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Implement support for array textures in GL driver

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note: feature detection was not implemented in the legacy driver, but the code itself probably works.
This commit is contained in:
sfan5 2025-04-06 22:16:17 +02:00
parent d5bf094f9a
commit 46db688cc8
14 changed files with 111 additions and 72 deletions
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3
irr/src/OpenGL3/Driver.cpp
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@ -71,6 +71,7 @@ void COpenGL3Driver::initFeatures()
LODBiasSupported = true;
BlendMinMaxSupported = true;
TextureMultisampleSupported = true;
Texture2DArraySupported = Version.Major >= 3 || queryExtension("GL_EXT_texture_array");
KHRDebugSupported = isVersionAtLeast(4, 6) || queryExtension("GL_KHR_debug");
if (KHRDebugSupported)
MaxLabelLength = GetInteger(GL.MAX_LABEL_LENGTH);
@ -88,6 +89,8 @@ void COpenGL3Driver::initFeatures()
MaxAnisotropy = GetInteger(GL.MAX_TEXTURE_MAX_ANISOTROPY);
MaxIndices = GetInteger(GL_MAX_ELEMENTS_INDICES);
MaxTextureSize = GetInteger(GL_MAX_TEXTURE_SIZE);
if (Texture2DArraySupported)
MaxArrayTextureLayers = GetInteger(GL_MAX_ARRAY_TEXTURE_LAYERS);
GL.GetFloatv(GL_MAX_TEXTURE_LOD_BIAS, &MaxTextureLODBias);
GL.GetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine);
DimAliasedPoint[0] = 1.0f;