_cast<u8>(val);
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#ifdef GL_EXT_texture_filter_anisotropic
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if (FeatureAvailable[IRR_GL_EXT_texture_filter_anisotropic])
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{
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glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &val);
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MaxAnisotropy = static_cast<u8>(val);
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}
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#endif
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#ifdef GL_MAX_ELEMENTS_INDICES
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glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &val);
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MaxIndices = val;
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#endif
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glGetIntegerv(GL_MAX_TEXTURE_SIZE, &val);
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MaxTextureSize = static_cast<u32>(val);
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#ifdef GL_EXT_texture_lod_bias
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if (FeatureAvailable[IRR_GL_EXT_texture_lod_bias])
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glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &MaxTextureLODBias);
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#endif
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glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine);
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glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
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Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES));
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Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES_USED));
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Feature.ColorAttachment = 1;
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#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
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pGlBlendEquationOES = (PFNGLBLENDEQUATIONOESPROC)eglGetProcAddress("glBlendEquationOES");
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pGlBlendFuncSeparateOES = (PFNGLBLENDFUNCSEPARATEOESPROC)eglGetProcAddress("glBlendFuncSeparateOES");
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pGlBindFramebufferOES = (PFNGLBINDFRAMEBUFFEROESPROC)eglGetProcAddress("glBindFramebufferOES");
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pGlDeleteFramebuffersOES = (PFNGLDELETEFRAMEBUFFERSOESPROC)eglGetProcAddress("glDeleteFramebuffersOES");
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pGlGenFramebuffersOES = (PFNGLGENFRAMEBUFFERSOESPROC)eglGetProcAddress("glGenFramebuffersOES");
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pGlCheckFramebufferStatusOES = (PFNGLCHECKFRAMEBUFFERSTATUSOESPROC)eglGetProcAddress("glCheckFramebufferStatusOES");
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pGlFramebufferTexture2DOES = (PFNGLFRAMEBUFFERTEXTURE2DOESPROC)eglGetProcAddress("glFramebufferTexture2DOES");
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pGlGenerateMipmapOES = (PFNGLGENERATEMIPMAPOESPROC)eglGetProcAddress("glGenerateMipmapOES");
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#endif
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}
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} // end namespace video
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_OGLES2_
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