minetest/irrlicht
1
0
Fork 0
mirror of https://github.com/minetest/irrlicht.git synced 2025-06-28 06:20:21 +02:00
Code Issues Projects Releases Wiki Activity

OpenGL3: Add driver-dependent feature checks

Browse Source
This commit is contained in:
numzero
2023-04-15 18:11:08 +03:00
committed by sfan5
parent ab628e641c
commit 4ee1ab261e
8 changed files with 102 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
source/Irrlicht/OpenGLES2/Driver.cpp
View File

@ -21,6 +21,41 @@ namespace video {
return {OpenGLSpec::ES, (u8)major, (u8)minor, 0};
}
void COpenGLES2Driver::initFeatures() {
assert (Version.Major >= 2);
if (Version.Major >= 3)
initExtensionsNew();
else
initExtensionsOld();
// COGLESCoreExtensionHandler::Feature
static_assert(MATERIAL_MAX_TEXTURES <= 8, "Only up to 8 textures are guaranteed");
Feature.BlendOperation = true;
Feature.ColorAttachment = 1;
if (Version.Major >= 3 || FeatureAvailable[IRR_GL_EXT_draw_buffers])
Feature.ColorAttachment = GetInteger(GL_MAX_COLOR_ATTACHMENTS);
Feature.MaxTextureUnits = MATERIAL_MAX_TEXTURES;
if (Version.Major >= 3 || FeatureAvailable[IRR_GL_EXT_draw_buffers])
Feature.MultipleRenderTarget = GetInteger(GL_MAX_DRAW_BUFFERS);
// COGLESCoreExtensionHandler
if (FeatureAvailable[IRR_GL_EXT_texture_filter_anisotropic])
MaxAnisotropy = GetInteger(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT);
if (Version.Major >= 3 || FeatureAvailable[IRR_GL_EXT_draw_range_elements])
MaxIndices = GetInteger(GL_MAX_ELEMENTS_INDICES);
MaxTextureSize = GetInteger(GL_MAX_TEXTURE_SIZE);
if (FeatureAvailable[IRR_GL_EXT_texture_lod_bias])
glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS, &MaxTextureLODBias);
glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine); // NOTE: this is not in the OpenGL ES 2.0 spec...
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
if (Version.Major >= 3 || FeatureAvailable[IRR_GL_ARB_framebuffer_object]) {
GLint val = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_STENCIL, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, &val);
StencilBuffer = val == GL_FRAMEBUFFER_DEFAULT;
}
}
IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
{
os::Printer::log("Using COpenGLES2Driver", ELL_INFORMATION);

1
source/Irrlicht/OpenGLES2/Driver.h
View File

@ -19,6 +19,7 @@ namespace video {
protected:
OpenGLVersion getVersionFromOpenGL() const override;
void initFeatures() override;
};
}