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| author | cutealien <cutealien@dfc29bdd-3216-0410-991c-e03cc46cb475> | 2020-01-03 19:05:16 +0000 |
|---|---|---|
| committer | cutealien <cutealien@dfc29bdd-3216-0410-991c-e03cc46cb475> | 2020-01-03 19:05:16 +0000 |
| commit | 2ae2a551a6290f46734307bbfdafea4b1a2cf2ba (patch) | |
| tree | ba2f0b468640e44899fed3df2d4cc58795f4a003 /source/Irrlicht/COGLESExtensionHandler.cpp | |
| download | irrlicht-2ae2a551a6290f46734307bbfdafea4b1a2cf2ba.tar.xz | |
Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
Diffstat (limited to 'source/Irrlicht/COGLESExtensionHandler.cpp')
| -rw-r--r-- | source/Irrlicht/COGLESExtensionHandler.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/source/Irrlicht/COGLESExtensionHandler.cpp b/source/Irrlicht/COGLESExtensionHandler.cpp new file mode 100644 index 0000000..4badf22 --- /dev/null +++ b/source/Irrlicht/COGLESExtensionHandler.cpp @@ -0,0 +1,104 @@ +// Copyright (C) 2008 Christian Stehno
+// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
+// 2017 modified by Michael Zeilfelder (unifying extension handlers)
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in Irrlicht.h
+
+#include "COGLESExtensionHandler.h"
+
+#ifdef _IRR_COMPILE_WITH_OGLES1_
+
+#include "irrString.h"
+#include "SMaterial.h"
+#include "fast_atof.h"
+
+#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
+#if defined(_IRR_COMPILE_WITH_ANDROID_DEVICE_) || defined(_IRR_COMPILE_WITH_FB_DEVICE_) || defined(_IRR_COMPILE_WITH_WINDOWS_DEVICE_)
+#include <EGL/egl.h>
+#else
+#include <GLES/egl.h>
+#endif
+#endif
+
+namespace irr
+{
+namespace video
+{
+
+ COGLES1ExtensionHandler::COGLES1ExtensionHandler() : COGLESCoreExtensionHandler(),
+ MaxUserClipPlanes(0), MaxLights(0)
+#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
+ , pGlBlendEquationOES(0), pGlBlendFuncSeparateOES(0),
+ pGlBindFramebufferOES(0), pGlDeleteFramebuffersOES(0),
+ pGlGenFramebuffersOES(0), pGlCheckFramebufferStatusOES(0),
+ pGlFramebufferTexture2DOES(0), pGlGenerateMipmapOES(0)
+#endif
+ {
+ }
+
+ void COGLES1ExtensionHandler::initExtensions()
+ {
+ getGLVersion();
+
+ if (Version >= 100)
+ os::Printer::log("OpenGL ES driver version is 1.1.", ELL_INFORMATION);
+ else
+ os::Printer::log("OpenGL ES driver version is 1.0.", ELL_WARNING);
+
+ getGLExtensions();
+
+ GLint val = 0;
+
+ if (Version > 100 || FeatureAvailable[IRR_GL_IMG_user_clip_plane])
+ {
+ glGetIntegerv(GL_MAX_CLIP_PLANES, &val);
+ MaxUserClipPlanes = static_cast<u8>(val);
+ }
+
+ glGetIntegerv(GL_MAX_LIGHTS, &val);
+ MaxLights = static_cast<u8>(val);
+
+ glGetIntegerv(GL_MAX_TEXTURE_UNITS, &val);
+ Feature.MaxTextureUnits = static_cast<u8>(val);
+
+#ifdef GL_EXT_texture_filter_anisotropic
+ if (FeatureAvailable[IRR_GL_EXT_texture_filter_anisotropic])
+ {
+ glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &val);
+ MaxAnisotropy = static_cast<u8>(val);
+ }
+#endif
+#ifdef GL_MAX_ELEMENTS_INDICES
+ glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &val);
+ MaxIndices = val;
+#endif
+ glGetIntegerv(GL_MAX_TEXTURE_SIZE, &val);
+ MaxTextureSize = static_cast<u32>(val);
+#ifdef GL_EXT_texture_lod_bias
+ if (FeatureAvailable[IRR_GL_EXT_texture_lod_bias])
+ glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &MaxTextureLODBias);
+#endif
+ glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine);
+ glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
+
+ Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES));
+ Feature.MaxTextureUnits = core::min_(Feature.MaxTextureUnits, static_cast<u8>(MATERIAL_MAX_TEXTURES_USED));
+ Feature.ColorAttachment = 1;
+
+#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
+ pGlBlendEquationOES = (PFNGLBLENDEQUATIONOESPROC)eglGetProcAddress("glBlendEquationOES");
+ pGlBlendFuncSeparateOES = (PFNGLBLENDFUNCSEPARATEOESPROC)eglGetProcAddress("glBlendFuncSeparateOES");
+ pGlBindFramebufferOES = (PFNGLBINDFRAMEBUFFEROESPROC)eglGetProcAddress("glBindFramebufferOES");
+ pGlDeleteFramebuffersOES = (PFNGLDELETEFRAMEBUFFERSOESPROC)eglGetProcAddress("glDeleteFramebuffersOES");
+ pGlGenFramebuffersOES = (PFNGLGENFRAMEBUFFERSOESPROC)eglGetProcAddress("glGenFramebuffersOES");
+ pGlCheckFramebufferStatusOES = (PFNGLCHECKFRAMEBUFFERSTATUSOESPROC)eglGetProcAddress("glCheckFramebufferStatusOES");
+ pGlFramebufferTexture2DOES = (PFNGLFRAMEBUFFERTEXTURE2DOESPROC)eglGetProcAddress("glFramebufferTexture2DOES");
+ pGlGenerateMipmapOES = (PFNGLGENERATEMIPMAPOESPROC)eglGetProcAddress("glGenerateMipmapOES");
+#endif
+ }
+
+} // end namespace video
+} // end namespace irr
+
+
+#endif // _IRR_COMPILE_WITH_OGLES2_
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