swung0x48/MobileGL
1
0
Fork 0
mirror of https://github.com/MobileGL-Dev/MobileGL synced 2026-11-07 01:53:24 +09:00
Code Issues Packages Projects Releases Wiki Activity

[Fix] (DirectVulkan): express polygon facing as the pipeline front face

Browse Source
This commit is contained in:
swung0x48
2026-10-12 08:10:50 -04:00
parent c83d27a668
commit 82ef0053ea
1 changed files with 10 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+10 -2
View File
@@ -3152,9 +3152,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
.viewportCount = ResolveDrawViewportCount(programObj.writesViewportIndexBuiltin),
.polygonMode = effectivePolygonMode,
.cullMode = cullFaceEnabled
? MG_Util::ConvertCullFaceModeToVkEnum(MG_Pipe::gPipeInputs->GetCullFaceMode(), invertClockwise)
? MG_Util::ConvertCullFaceModeToVkEnum(MG_Pipe::gPipeInputs->GetCullFaceMode(), false)
: VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_CLOCKWISE,
// GL's counter-clockwise is Vulkan's clockwise (the two area formulas differ in sign
// over the same rows), and a Y-negated position - the default framebuffer's flip or
// an upper-left clip origin - reverses the winding once more. Expressed as the front
// face rather than as swapped cull bits so gl_FrontFacing agrees with culling, and
// so glFrontFace(GL_CW) is honoured.
.frontFace = ((MG_Pipe::gPipeInputs->GetRenderStateParameters().FrontFaceModeSetting ==
FrontFaceMode::Clockwise) != invertClockwise)
? VK_FRONT_FACE_COUNTER_CLOCKWISE
: VK_FRONT_FACE_CLOCKWISE,
// Read the geometry stage off the program's own shader list rather than
// programObj.rasterizationProducerStage: that field is filled by the clip-fixup analysis,
// which does not run for every program, so it reads Unknown for exactly the