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Added variable rate shading.

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This commit is contained in:
Бранимир Караџић
2025-11-06 17:21:53 -08:00
parent 45df9833a9
commit 358223c63e
21 changed files with 681 additions and 211 deletions
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69
src/renderer_d3d12.cpp
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@@ -129,6 +129,18 @@ namespace bgfx { namespace d3d12
D3D12_CULL_MODE_BACK,
};
static const D3D12_SHADING_RATE s_shadingRate[] =
{
D3D12_SHADING_RATE_1X1,
D3D12_SHADING_RATE_1X2,
D3D12_SHADING_RATE_2X1,
D3D12_SHADING_RATE_2X2,
D3D12_SHADING_RATE_2X4,
D3D12_SHADING_RATE_4X2,
D3D12_SHADING_RATE_4X4,
};
static_assert(ShadingRate::Count == BX_COUNTOF(s_shadingRate) );
static const D3D12_TEXTURE_ADDRESS_MODE s_textureAddress[] =
{
D3D12_TEXTURE_ADDRESS_MODE_WRAP,
@@ -714,6 +726,7 @@ namespace bgfx { namespace d3d12
, m_backBufferColorIdx(0)
, m_rtMsaa(false)
, m_directAccessSupport(false)
, m_variableRateShadingSupport(false)
{
}
@@ -1078,6 +1091,9 @@ namespace bgfx { namespace d3d12
BX_TRACE("\tAdditionalShadingRatesSupported %d", options6.AdditionalShadingRatesSupported);
BX_TRACE("\tPerPrimitiveShadingRateSupportedWithViewportIndexing %d", options6.PerPrimitiveShadingRateSupportedWithViewportIndexing);
BX_TRACE("\tVariableShadingRateTier %d", options6.VariableShadingRateTier);
m_variableRateShadingSupport = D3D12_VARIABLE_SHADING_RATE_TIER_NOT_SUPPORTED != options6.VariableShadingRateTier;
BX_TRACE("\tShadingRateImageTileSize %d", options6.ShadingRateImageTileSize);
BX_TRACE("\tBackgroundProcessingSupported %d", options6.BackgroundProcessingSupported);
break;
@@ -1440,30 +1456,31 @@ namespace bgfx { namespace d3d12
;
g_caps.supported |= ( 0
| BGFX_CAPS_TEXTURE_3D
| BGFX_CAPS_TEXTURE_COMPARE_ALL
| BGFX_CAPS_ALPHA_TO_COVERAGE
| BGFX_CAPS_BLEND_INDEPENDENT
| BGFX_CAPS_COMPUTE
| BGFX_CAPS_DRAW_INDIRECT
| BGFX_CAPS_DRAW_INDIRECT_COUNT
| BGFX_CAPS_FRAGMENT_DEPTH
| (m_options.ROVsSupported ? BGFX_CAPS_FRAGMENT_ORDERING : 0)
| BGFX_CAPS_IMAGE_RW
| BGFX_CAPS_INDEX32
| BGFX_CAPS_INSTANCING
| BGFX_CAPS_DRAW_INDIRECT
| BGFX_CAPS_OCCLUSION_QUERY
| BGFX_CAPS_PRIMITIVE_ID
| (BX_ENABLED(BX_PLATFORM_WINDOWS) ? BGFX_CAPS_SWAP_CHAIN : 0)
| BGFX_CAPS_TEXTURE_2D_ARRAY
| BGFX_CAPS_TEXTURE_3D
| BGFX_CAPS_TEXTURE_BLIT
| BGFX_CAPS_TEXTURE_COMPARE_ALL
| BGFX_CAPS_TEXTURE_CUBE_ARRAY
| (m_directAccessSupport ? BGFX_CAPS_TEXTURE_DIRECT_ACCESS : 0)
| BGFX_CAPS_TEXTURE_READ_BACK
| (m_variableRateShadingSupport ? BGFX_CAPS_VARIABLE_RATE_SHADING : 0)
| BGFX_CAPS_VERTEX_ATTRIB_HALF
| BGFX_CAPS_VERTEX_ATTRIB_UINT10
| BGFX_CAPS_VERTEX_ID
| BGFX_CAPS_FRAGMENT_DEPTH
| BGFX_CAPS_BLEND_INDEPENDENT
| BGFX_CAPS_COMPUTE
| (m_options.ROVsSupported ? BGFX_CAPS_FRAGMENT_ORDERING : 0)
| (m_directAccessSupport ? BGFX_CAPS_TEXTURE_DIRECT_ACCESS : 0)
| (BX_ENABLED(BX_PLATFORM_WINDOWS) ? BGFX_CAPS_SWAP_CHAIN : 0)
| BGFX_CAPS_TEXTURE_BLIT
| BGFX_CAPS_TEXTURE_READ_BACK
| BGFX_CAPS_OCCLUSION_QUERY
| BGFX_CAPS_ALPHA_TO_COVERAGE
| BGFX_CAPS_TEXTURE_2D_ARRAY
| BGFX_CAPS_TEXTURE_CUBE_ARRAY
| BGFX_CAPS_IMAGE_RW
| BGFX_CAPS_VIEWPORT_LAYER_ARRAY
| BGFX_CAPS_DRAW_INDIRECT_COUNT
| BGFX_CAPS_PRIMITIVE_ID
);
g_caps.limits.maxTextureSize = D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION;
g_caps.limits.maxTextureLayers = D3D12_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
@@ -3748,6 +3765,7 @@ namespace bgfx { namespace d3d12
uint32_t m_backBufferColorIdx;
bool m_rtMsaa;
bool m_directAccessSupport;
bool m_variableRateShadingSupport;
};
static RendererContextD3D12* s_renderD3D12;
@@ -6634,12 +6652,14 @@ namespace bgfx { namespace d3d12
profiler.begin(view);
const View& renderView = _render->m_view[view];
fbh = _render->m_view[view].m_fbh;
setFrameBuffer(fbh);
viewState.m_rect = _render->m_view[view].m_rect;
const Rect& rect = _render->m_view[view].m_rect;
const Rect& scissorRect = _render->m_view[view].m_scissor;
viewState.m_rect = renderView.m_rect;
const Rect& rect = renderView.m_rect;
const Rect& scissorRect = renderView.m_scissor;
viewHasScissor = !scissorRect.isZero();
viewScissorRect = viewHasScissor ? scissorRect : rect;
@@ -6660,7 +6680,7 @@ namespace bgfx { namespace d3d12
m_commandList->RSSetScissorRects(1, &rc);
restoreScissor = false;
Clear& clr = _render->m_view[view].m_clear;
const Clear& clr = renderView.m_clear;
if (BGFX_CLEAR_NONE != clr.m_flags)
{
Rect clearRect = rect;
@@ -6671,6 +6691,11 @@ namespace bgfx { namespace d3d12
prim = s_primInfo[Topology::Count]; // Force primitive type update.
submitBlit(bs, view);
if (m_variableRateShadingSupport)
{
reinterpret_cast<ID3D12GraphicsCommandList5*>(m_commandList)->RSSetShadingRate(s_shadingRate[renderView.m_shadingRate], NULL);
}
}
if (isCompute)