mirror of
https://github.com/minetest/irrlicht.git
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170 lines
4.1 KiB
C++
170 lines
4.1 KiB
C++
// Copyright (C) 2023 Vitaliy Lobachevskiy
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// Copyright (C) 2015 Patryk Nadrowski
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// Copyright (C) 2009-2010 Amundis
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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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#pragma once
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#include <unordered_set>
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#include "EDriverFeatures.h"
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#include "irrTypes.h"
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#include "os.h"
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#include "Common.h"
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#include <mt_opengl.h> // must be after Common.h
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#include "COGLESCoreExtensionHandler.h"
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namespace irr
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{
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namespace video
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{
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class COpenGL3ExtensionHandler : public COGLESCoreExtensionHandler
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{
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public:
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COpenGL3ExtensionHandler() : COGLESCoreExtensionHandler() {}
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void initExtensionsOld();
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void initExtensionsNew();
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/// Checks whether a named extension is present
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bool queryExtension(const std::string &name) const noexcept;
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bool queryFeature(video::E_VIDEO_DRIVER_FEATURE feature) const
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{
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switch (feature)
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{
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case EVDF_RENDER_TO_TARGET:
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case EVDF_HARDWARE_TL:
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case EVDF_MULTITEXTURE:
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case EVDF_BILINEAR_FILTER:
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case EVDF_MIP_MAP:
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case EVDF_MIP_MAP_AUTO_UPDATE:
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case EVDF_VERTEX_SHADER_1_1:
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case EVDF_PIXEL_SHADER_1_1:
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case EVDF_PIXEL_SHADER_1_2:
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case EVDF_PIXEL_SHADER_2_0:
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case EVDF_VERTEX_SHADER_2_0:
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case EVDF_ARB_GLSL:
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case EVDF_TEXTURE_NSQUARE:
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case EVDF_TEXTURE_NPOT:
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case EVDF_FRAMEBUFFER_OBJECT:
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case EVDF_VERTEX_BUFFER_OBJECT:
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case EVDF_COLOR_MASK:
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case EVDF_ALPHA_TO_COVERAGE:
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case EVDF_POLYGON_OFFSET:
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case EVDF_BLEND_OPERATIONS:
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case EVDF_BLEND_SEPARATE:
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case EVDF_TEXTURE_MATRIX:
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case EVDF_TEXTURE_CUBEMAP:
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return true;
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case EVDF_ARB_VERTEX_PROGRAM_1:
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case EVDF_ARB_FRAGMENT_PROGRAM_1:
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case EVDF_GEOMETRY_SHADER:
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case EVDF_MULTIPLE_RENDER_TARGETS:
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case EVDF_MRT_BLEND:
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case EVDF_MRT_COLOR_MASK:
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case EVDF_MRT_BLEND_FUNC:
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case EVDF_OCCLUSION_QUERY:
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return false;
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case EVDF_STENCIL_BUFFER:
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return StencilBuffer;
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default:
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return false;
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};
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}
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static GLint GetInteger(GLenum key) {
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GLint val = 0;
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GL.GetIntegerv(key, &val);
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return val;
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};
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inline void irrGlActiveTexture(GLenum texture)
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{
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GL.ActiveTexture(texture);
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}
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inline void irrGlCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border,
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GLsizei imageSize, const void* data)
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{
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os::Printer::log("Compressed textures aren't supported", ELL_ERROR);
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}
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inline void irrGlCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
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GLenum format, GLsizei imageSize, const void* data)
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{
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os::Printer::log("Compressed textures aren't supported", ELL_ERROR);
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}
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inline void irrGlUseProgram(GLuint prog)
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{
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GL.UseProgram(prog);
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}
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inline void irrGlBindFramebuffer(GLenum target, GLuint framebuffer)
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{
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GL.BindFramebuffer(target, framebuffer);
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}
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inline void irrGlDeleteFramebuffers(GLsizei n, const GLuint *framebuffers)
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{
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GL.DeleteFramebuffers(n, framebuffers);
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}
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inline void irrGlGenFramebuffers(GLsizei n, GLuint *framebuffers)
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{
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GL.GenFramebuffers(n, framebuffers);
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}
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inline GLenum irrGlCheckFramebufferStatus(GLenum target)
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{
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return GL.CheckFramebufferStatus(target);
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}
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inline void irrGlFramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
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{
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GL.FramebufferTexture2D(target, attachment, textarget, texture, level);
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}
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inline void irrGlGenerateMipmap(GLenum target)
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{
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GL.GenerateMipmap(target);
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}
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inline void irrGlDrawBuffer(GLenum mode)
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{
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GL.DrawBuffer(mode);
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}
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inline void irrGlDrawBuffers(GLsizei n, const GLenum *bufs)
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{
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GL.DrawBuffers(n, bufs);
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}
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inline void irrGlBlendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha)
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{
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GL.BlendFuncSeparate(sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha);
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}
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inline void irrGlBlendEquation(GLenum mode)
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{
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GL.BlendEquation(mode);
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}
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bool AnisotropicFilterSupported = false;
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bool BlendMinMaxSupported = false;
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private:
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void addExtension(std::string &&name);
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void extensionsLoaded();
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std::unordered_set<std::string> Extensions;
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};
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}
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}
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