mirror of
https://github.com/minetest/irrlicht.git
synced 2024-11-11 12:50:36 +01:00
f5c6d3e945
find -type f | # list all regular files grep -E '\.(h|cpp|mm)$' | # filter for source files grep -v '/mt_' | # filter out generated files grep -v '/vendor/' | # and vendored GL grep -v '/test/image_loader_test.cpp' | # and this file (has giant literals arrays) xargs -n 1 -P $(nproc) clang-format -i # reformat everything Co-authored-by: numzero <numzer0@yandex.ru>
90 lines
3.9 KiB
C++
90 lines
3.9 KiB
C++
// Copyright (C) 2023 Vitaliy Lobachevskiy
|
||
// This file is part of the "Irrlicht Engine".
|
||
// For conditions of distribution and use, see copyright notice in Irrlicht.h
|
||
|
||
#include "Driver.h"
|
||
#include <cassert>
|
||
#include "mt_opengl.h"
|
||
|
||
namespace irr
|
||
{
|
||
namespace video
|
||
{
|
||
|
||
E_DRIVER_TYPE COpenGL3Driver::getDriverType() const
|
||
{
|
||
return EDT_OPENGL3;
|
||
}
|
||
|
||
OpenGLVersion COpenGL3Driver::getVersionFromOpenGL() const
|
||
{
|
||
GLint major, minor, profile;
|
||
GL.GetIntegerv(GL_MAJOR_VERSION, &major);
|
||
GL.GetIntegerv(GL_MINOR_VERSION, &minor);
|
||
GL.GetIntegerv(GL_CONTEXT_PROFILE_MASK, &profile);
|
||
// The spec is clear a context can’t be both core and compatibility at the same time.
|
||
// However, the returned value is a mask. Ask Khronos why. -- numzero
|
||
if (profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
|
||
return {OpenGLSpec::Compat, (u8)major, (u8)minor, 0};
|
||
if (profile & GL_CONTEXT_CORE_PROFILE_BIT)
|
||
return {OpenGLSpec::Core, (u8)major, (u8)minor, 0};
|
||
os::Printer::log("Got unrecognized OpenGL profile", ELL_ERROR);
|
||
return {OpenGLSpec::Core, (u8)major, (u8)minor, 0};
|
||
}
|
||
|
||
void COpenGL3Driver::initFeatures()
|
||
{
|
||
assert(Version.Spec == OpenGLSpec::Compat);
|
||
assert(isVersionAtLeast(3, 2));
|
||
initExtensionsNew();
|
||
|
||
TextureFormats[ECF_A1R5G5B5] = {GL_RGB5_A1, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV}; // WARNING: may not be renderable
|
||
TextureFormats[ECF_R5G6B5] = {GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5}; // GL_RGB565 is an extension until 4.1
|
||
TextureFormats[ECF_R8G8B8] = {GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE}; // WARNING: may not be renderable
|
||
TextureFormats[ECF_A8R8G8B8] = {GL_RGBA8, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV};
|
||
TextureFormats[ECF_R16F] = {GL_R16F, GL_RED, GL_HALF_FLOAT};
|
||
TextureFormats[ECF_G16R16F] = {GL_RG16F, GL_RG, GL_HALF_FLOAT};
|
||
TextureFormats[ECF_A16B16G16R16F] = {GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT};
|
||
TextureFormats[ECF_R32F] = {GL_R32F, GL_RED, GL_FLOAT};
|
||
TextureFormats[ECF_G32R32F] = {GL_RG32F, GL_RG, GL_FLOAT};
|
||
TextureFormats[ECF_A32B32G32R32F] = {GL_RGBA32F, GL_RGBA, GL_FLOAT};
|
||
TextureFormats[ECF_R8] = {GL_R8, GL_RED, GL_UNSIGNED_BYTE};
|
||
TextureFormats[ECF_R8G8] = {GL_RG8, GL_RG, GL_UNSIGNED_BYTE};
|
||
TextureFormats[ECF_R16] = {GL_R16, GL_RED, GL_UNSIGNED_SHORT};
|
||
TextureFormats[ECF_R16G16] = {GL_RG16, GL_RG, GL_UNSIGNED_SHORT};
|
||
TextureFormats[ECF_D16] = {GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
|
||
TextureFormats[ECF_D32] = {GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT}; // WARNING: may not be renderable (?!)
|
||
TextureFormats[ECF_D24S8] = {GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8};
|
||
|
||
AnisotropicFilterSupported = isVersionAtLeast(4, 6) || queryExtension("GL_ARB_texture_filter_anisotropic") || queryExtension("GL_EXT_texture_filter_anisotropic");
|
||
BlendMinMaxSupported = true;
|
||
|
||
// COGLESCoreExtensionHandler::Feature
|
||
static_assert(MATERIAL_MAX_TEXTURES <= 16, "Only up to 16 textures are guaranteed");
|
||
Feature.BlendOperation = true;
|
||
Feature.ColorAttachment = GetInteger(GL_MAX_COLOR_ATTACHMENTS);
|
||
Feature.MaxTextureUnits = MATERIAL_MAX_TEXTURES;
|
||
Feature.MultipleRenderTarget = GetInteger(GL_MAX_DRAW_BUFFERS);
|
||
|
||
// COGLESCoreExtensionHandler
|
||
if (AnisotropicFilterSupported)
|
||
MaxAnisotropy = GetInteger(GL.MAX_TEXTURE_MAX_ANISOTROPY);
|
||
MaxIndices = GetInteger(GL_MAX_ELEMENTS_INDICES);
|
||
MaxTextureSize = GetInteger(GL_MAX_TEXTURE_SIZE);
|
||
GL.GetFloatv(GL_MAX_TEXTURE_LOD_BIAS, &MaxTextureLODBias);
|
||
GL.GetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine);
|
||
DimAliasedPoint[0] = 1.0f;
|
||
DimAliasedPoint[1] = 1.0f;
|
||
}
|
||
|
||
IVideoDriver *createOpenGL3Driver(const SIrrlichtCreationParameters ¶ms, io::IFileSystem *io, IContextManager *contextManager)
|
||
{
|
||
os::Printer::log("Using COpenGL3Driver", ELL_INFORMATION);
|
||
COpenGL3Driver *driver = new COpenGL3Driver(params, io, contextManager);
|
||
driver->genericDriverInit(params.WindowSize, params.Stencilbuffer); // don't call in constructor, it uses virtual function calls of driver
|
||
return driver;
|
||
}
|
||
|
||
}
|
||
}
|