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[Fix, Test] (BackendLoader, DirectVulkan, ShaderTranspiler): report GL_MAX_CLIP_DISTANCES from the backend's real clip-distance capability

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swung0x48
2026-08-20 15:25:29 -04:00
parent 9bde0e500f
commit 4fc3531d0d
10 changed files with 194 additions and 7 deletions
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MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
+6 -1
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@@ -905,7 +905,12 @@ namespace MobileGL::MG_Backend::DirectVulkan {
const Int maxSupportedDrawBuffers = static_cast<Int>(MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS);
m_dynamicParameters.MaxDrawBuffers = std::min(m_vulkanCaps.MaxDrawBuffers, maxSupportedDrawBuffers);
m_dynamicParameters.MaxColorAttachments = std::min(m_vulkanCaps.MaxColorAttachments, maxSupportedDrawBuffers);
m_dynamicParameters.MaxClipDistances = m_vulkanCaps.MaxClipDistances;
// Same shape as the image-uniform limits three lines above: maxClipDistances is reported
// by every device, but declaring ClipDistance in a module needs the shaderClipDistance
// FEATURE, which VulkanRenderer enables exactly where the physical device has it. Without
// it the limit describes a capacity no shader may use, so report none.
m_dynamicParameters.MaxClipDistances =
m_vulkanCaps.SupportsShaderClipDistance ? std::max(m_vulkanCaps.MaxClipDistances, 0) : 0;
m_dynamicParameters.MaxViewports = m_vulkanCaps.MaxViewports;
m_dynamicParameters.MaxViewportWidth = m_vulkanCaps.MaxViewportWidth;
m_dynamicParameters.MaxViewportHeight = m_vulkanCaps.MaxViewportHeight;