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[Feat] (Diligent): wire blend/depth/cull render state into state PSO

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CreatePipelineFromState now reads MG_State render state:
- GL_BLEND enable, blend factors/equations
- GL_DEPTH_TEST enable, depth func, depth write mask
- GL_CULL_FACE enable, cull face mode, front-face winding

All Diligent local tests still pass.
This commit is contained in:
BZLZHH
2026-08-18 13:16:55 +08:00
parent 53cac39d4e
commit 6375e07030
1 changed files with 89 additions and 2 deletions
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MobileGL/MG_Backend/Diligent/Renderer/DiligentRenderer.cpp
+89 -2
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@@ -109,6 +109,62 @@ void main()
return false;
}
}
::Diligent::BLEND_FACTOR ConvertBlendFactor(BlendFactor factor) {
switch (factor) {
case BlendFactor::Zero: return ::Diligent::BLEND_FACTOR_ZERO;
case BlendFactor::One: return ::Diligent::BLEND_FACTOR_ONE;
case BlendFactor::SrcColor: return ::Diligent::BLEND_FACTOR_SRC_COLOR;
case BlendFactor::OneMinusSrcColor: return ::Diligent::BLEND_FACTOR_INV_SRC_COLOR;
case BlendFactor::DstColor: return ::Diligent::BLEND_FACTOR_DEST_COLOR;
case BlendFactor::OneMinusDstColor: return ::Diligent::BLEND_FACTOR_INV_DEST_COLOR;
case BlendFactor::SrcAlpha: return ::Diligent::BLEND_FACTOR_SRC_ALPHA;
case BlendFactor::OneMinusSrcAlpha: return ::Diligent::BLEND_FACTOR_INV_SRC_ALPHA;
case BlendFactor::DstAlpha: return ::Diligent::BLEND_FACTOR_DEST_ALPHA;
case BlendFactor::OneMinusDstAlpha: return ::Diligent::BLEND_FACTOR_INV_DEST_ALPHA;
case BlendFactor::ConstantColor: return ::Diligent::BLEND_FACTOR_BLEND_FACTOR;
case BlendFactor::OneMinusConstantColor: return ::Diligent::BLEND_FACTOR_INV_BLEND_FACTOR;
case BlendFactor::Src1Color: return ::Diligent::BLEND_FACTOR_SRC1_COLOR;
case BlendFactor::OneMinusSrc1Color: return ::Diligent::BLEND_FACTOR_INV_SRC1_COLOR;
case BlendFactor::Src1Alpha: return ::Diligent::BLEND_FACTOR_SRC1_ALPHA;
case BlendFactor::OneMinusSrc1Alpha: return ::Diligent::BLEND_FACTOR_INV_SRC1_ALPHA;
default: return ::Diligent::BLEND_FACTOR_ONE;
}
}
::Diligent::BLEND_OPERATION ConvertBlendEquation(BlendEquation equation) {
switch (equation) {
case BlendEquation::Add: return ::Diligent::BLEND_OPERATION_ADD;
case BlendEquation::Subtract: return ::Diligent::BLEND_OPERATION_SUBTRACT;
case BlendEquation::ReverseSubtract: return ::Diligent::BLEND_OPERATION_REV_SUBTRACT;
case BlendEquation::Min: return ::Diligent::BLEND_OPERATION_MIN;
case BlendEquation::Max: return ::Diligent::BLEND_OPERATION_MAX;
default: return ::Diligent::BLEND_OPERATION_ADD;
}
}
::Diligent::COMPARISON_FUNCTION ConvertDepthFunc(DepthTestFunc func) {
switch (func) {
case DepthTestFunc::Never: return ::Diligent::COMPARISON_FUNC_NEVER;
case DepthTestFunc::Less: return ::Diligent::COMPARISON_FUNC_LESS;
case DepthTestFunc::Equal: return ::Diligent::COMPARISON_FUNC_EQUAL;
case DepthTestFunc::LessEqual: return ::Diligent::COMPARISON_FUNC_LESS_EQUAL;
case DepthTestFunc::Greater: return ::Diligent::COMPARISON_FUNC_GREATER;
case DepthTestFunc::NotEqual: return ::Diligent::COMPARISON_FUNC_NOT_EQUAL;
case DepthTestFunc::GreaterEqual: return ::Diligent::COMPARISON_FUNC_GREATER_EQUAL;
case DepthTestFunc::Always: return ::Diligent::COMPARISON_FUNC_ALWAYS;
default: return ::Diligent::COMPARISON_FUNC_ALWAYS;
}
}
::Diligent::CULL_MODE ConvertCullMode(CullFaceMode mode) {
switch (mode) {
case CullFaceMode::Front: return ::Diligent::CULL_MODE_FRONT;
case CullFaceMode::Back: return ::Diligent::CULL_MODE_BACK;
case CullFaceMode::FrontAndBack: return ::Diligent::CULL_MODE_NONE;
default: return ::Diligent::CULL_MODE_NONE;
}
}
} // namespace
DiligentRenderer::DiligentRenderer(::Diligent::IRenderDevice* device, ::Diligent::IDeviceContext* context)
@@ -446,8 +502,39 @@ void main()
graphicsPipeline.PrimitiveTopology = ::Diligent::PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
break;
}
graphicsPipeline.RasterizerDesc.CullMode = ::Diligent::CULL_MODE_NONE;
graphicsPipeline.DepthStencilDesc.DepthEnable = false;
const Bool blendEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::Blend);
const Bool depthEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::DepthTest);
const Bool cullEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::CullFace);
const Bool scissorEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::ScissorTest);
(void)scissorEnabled;
if (blendEnabled) {
BlendFactor srcRGB = BlendFactor::One;
BlendFactor dstRGB = BlendFactor::Zero;
BlendFactor srcAlpha = BlendFactor::One;
BlendFactor dstAlpha = BlendFactor::Zero;
BlendEquation eqRGB = BlendEquation::Add;
BlendEquation eqAlpha = BlendEquation::Add;
MG_State::pGLContext->GetBlendFunc(srcRGB, dstRGB, srcAlpha, dstAlpha);
MG_State::pGLContext->GetBlendEquation(eqRGB, eqAlpha);
auto& rtBlend = graphicsPipeline.BlendDesc.RenderTargets[0];
rtBlend.BlendEnable = true;
rtBlend.SrcBlend = ConvertBlendFactor(srcRGB);
rtBlend.DestBlend = ConvertBlendFactor(dstRGB);
rtBlend.BlendOp = ConvertBlendEquation(eqRGB);
rtBlend.SrcBlendAlpha = ConvertBlendFactor(srcAlpha);
rtBlend.DestBlendAlpha = ConvertBlendFactor(dstAlpha);
rtBlend.BlendOpAlpha = ConvertBlendEquation(eqAlpha);
}
graphicsPipeline.RasterizerDesc.CullMode = cullEnabled ? ConvertCullMode(MG_State::pGLContext->GetCullFaceMode())
: ::Diligent::CULL_MODE_NONE;
graphicsPipeline.RasterizerDesc.FrontCounterClockwise =
MG_State::pGLContext->GetFrontFaceMode() == FrontFaceMode::CounterClockwise;
graphicsPipeline.DepthStencilDesc.DepthEnable = depthEnabled;
graphicsPipeline.DepthStencilDesc.DepthWriteEnable = MG_State::pGLContext->GetDepthMask();
graphicsPipeline.DepthStencilDesc.DepthFunc = ConvertDepthFunc(MG_State::pGLContext->GetDepthFunc());
graphicsPipeline.InputLayout.LayoutElements = layoutElements.data();
graphicsPipeline.InputLayout.NumElements = static_cast<::Diligent::Uint32>(layoutElements.size());