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GPU/HW: Use dual-source blend to split alpha and mask

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This commit is contained in:
Connor McLaughlin
2019-11-24 23:23:33 +10:00
parent 9d6d00480c
commit bc5a247a4b
5 changed files with 62 additions and 14 deletions
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10
src/core/gpu_hw_d3d11.cpp
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@ -144,6 +144,8 @@ void GPU_HW_D3D11::SetCapabilities()
m_max_resolution_scale = max_texture_scale;
Log_InfoPrintf("Maximum resolution scale is %u", m_max_resolution_scale);
m_supports_dual_source_blend = true;
}
bool GPU_HW_D3D11::CreateFramebuffer()
@ -237,7 +239,8 @@ bool GPU_HW_D3D11::CreateBatchInputLayout()
{"ATTR", 3, DXGI_FORMAT_R32_SINT, 0, offsetof(BatchVertex, texpage), D3D11_INPUT_PER_VERTEX_DATA, 0}}};
// we need a vertex shader...
GPU_HW_ShaderGen shadergen(m_host_display->GetRenderAPI(), m_resolution_scale, m_true_color);
GPU_HW_ShaderGen shadergen(m_host_display->GetRenderAPI(), m_resolution_scale, m_true_color,
m_supports_dual_source_blend);
ComPtr<ID3DBlob> vs_bytecode = D3D11::ShaderCompiler::CompileShader(
D3D11::ShaderCompiler::Type::Vertex, m_device->GetFeatureLevel(), shadergen.GenerateBatchVertexShader(true), false);
if (!vs_bytecode)
@ -295,7 +298,7 @@ bool GPU_HW_D3D11::CreateStateObjects()
{
bl_desc.RenderTarget[0].BlendEnable = TRUE;
bl_desc.RenderTarget[0].SrcBlend = D3D11_BLEND_ONE;
bl_desc.RenderTarget[0].DestBlend = D3D11_BLEND_SRC_ALPHA;
bl_desc.RenderTarget[0].DestBlend = D3D11_BLEND_SRC1_ALPHA;
bl_desc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
bl_desc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
bl_desc.RenderTarget[0].BlendOp =
@ -315,7 +318,8 @@ bool GPU_HW_D3D11::CreateStateObjects()
bool GPU_HW_D3D11::CompileShaders()
{
const bool debug = true;
GPU_HW_ShaderGen shadergen(m_host_display->GetRenderAPI(), m_resolution_scale, m_true_color);
GPU_HW_ShaderGen shadergen(m_host_display->GetRenderAPI(), m_resolution_scale, m_true_color,
m_supports_dual_source_blend);
m_screen_quad_vertex_shader = D3D11::ShaderCompiler::CompileAndCreateVertexShader(
m_device.Get(), shadergen.GenerateScreenQuadVertexShader(), debug);