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[Feat] (DirectGLES, DirectVulkan): advertise base-vertex draws, instanced arrays, KHR_debug and the 4.1-4.3 version tokens

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swung0x48
2026-08-22 12:41:18 -04:00
parent eb2f14e55a
commit 60808b6cf2
2 changed files with 38 additions and 2 deletions
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MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
+17 -1
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@@ -514,7 +514,12 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Bool anisotropicFilteringSupported,
Bool nonZeroIndirectBaseInstanceSupported) {
Vector<GLExtension> extensions = {
V_OpenGL30, V_OpenGL31, V_OpenGL32, V_OpenGL33, V_OpenGL40, E_GL_ARB_draw_buffers_blend,
// 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
// application feature-detecting off these tokens the opposite of what
// GL_MAJOR_VERSION / GL_MINOR_VERSION told it.
V_OpenGL30, V_OpenGL31, V_OpenGL32, V_OpenGL33, V_OpenGL40, V_OpenGL41, V_OpenGL42, V_OpenGL43,
E_GL_ARB_draw_buffers_blend,
E_GL_ARB_compute_shader, E_GL_ARB_shader_storage_buffer_object, E_GL_ARB_shader_image_load_store,
E_GL_ARB_clear_buffer_object, E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object, E_GL_ARB_draw_indirect,
E_GL_ARB_multi_draw_indirect,
@@ -539,6 +544,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
// VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT on the image, which SyncTextureResource sets for
// every immutable-storage texture (see the comment there).
E_GL_ARB_texture_view,
// Core since 3.2 and implemented here on both backends - glDrawElementsBaseVertex,
// glDrawRangeElementsBaseVertex, glDrawElementsInstancedBaseVertex and
// glMultiDrawElementsBaseVertex all reach real per-draw vertex rebasing. The string
// was simply never emitted, which left KHR-GL4*.draw_elements_base_vertex_tests
// NotSupported on a feature that works.
E_GL_ARB_draw_elements_base_vertex,
// glVertexAttribDivisor, core since 3.3 and real on both backends. Applications
// (Better Clouds' GLCompat among them) accept the extension string as an
// 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,
// 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.