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graphics: derive pixel stage activity from shader outputs

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This commit is contained in:
nmzik
2026-08-18 03:53:43 +02:00
parent 6d273e4d9c
commit 989477efad
1 changed files with 6 additions and 17 deletions
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src/graphics/host_gpu/renderer/renderDraw.cpp
+6 -17
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@@ -653,22 +653,11 @@ RenderState RenderExecutor::AcquireRenderTargets(CommandBuffer& buffer, RenderCo
return state;
}
static bool DrawHasActivePixelShader(const RenderCommandBuffer& buffer,
const DrawRenderState& state, const DrawCallInfo& draw) {
EXIT_IF(draw.name == nullptr);
const auto& ctx = buffer.GetRegisters();
const auto& sh_ctx = buffer.GetShaders();
const bool with_depth = (state.depth_info.format != vk::Format::eUndefined &&
static_cast<bool>(state.depth_info.image_id));
if (state.color_count != 0 || !with_depth) {
return true;
}
const auto& sh_regs = ctx.GetShaderRegisters();
const auto& ps = sh_ctx.GetPs();
return ShaderAddressValid(ps.ps_regs.data_addr) &&
PixelShaderHasDepthOrCoverageSideEffects(sh_regs);
static bool DrawHasActivePixelShader(const RenderCommandBuffer& buffer) {
const auto& ctx = buffer.GetRegisters();
const auto& sh_regs = ctx.GetShaderRegisters();
const bool has_color_output = (ctx.GetRenderTargetMask() & sh_regs.m_cbShaderMask) != 0;
return has_color_output || PixelShaderHasDepthOrCoverageSideEffects(sh_regs);
}
enum class CbColorMode : uint8_t {
@@ -951,7 +940,7 @@ bool RenderExecutor::PrepareDrawRenderState(uint64_t submit_id, RenderCommandBuf
draw.index_count, draw.flags);
return false;
}
state.ps_active = DrawHasActivePixelShader(buffer, state, draw);
state.ps_active = DrawHasActivePixelShader(buffer);
return true;
}