minetest/irrlicht
1
0
Fork 0
mirror of https://github.com/minetest/irrlicht.git synced 2025-07-02 00:00:26 +02:00
Code Issues Projects Releases Wiki Activity

Add OpenGL3 renderer

Browse Source
This commit is contained in:
numzero
2023-02-27 16:47:30 +03:00
parent 5a95b40a0e
commit 01295c9ce6
15 changed files with 4791 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
source/Irrlicht/OpenGL/ExtensionHandler.cpp Normal file
View File

@ -0,0 +1,52 @@
// Copyright (C) 2015 Patryk Nadrowski
// Copyright (C) 2009-2010 Amundis
// 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 "ExtensionHandler.h"
#include "irrString.h"
#include "SMaterial.h"
#include "fast_atof.h"
namespace irr
{
namespace video
{
void COpenGL3ExtensionHandler::initExtensions()
{
getGLVersion();
getGLExtensions();
GLint val=0;
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_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.ColorAttachment = 1;
}
} // end namespace video
} // end namespace irr