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[Feat] (MG_Backend, MG_Impl): expose experimental GL 4.6 CTS limits

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swung0x48
2026-07-30 23:00:13 -04:00
parent 77bd03d962
commit 7e8c32a063
10 changed files with 320 additions and 8 deletions
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MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp
+20 -1
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@@ -20,6 +20,7 @@
#include <MG_Util/Texture/TextureFormatProcessor.h>
#include <Config.h>
#include <algorithm>
#include <cmath>
#include <format>
namespace MobileGL::MG_Backend::DirectGLES {
@@ -603,7 +604,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
.ExtraVendor = Nullopt, // Extra vendor
.RendererGLInfo =
{
.TargetGLVersion = {3, 3, 0}, // Target OpenGL Version
.TargetGLVersion = {4, 6, 0}, // Experimental GL CTS target version
.TargetGLSLVersion = {4, 6, 0}, // Target Shading Language Version
// Baseline advertisement (no timer queries / anisotropy yet); reconciled
// once the ES capabilities exist, see UpdateAdvertisedCapabilityExtensions.
@@ -1034,6 +1035,24 @@ namespace MobileGL::MG_Backend::DirectGLES {
m_dynamicParameters.ViewportBoundsRangeMin = m_GLESCapabilities.ViewportBoundsRangeMin;
m_dynamicParameters.ViewportBoundsRangeMax = m_GLESCapabilities.ViewportBoundsRangeMax;
m_dynamicParameters.ViewportSubpixelBits = m_GLESCapabilities.ViewportSubpixelBits;
m_dynamicParameters.MinFragmentInterpolationOffset =
std::isfinite(m_GLESCapabilities.MinFragmentInterpolationOffset) &&
m_GLESCapabilities.MinFragmentInterpolationOffset <= -0.5f
? m_GLESCapabilities.MinFragmentInterpolationOffset
: -0.5f;
m_dynamicParameters.MaxFragmentInterpolationOffset = 0.4375f;
m_dynamicParameters.FragmentInterpolationOffsetBits = 4;
if (m_GLESCapabilities.FragmentInterpolationOffsetBits >= 4 &&
std::isfinite(m_GLESCapabilities.MaxFragmentInterpolationOffset)) {
const Float requiredMaxOffset =
0.5f - std::ldexp(1.0f, -m_GLESCapabilities.FragmentInterpolationOffsetBits);
if (m_GLESCapabilities.MaxFragmentInterpolationOffset >= requiredMaxOffset) {
m_dynamicParameters.MaxFragmentInterpolationOffset =
m_GLESCapabilities.MaxFragmentInterpolationOffset;
m_dynamicParameters.FragmentInterpolationOffsetBits =
m_GLESCapabilities.FragmentInterpolationOffsetBits;
}
}
m_dynamicParameters.SupportsWideLines =
m_GLESCapabilities.AliasedLineWidthRangeMax > 1.0f || m_GLESCapabilities.SmoothLineWidthRangeMax > 1.0f;