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Implement depth clamp (for safe cases) in the software transform pipeline, and make sure triangle culling is always done.

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Henrik Rydgård committed 2026-05-30 19:07:59 +02:00
1 parent a6b146b74b
commit d60d190236
6 files changed
+143 -78
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GPU/Vulkan/DrawEngineVulkan.cpp
+3 -3
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@@ -433,14 +433,14 @@ void DrawEngineVulkan::Flush() {
params.everUsedEqualDepth = everUsedEqualDepth_;
SoftwareTransform swTransform(params);
swTransform.Transform(gstate.projMatrix, gstate.getViewportScale(), gstate.getViewportOffset(), prim, swDec->VertexType(), swDec->GetDecVtxFmt(), numDecodedVerts_, VERTEX_BUFFER_MAX, vertexCount, inds, RemainingIndices(inds), &result);
const SoftwareTransformAction action = swTransform.Transform(gstate.projMatrix, gstate.getViewportScale(), gstate.getViewportOffset(), prim, swDec->VertexType(), swDec->GetDecVtxFmt(), numDecodedVerts_, VERTEX_BUFFER_MAX, vertexCount, inds, RemainingIndices(inds), &result);
if (result.setSafeSize)
framebufferManager_->SetSafeSize(result.safeWidth, result.safeHeight);
// Only here, where we know whether to clear or to draw primitives, should we actually set the current framebuffer! Because that gives use the opportunity
// to use a "pre-clear" render pass, for high efficiency on tilers.
if (result.action == SW_DRAW_INDEXED) {
if (action == SW_DRAW_INDEXED) {
if (textureNeedsApply) {
gstate_c.pixelMapped = result.pixelMapped;
gstate_c.dstSquared = false;
@@ -528,7 +528,7 @@ void DrawEngineVulkan::Flush() {
u32 vbOffset = (uint32_t)pushVertex_->Push(result.drawBuffer, numDecodedVerts_ * sizeof(TransformedVertex), 4, &vbuf);
u32 ibOffset = (uint32_t)pushIndex_->Push(inds, sizeof(short) * result.drawNumTrans, 4, &ibuf);
renderManager->DrawIndexed(descSetIndex, ARRAY_SIZE(dynamicUBOOffsets), dynamicUBOOffsets, vbuf, vbOffset, ibuf, ibOffset, result.drawNumTrans, 1);
} else if (result.action == SW_CLEAR) {
} else if (action == SW_CLEAR) {
// Note: we won't get here if the clear is alpha but not color, or color but not alpha.
bool clearColor = gstate.isClearModeColorMask();
bool clearAlpha = gstate.isClearModeAlphaMask(); // and stencil