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graphics: share vertex format mapping and support packed float colors

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This commit is contained in:
nmzik
2026-09-09 18:47:10 +04:00
parent 20ea54cf0c
commit ae573f941a
3 changed files with 52 additions and 223 deletions
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tests/ShaderRecompilerComputeTests.cpp
+32 -9
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@@ -11812,9 +11812,10 @@ public:
m_device.destroyShaderModule(module, nullptr);
}
void CheckRasterization(bool depth_feedback) {
const char *name = depth_feedback ? "DepthAttachmentFeedback"
: "PolygonModeRasterization";
void CheckRasterization(bool depth_feedback, bool packed_vertex_color = false) {
const char *name = packed_vertex_color ? "PackedFloatVertexColor"
: depth_feedback ? "DepthAttachmentFeedback"
: "PolygonModeRasterization";
const uint32_t extent = depth_feedback ? 8 : 32;
constexpr uintptr_t depth_address = 0x0000000204400000ull;
constexpr uint64_t allocation_size = 0x20000;
@@ -11898,10 +11899,13 @@ public:
test.fragment_code.push_back(EncodeExp1(1, 1, 1, 1));
} else {
test.pixel_interpolator_settings = {0x400u};
test.fragment_code.push_back(EncodeVintrp(0x02, 0, 0, 0, 2));
for (uint32_t component = 0; component < (packed_vertex_color ? 4u : 1u); component++) {
test.fragment_code.push_back(EncodeVintrp(0x02, component, 0, component, 2));
}
}
test.fragment_code.push_back(EncodeExp0(0x00, 0xf));
test.fragment_code.push_back(EncodeExp1(0, 0, 0, 0));
test.fragment_code.push_back(packed_vertex_color ? EncodeExp1(0, 1, 2, 3)
: EncodeExp1(0, 0, 0, 0));
AppendEnd(&test.fragment_code);
auto fragment = CompileFragmentCase(test);
const auto vertex_spirv = TestSpv::MakePassthroughVertexSpirv(false);
@@ -11910,7 +11914,7 @@ public:
ShaderRecompiler::IR::CompiledShaderInfo vertex_program{};
vertex_program.stage = ShaderType::Vertex;
vertex_program.info.vertex_fetch_components[0] = 2;
vertex_program.info.vertex_fetch_components[1] = 4;
vertex_program.info.vertex_fetch_components[1] = packed_vertex_color ? 3 : 4;
ShaderRecompiler::IR::CompiledShaderInfo pixel_program{};
pixel_program.stage = ShaderType::Pixel;
pixel_program.info = fragment.program.info;
@@ -11925,10 +11929,12 @@ public:
vertex.buffers[0].attr_offsets[1] = 2 * sizeof(float);
for (uint32_t i = 0; i < 2; i++) {
const auto format = i == 0 ? Prospero::BufferFormat::k32_32Float
: Prospero::BufferFormat::k32_32_32_32Float;
: packed_vertex_color ? Prospero::BufferFormat::k11_11_10Float
: Prospero::BufferFormat::k32_32_32_32Float;
vertex.resources[i].fields[3] = DstSel(4, 5, 6, 7) |
(static_cast<uint32_t>(format) << 12u);
vertex.resources_dst[i].registers_num = i == 0 ? 2 : 4;
vertex.resources_dst[i].registers_num =
i == 0 ? 2 : vertex_program.info.vertex_fetch_components[1];
}
ShaderPixelInputInfo pixel{};
pixel.stage.program = &pixel_program;
@@ -11954,6 +11960,12 @@ public:
}
std::vector<u32> vertex_words(vertices.size());
std::memcpy(vertex_words.data(), vertices.data(), sizeof(vertices));
if (packed_vertex_color) {
// R11/G11/B10 unsigned floats: 0.5, 1.0, 2.0; Vulkan supplies the missing alpha as 1.
for (uint32_t i = 0; i < 3; i++) {
vertex_words[i * 6 + 2] = 0x801e0380u;
}
}
auto buffer = CreateHostBuffer(name, sizeof(vertices), vk::BufferUsageFlagBits::eVertexBuffer,
vertex_words);
const auto pipeline = [&](bool enabled, uint8_t front, uint8_t back,
@@ -12019,7 +12031,16 @@ public:
};
draw(filled);
const auto solid_pixels = read_color();
if (depth_feedback) {
if (packed_vertex_color) {
const std::array<float, 4> expected{0.5f, 1.0f, 2.0f, 1.0f};
const auto center = 4 * ((extent / 2) * extent + extent / 2);
for (uint32_t component = 0; component < expected.size(); component++) {
Require(name, "packed vertex fetch and coverage",
std::abs(std::bit_cast<float>(solid_pixels[center + component]) -
expected[component]) < 0.0001f && solid_pixels[component] == 0,
"packed vertex color changed channels, clamped HDR, or filled outside the triangle");
}
} else if (depth_feedback) {
// Consecutive draws in the same submission must see each earlier depth write.
draw(filled);
draw(filled);
@@ -29072,6 +29093,7 @@ int main(int argc, char **argv) {
if (argc == 2 && std::strcmp(argv[1], "--polygon-mode-only") == 0) {
VulkanHarness vulkan;
vulkan.CheckRasterization(false);
vulkan.CheckRasterization(false, true);
return 0;
}
if (argc == 2 && std::strcmp(argv[1], "--htile-clear-only") == 0) {
@@ -29276,6 +29298,7 @@ int main(int argc, char **argv) {
vulkan.CheckUnifiedTextureCacheFlow();
vulkan.CheckBgra16Readback();
vulkan.CheckRasterization(false);
vulkan.CheckRasterization(false, true);
vulkan.CheckBufferCacheDirtyGarbageCollection();
#endif
vulkan.CheckUnifiedImageViewCache();