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[Feat, Test] (DirectGLES, DirectVulkan, SelfTest): advertise the implemented extensions that were never named

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swung0x48
2026-08-22 21:54:17 -04:00
parent 0fdcb5d6c4
commit dc543fa905
7 changed files with 186 additions and 23 deletions
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MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
+56 -3
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@@ -504,7 +504,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
.TargetGLSLVersion = {4, 6, 0},
// Baseline advertisement (no runtime-gated capabilities); a live
// backend reconciles its copy in UpdateAdvertisedExtensions.
.Extensions = BuildAdvertisedExtensions(false, false, false, false),
.Extensions = BuildAdvertisedExtensions(false, false, false, false, false),
.IsCompatibilityProfile = false},
.StaticBackendCapability = {.AllowVSOnlyPrograms = false}};
return rendererInfo;
@@ -512,7 +512,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Vector<GLExtension> BuildAdvertisedExtensions(Bool shaderSubgroupSupported, Bool timerQueriesSupported,
Bool anisotropicFilteringSupported,
Bool nonZeroIndirectBaseInstanceSupported) {
Bool nonZeroIndirectBaseInstanceSupported,
Bool cubeMapArraySupported) {
Vector<GLExtension> extensions = {
// The version tokens have to reach the version the backend actually claims:
// TargetGLVersion is {4,3,0}, and a list that stopped at OpenGL40 told an
@@ -571,6 +572,46 @@ namespace MobileGL::MG_Backend::DirectVulkan {
// ALTERNATIVE to a 3.3 context when deciding whether instanced rendering is
// available, so withholding it makes MobileGL look less capable than it is.
E_GL_ARB_instanced_arrays,
// Core GL 3.0-4.3 plumbing that has been real here for as long as the backend has
// existed, and that was simply never named. None of these unlocks a single CTS case -
// the conformance suite reaches all of them through the version - so they are
// advertised for the OTHER consumer of this list: LWJGL builds GLCapabilities from the
// string set, and an application that gates its ENTRY POINTS on the string rather than
// on the version never resolves them and then calls through null. Each is backed by
// the entry points named beside it. Kept identical to the DirectGLES block so the two
// backends do not disagree about what MobileGL is.
//
// glBindVertexArray / glGenVertexArrays / glDeleteVertexArrays / glIsVertexArray.
E_GL_ARB_vertex_array_object,
// The 14 glSamplerParameter* / glGetSamplerParameter* entry points, including the
// integer-valued Iiv/Iuiv forms.
E_GL_ARB_sampler_objects,
// glMapBufferRange + glFlushMappedBufferRange, which ARB_buffer_storage's persistent
// maps are already built on top of.
E_GL_ARB_map_buffer_range,
// glCopyBufferSubData plus the GL_COPY_READ_BUFFER / GL_COPY_WRITE_BUFFER targets.
E_GL_ARB_copy_buffer,
// glCopyImageSubData, wired to a real backend hook on both backends.
E_GL_ARB_copy_image,
// GL_TEXTURE_SWIZZLE_{R,G,B,A,RGBA}, which map onto a VkImageView's component swizzle.
E_GL_ARB_texture_swizzle,
// GL_INT_2_10_10_10_REV / GL_UNSIGNED_INT_2_10_10_10_REV on glVertexAttribPointer plus
// the eight glVertexAttribP* entry points.
E_GL_ARB_vertex_type_2_10_10_10_rev,
// The R/RG internal formats. Named separately from the float ones because an
// application may check either.
E_GL_ARB_texture_rg,
// GL_DEPTH_COMPONENT32F and GL_DEPTH32F_STENCIL8.
E_GL_ARB_depth_buffer_float,
// The floating-point colour formats. Unlike the rest of this block this string DOES
// gate CTS cases - KHR-GL4*.internalformat.texture2d.*{16f,32f} is keyed on it with no
// core-version fallback, so eight cases per version list were NotSupported on formats
// the backend has always had.
E_GL_ARB_texture_float,
// glViewportArrayv / glViewportIndexedf{,v} / glScissorArrayv / glScissorIndexed{,v} /
// glDepthRangeArrayv / glDepthRangeIndexed / glGetFloati_v / glGetDoublei_v, over the
// 16 viewports GL_MAX_VIEWPORTS reports.
E_GL_ARB_viewport_array,
// Advertised with GL_NUM_PROGRAM_BINARY_FORMATS = 0, which the
// extension explicitly permits. It is also the only thing that
// exposes glProgramParameteri before GL 4.1.
@@ -623,6 +664,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
extensions.push_back(E_GL_EXT_texture_filter_anisotropic);
extensions.push_back(E_GL_ARB_texture_filter_anisotropic);
}
// A cube map array is a 6n-layer VkImage viewed as VK_IMAGE_VIEW_TYPE_CUBE_ARRAY, and that
// view type cannot be created without the imageCubeArray device feature - so the string
// follows the feature, not the version, exactly as the per-layer attachment bit does.
//
// Worth naming even though cube map arrays are core at the version claimed, because
// KHR-GL4*.texture_gather.plain-gather-*-cube-array checks the STRING and has no
// core-version fallback - five cases per version list sat NotSupported on a device that
// supports the feature.
if (cubeMapArraySupported) {
extensions.push_back(E_GL_ARB_texture_cube_map_array);
}
return extensions;
}
@@ -753,7 +805,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
m_rendererInfo.RendererGLInfo.Extensions = BuildAdvertisedExtensions(
subgroupSupportAdvertised, pVulkanRenderer && pVulkanRenderer->IsTimerQuerySupported(),
pVulkanRenderer && pVulkanRenderer->IsSamplerAnisotropySupported(),
pVulkanRenderer && pVulkanRenderer->IsNonZeroIndirectBaseInstanceSupported());
pVulkanRenderer && pVulkanRenderer->IsNonZeroIndirectBaseInstanceSupported(),
m_vulkanCaps.SupportsImageCubeArray);
}
void BackendObject_DirectVulkan::UpdateDynamicBackendParameters() {