steam-frame/mitch030504--Wiicompiled_VR_Frame
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Implement native composite source handling for Mario Kart Wii ghost kart effect

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iChris4 committed 2026-09-26 05:17:49 +02:00
1 parent 7f9de4c702
commit f2f7c5007a
10 files changed
+370 -59
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aurora-main/tests/gx_fifo_test.cpp
+70
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@@ -5246,3 +5246,73 @@ TEST_F(GXFifoTest, OffscreenViewportPassOverFreshCopyIsNativeEfbEffect) {
aurora::gx::FrameInterpolationDrawIdentity{}, false);
EXPECT_FALSE(frameLayout.replayLayout.nativeEfbEffect);
}
TEST(GXPipelineConfig, StereoStencilFieldCarriesTheCompositeSourceBlendBit) {
aurora::gx::PipelineConfig config{};
config.stereoStencil = aurora::gx::kStereoStencilFormat | aurora::gx::kCompositeSourceBlend;
EXPECT_TRUE(aurora::gx::valid_pipeline_config(config));
config.stereoStencil = (aurora::gx::kStereoStencilFormat | aurora::gx::kCompositeSourceBlend) + 1;
EXPECT_FALSE(aurora::gx::valid_pipeline_config(config));
}
TEST_F(GXFifoTest, NativeCompositeRecordsTheFrameSizedDepthCopyItSamples) {
// Mario Kart Wii's ghost kart: one orthographic quad blends a frame-sized colour copy back
// over the race with the depth of a frame-sized depth copy. The layout names that depth copy so
// the eye replay can find the pass whose draws produced it.
// Frame-sized buffers: static so two of them do not exhaust the test thread's stack.
static std::array<u8, 608 * 456 * 4> colour{};
static std::array<u8, 608 * 456 * 4> depth{};
gxState().pixelFmt = GX_PF_RGBA6_Z24;
aurora::gfx::testing::set_framebuffer_sizes(640, 528, 640, 528);
aurora::gfx::testing::set_current_frame(50);
GXSetTexCopySrc(0, 0, 608, 456);
GXSetTexCopyDst(608, 456, GX_TF_Z24X8, GX_FALSE);
GXCopyTex(depth.data(), GX_TRUE);
GXSetTexCopyDst(608, 456, GX_TF_RGB565, GX_FALSE);
GXCopyTex(colour.data(), GX_TRUE);
const auto& records = aurora::gfx::testing::resolve_pass_records();
ASSERT_EQ(records.size(), 2u);
ASSERT_TRUE(records[0].texture);
ASSERT_TRUE(records[1].texture);
GXTexObj_ colourObj{};
colourObj.mWidth = 608;
colourObj.mHeight = 456;
colourObj.mFormat = GX_TF_RGB565;
GXTexObj_ depthObj{};
depthObj.mWidth = 608;
depthObj.mHeight = 456;
depthObj.mFormat = GX_TF_Z24X8;
gxState().textures[GX_TEXMAP0] = aurora::gfx::TextureBind{colourObj, records[1].texture};
gxState().textures[GX_TEXMAP1] = aurora::gfx::TextureBind{depthObj, records[0].texture};
gxState().blendMode = GX_BM_BLEND;
gxState().blendFacSrc = GX_BL_SRCALPHA;
gxState().blendFacDst = GX_BL_INVSRCALPHA;
gxState().logicalViewport = {0.0f, 0.0f, 640.0f, 528.0f, 0.0f, 1.0f};
aurora::gx::ShaderConfig shader{};
shader.numTexGens = 2;
shader.tevStageCount = 2;
shader.tevStages[0].texCoordId = GX_TEXCOORD0;
shader.tevStages[0].texMapId = GX_TEXMAP0;
shader.tevStages[0].colorPass.d = GX_CC_TEXC;
shader.tevStages[0].alphaPass.d = GX_CA_TEXA;
shader.tevStages[1].texCoordId = GX_TEXCOORD1;
shader.tevStages[1].texMapId = GX_TEXMAP1;
shader.tevStages[1].colorPass.d = GX_CC_TEXC;
shader.tevStages[1].alphaPass.d = GX_CA_TEXA;
const auto info = aurora::gx::build_shader_info(shader);
aurora::gfx::testing::reset_uniform_allocations();
const auto composite = aurora::gx::build_uniform(info, 0, aurora::gx::BindGroupRanges{},
aurora::gx::FrameInterpolationDrawIdentity{}, false);
EXPECT_TRUE(composite.replayLayout.nativeEfbEffect);
EXPECT_EQ(composite.replayLayout.compositeDepthCopy, records[0].texture.get());
EXPECT_EQ(composite.replayLayout.compositeSourcePass, -1);
// The same draw with the game camera is world geometry, whatever it samples.
aurora::gfx::testing::reset_uniform_allocations();
const auto world = aurora::gx::build_uniform(info, 0, aurora::gx::BindGroupRanges{},
aurora::gx::FrameInterpolationDrawIdentity{}, true);
EXPECT_EQ(world.replayLayout.compositeDepthCopy, nullptr);
}