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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/DirectVulkan/BackendObject_DirectVulkan.cpp
+19 -1
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@@ -18,6 +18,7 @@
#include "MG_Util/Texture/TextureFormatProcessor.h"
#include <Config.h>
#include <cmath>
#include <cstdlib>
#include <cstring>
@@ -505,7 +506,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
.ExtraVendor = Nullopt,
.RendererGLInfo =
{
.TargetGLVersion = {3, 3, 0},
.TargetGLVersion = {4, 6, 0}, // Experimental GL CTS target version
.TargetGLSLVersion = {4, 6, 0},
// Baseline advertisement (no shader subgroup, no timer queries); a
// live backend reconciles its copy in UpdateAdvertisedExtensions.
@@ -796,6 +797,23 @@ namespace MobileGL::MG_Backend::DirectVulkan {
m_dynamicParameters.ViewportBoundsRangeMin = m_vulkanCaps.ViewportBoundsRangeMin;
m_dynamicParameters.ViewportBoundsRangeMax = m_vulkanCaps.ViewportBoundsRangeMax;
m_dynamicParameters.ViewportSubpixelBits = m_vulkanCaps.ViewportSubpixelBits;
m_dynamicParameters.MinFragmentInterpolationOffset =
std::isfinite(m_vulkanCaps.MinFragmentInterpolationOffset) &&
m_vulkanCaps.MinFragmentInterpolationOffset <= -0.5f
? m_vulkanCaps.MinFragmentInterpolationOffset
: -0.5f;
m_dynamicParameters.MaxFragmentInterpolationOffset = 0.4375f;
m_dynamicParameters.FragmentInterpolationOffsetBits = 4;
if (m_vulkanCaps.FragmentInterpolationOffsetBits >= 4 &&
std::isfinite(m_vulkanCaps.MaxFragmentInterpolationOffset)) {
const Float requiredMaxOffset =
0.5f - std::ldexp(1.0f, -m_vulkanCaps.FragmentInterpolationOffsetBits);
if (m_vulkanCaps.MaxFragmentInterpolationOffset >= requiredMaxOffset) {
m_dynamicParameters.MaxFragmentInterpolationOffset = m_vulkanCaps.MaxFragmentInterpolationOffset;
m_dynamicParameters.FragmentInterpolationOffsetBits =
m_vulkanCaps.FragmentInterpolationOffsetBits;
}
}
m_dynamicParameters.SupportsWideLines = m_vulkanCaps.SupportsWideLines;
m_dynamicParameters.MaxShaderStorageBlockSize =
std::min(m_vulkanCaps.MaxShaderStorageBlockSize, kMaxAdvertisedShaderStorageBlockSize);