mirror of
https://github.com/borgesdan/xn65
synced 2024-12-29 21:54:47 +01:00
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
#include "blendstate-dx.hpp"
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#include "device-dx.hpp"
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namespace xna {
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BlendState::BlendState(GraphicsDevice* device) {
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_device = device;
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}
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bool BlendState::Apply(GraphicsDevice* device) {
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D3D11_BLEND_DESC blendDesc{};
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blendDesc.AlphaToCoverageEnable = _alphaToCoverage;
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blendDesc.IndependentBlendEnable = false;
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blendDesc.RenderTarget[0].BlendEnable = _enabled;
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blendDesc.RenderTarget[0].SrcBlend = BlendMapper::ConvertBlend(_source);
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blendDesc.RenderTarget[0].DestBlend = BlendMapper::ConvertBlend(_destination);
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blendDesc.RenderTarget[0].BlendOp = BlendMapper::ConvertOperation(_operation);
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blendDesc.RenderTarget[0].SrcBlendAlpha = BlendMapper::ConvertBlend(_sourceAlpha);
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blendDesc.RenderTarget[0].DestBlendAlpha = BlendMapper::ConvertBlend(_destinationAlpha);
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blendDesc.RenderTarget[0].BlendOpAlpha = BlendMapper::ConvertOperation(_operationAlpha);
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blendDesc.RenderTarget[0].RenderTargetWriteMask = BlendMapper::ConvertColorWrite(_writeMask);
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if (_device == nullptr || _device != device)
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_device = device;
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if FAILED(_device->_device->CreateBlendState(&blendDesc, &_blendState))
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return false;
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_device->_context->OMSetBlendState(_blendState, nullptr, 0xffffffff);
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return true;
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}
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PBlendState IBlendState::Opaque() {
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auto blendState = New<BlendState>(nullptr);
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blendState->_source = Blend::SourceAlpha;
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blendState->_sourceAlpha = Blend::SourceAlpha;
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blendState->_destination = Blend::Zero;
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blendState->_destinationAlpha = Blend::Zero;
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return blendState;
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}
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PBlendState IBlendState::AlphaBlend() {
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auto blendState = New<BlendState>(nullptr);
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blendState->_source = Blend::One;
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blendState->_sourceAlpha = Blend::One;
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blendState->_destination = Blend::InverseSourceAlpha;
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blendState->_destinationAlpha = Blend::InverseSourceAlpha;
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return blendState;
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}
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PBlendState IBlendState::Additive() {
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auto blendState = New<BlendState>(nullptr);
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blendState->_source = Blend::SourceAlpha;
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blendState->_sourceAlpha = Blend::SourceAlpha;
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blendState->_destination = Blend::One;
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blendState->_destinationAlpha = Blend::One;
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return blendState;
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}
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PBlendState IBlendState::NonPremultiplied() {
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auto blendState = New<BlendState>(nullptr);
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blendState->_source = Blend::SourceAlpha;
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blendState->_sourceAlpha = Blend::SourceAlpha;
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blendState->_destination = Blend::InverseSourceAlpha;
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blendState->_destinationAlpha = Blend::InverseSourceAlpha;
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return blendState;
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}
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} |