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[Fix] (DirectVulkan): advertise GL_ARB_explicit_attrib_location unconditionally

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layout(location=N) out qualifiers are fully supported (glslang parses them,
SPIR-V expresses them natively), but the extension string was never
advertised. KHR-GL3{0,1,2}.draw_buffers.draw_buffers_1 builds its MRT
fragment shader with per-attachment layout(location=i) outputs only when
GL_ARB_explicit_attrib_location is reported or the context is >=3.3; below
that it fell back to a single non-indexed `out vec4`, which only ever
targets location 0, leaving every draw buffer past slot 0 unwritten.
This commit is contained in:
BZLZHH
2026-08-01 08:09:35 -04:00
parent 4567c3b468
commit 27cdfbc0ca
1 changed files with 2 additions and 1 deletions
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MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
+2 -1
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@@ -529,7 +529,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
E_GL_ARB_texture_multisample, E_GL_ARB_clear_texture, E_GL_ARB_direct_state_access,
E_GL_ARB_shader_draw_parameters, E_GL_ARB_gpu_shader_int64, E_GL_KHR_debug,
E_GL_ARB_gpu_shader5, E_GL_ARB_multi_bind, E_GL_ARB_shading_language_420pack,
E_GL_ARB_vertex_attrib_binding, E_GL_ARB_shader_image_size};
E_GL_ARB_vertex_attrib_binding, E_GL_ARB_shader_image_size,
E_GL_ARB_explicit_attrib_location};
if (shaderSubgroupSupported && !MG_Config::Features.DisableSubgroup) {
extensions.push_back(E_GL_KHR_shader_subgroup);
}