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D3D11/D3D12/VK/WebGPU: Fixed blend-state, and blend factor for MRT. (#3825)

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This commit is contained in:
Branimir Karadžić
2026-07-12 18:43:24 -07:00
committed by GitHub
parent 2877442edc
commit 1fae5a8b06
4 changed files with 36 additions and 4 deletions
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12
src/renderer_d3d11.cpp
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@@ -2924,7 +2924,7 @@ namespace bgfx { namespace d3d11
if (desc.IndependentBlendEnable)
{
for (uint32_t ii = 1, rgba = _rgba; ii < BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS; ++ii, rgba >>= 11)
for (uint32_t ii = 1, rgba = _rgba; ii < BX_COUNTOF(desc.RenderTarget); ++ii, rgba >>= 11)
{
drt = &desc.RenderTarget[ii];
drt->BlendEnable = 0 != (rgba & 0x7ff);
@@ -2946,7 +2946,7 @@ namespace bgfx { namespace d3d11
}
else
{
for (uint32_t ii = 1; ii < BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS; ++ii)
for (uint32_t ii = 1; ii < BX_COUNTOF(desc.RenderTarget); ++ii)
{
bx::memCopy(&desc.RenderTarget[ii], drt, sizeof(D3D11_RENDER_TARGET_BLEND_DESC) );
}
@@ -2961,11 +2961,19 @@ namespace bgfx { namespace d3d11
const uint64_t f1 = BGFX_STATE_BLEND_INV_FACTOR;
const uint64_t f2 = BGFX_STATE_BLEND_FACTOR<<4;
const uint64_t f3 = BGFX_STATE_BLEND_INV_FACTOR<<4;
const uint64_t f4 = BGFX_STATE_BLEND_FACTOR<<8;
const uint64_t f5 = BGFX_STATE_BLEND_INV_FACTOR<<8;
const uint64_t f6 = BGFX_STATE_BLEND_FACTOR<<12;
const uint64_t f7 = BGFX_STATE_BLEND_INV_FACTOR<<12;
bool hasFactor = 0
|| f0 == (_state & f0)
|| f1 == (_state & f1)
|| f2 == (_state & f2)
|| f3 == (_state & f3)
|| f4 == (_state & f4)
|| f5 == (_state & f5)
|| f6 == (_state & f6)
|| f7 == (_state & f7)
;
float blendFactor[4] = { 1.0f, 1.0f, 1.0f, 1.0f };