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Fixed MRT clear with UINT8_MAX palette index clearing the attachment on clear quad. (#4006)

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This commit is contained in:
Branimir Karadžić
2026-09-30 12:06:59 -07:00
committed by GitHub
parent 9304c09edc
commit 997b0cfe36
17 changed files with 176 additions and 29 deletions
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src/renderer_d3d11.cpp
+19 -5
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@@ -2901,7 +2901,7 @@ namespace bgfx { namespace d3d11
setInputLayout(BX_COUNTOF(layouts), layouts, _program, _numInstanceData);
}
void setBlendState(uint64_t _state, uint32_t _rgba = 0, uint32_t _sampleMask = UINT32_MAX)
void setBlendState(uint64_t _state, uint32_t _rgba = 0, uint32_t _sampleMask = UINT32_MAX, uint8_t _mrtMask = UINT8_MAX)
{
_state &= BGFX_D3D11_BLEND_STATE_MASK;
@@ -2912,6 +2912,7 @@ namespace bgfx { namespace d3d11
? _rgba
: -1
);
murmur.add(_mrtMask);
const uint32_t hash = murmur.end();
ID3D11BlendState* bs = m_blendStateCache.find(hash);
@@ -2981,6 +2982,19 @@ namespace bgfx { namespace d3d11
}
}
if (UINT8_MAX != _mrtMask)
{
desc.IndependentBlendEnable = true;
for (uint32_t ii = 0; ii < BX_COUNTOF(desc.RenderTarget); ++ii)
{
if (0 == (_mrtMask & (1<<ii) ) )
{
desc.RenderTarget[ii].RenderTargetWriteMask = 0;
}
}
}
DX_CHECK(m_device->CreateBlendState(&desc, &bs) );
m_blendStateCache.add(hash, bs);
@@ -3854,10 +3868,6 @@ namespace bgfx { namespace d3d11
: 0
;
setBlendState(state);
setDepthStencilState(state, stencil);
setRasterizerState(state);
uint32_t numMrt = 1;
FrameBufferHandle fbh = m_fbh;
if (isValid(fbh) )
@@ -3866,6 +3876,10 @@ namespace bgfx { namespace d3d11
numMrt = bx::max(1, fb.m_num);
}
setBlendState(state, 0, UINT32_MAX, uint8_t(~_clear.getColorSkipMask(numMrt) ) );
setDepthStencilState(state, stencil);
setRasterizerState(state);
ProgramD3D11& program = m_program[_clearQuad.m_program[numMrt-1].idx];
m_currentProgram = &program;