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[Feat] (MG_Backend/DirectVulkan): wire glPolygonMode and glColorMaski into pipeline creation

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Consume the polygon mode and per-draw-buffer color write masks that the
frontend already tracks, with runtime fallback for the device features
they require.

glPolygonMode:
- Add ConvertPolygonModeToVkEnum (GL_FILL/LINE/POINT -> VkPolygonMode).
- Thread a polygonMode field through PipelineCreatePayload, fold it into
  the pipeline cache hash (distinct modes need distinct pipelines), and
  apply it in PipelineFactory instead of the hardcoded VK_POLYGON_MODE_FILL.
- LINE/POINT require the fillModeNonSolid device feature: detect and
  enable it at device creation, cache m_fillModeNonSolidFeatureEnabled,
  and fall back to FILL at pipeline-build time when it is absent.

glColorMaski:
- The per-attachment color-blend loop now reads GetColorMaskIndexed(i)
  instead of the broadcast GetColorMask(), so each draw buffer gets its
  own write mask (already covered by the pipeline hash).
- Divergent per-attachment masks require independentBlend: cache
  m_independentBlendFeatureEnabled (was enabled but never recorded) and
  fall back to draw buffer 0's mask for every attachment when it is absent.

The internal depth-mipmap utility pipeline keeps VK_POLYGON_MODE_FILL (not
GL-driven). Library builds clean; full SanityTest sweep green (30/30).
This commit is contained in:
swung0x48
2026-07-10 22:16:47 -04:00
parent f892f609c2
commit aa5c33a42d
6 changed files with 48 additions and 8 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.cpp
+2 -1
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@@ -126,6 +126,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.rasterizationSamples, sizeof(payload.rasterizationSamples)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.subpass, sizeof(payload.subpass)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.topology, sizeof(payload.topology)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.polygonMode, sizeof(payload.polygonMode)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.cullMode, sizeof(payload.cullMode)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.frontFace, sizeof(payload.frontFace)));
XXHASH_VERIFY(XXH64_update(m_hashState, &payload.depthTestEnable, sizeof(payload.depthTestEnable)));
@@ -217,7 +218,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
vpci.scissorCount = 1;
VkPipelineRasterizationStateCreateInfo raster{VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO};
raster.polygonMode = VK_POLYGON_MODE_FILL;
raster.polygonMode = payload.polygonMode;
raster.cullMode = payload.cullMode;
raster.frontFace = payload.frontFace;
raster.depthBiasEnable = payload.depthBiasEnable ? VK_TRUE : VK_FALSE;