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renderer: emulate clip-disabled screen-space positions

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This commit is contained in:
nmzik
2026-09-01 21:09:05 +04:00
parent 0c8d7a1e49
commit 0c4dfd565e
8 changed files with 131 additions and 8 deletions
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src/graphics/host_gpu/renderer/pipeline/pipelineCache.cpp
+16 -1
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@@ -116,7 +116,7 @@ struct PipelineCache::ProgramCache {
}
static constexpr std::size_t MaxStaticKeyWords =
5 + ShaderVertexInputInfo::RES_MAX * 17;
12 + ShaderVertexInputInfo::RES_MAX * 17;
template <typename InputInfo>
ShaderProgram Get(const ShaderParams& params, InputInfo& input_info) {
@@ -340,8 +340,23 @@ void PipelineCache::Save() {
ShaderProgram PipelineCache::GetVertexProgram(const HW::VertexShaderInfo& regs,
const HW::ShaderRegisters& sh,
const HW::Context& context,
ShaderVertexInputInfo& input_info) {
const auto params = PrepareProgram(regs, sh, input_info);
if (context.GetClipControl().clip_disable) {
const auto& viewport = context.GetScreenViewport().viewports[0];
const auto& limits = m_graphics.GetPhysicalDeviceProperties().limits;
auto& clip = input_info.clip_space;
clip.scale[0] = viewport.xscale;
clip.scale[1] = viewport.yscale;
clip.offset[0] = viewport.xoffset;
clip.offset[1] = viewport.yoffset;
clip.half_extent[0] =
static_cast<float>(std::min(limits.maxViewportDimensions[0], 16384u)) * 0.5f;
clip.half_extent[1] =
static_cast<float>(std::min(limits.maxViewportDimensions[1], 16384u)) * 0.5f;
clip.enabled = true;
}
Common::LockGuard lock(m_mutex);
return m_program_cache->Get(params, input_info);
}