metaforce/Runtime/Graphics/CLineRendererShadersMetal.cpp

162 lines
5.2 KiB
C++

#include "CLineRendererShaders.hpp"
#include "CLineRenderer.hpp"
namespace urde
{
static const char* VS_METAL_TEX =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct VertData\n"
"{\n"
" float4 posIn;\n"
" float4 colorIn;\n"
" float4 uvIn;\n"
"};\n"
"\n"
"struct LineUniform\n"
"{\n"
" float4 moduColor;\n"
"};\n"
"\n"
"struct VertToFrag\n"
"{\n"
" float4 position [[ position ]];\n"
" float4 color;\n"
" float2 uv;\n"
"};\n"
"\n"
"vertex VertToFrag vmain(constant VertData* va [[ buffer(0) ]],\n"
" uint vertId [[ vertex_id ]],\n"
" constant LineUniform& line [[ buffer(2) ]])\n"
"{\n"
" VertToFrag vtf;\n"
" constant VertData& v = va[vertId];\n"
" vtf.color = v.colorIn * line.moduColor;\n"
" vtf.uv = v.uvIn.xy;\n"
" vtf.position = v.posIn;\n"
" return vtf;\n"
"}\n";
static const char* FS_METAL_TEX =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"constexpr sampler samp(address::repeat, filter::linear, mip_filter::linear);\n"
"struct VertToFrag\n"
"{\n"
" float4 position [[ position ]];\n"
" float4 color;\n"
" float2 uv;\n"
"};\n"
"\n"
"fragment float4 fmain(VertToFrag vtf [[ stage_in ]],\n"
" texture2d<float> tex0 [[ texture(0) ]])\n"
"{\n"
" return vtf.color * tex0.sample(samp, vtf.uv);\n"
"}\n";
static const char* VS_METAL_NOTEX =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct VertData\n"
"{\n"
" float4 posIn;\n"
" float4 colorIn;\n"
"};\n"
"\n"
"struct LineUniform\n"
"{\n"
" float4 moduColor;\n"
"};\n"
"\n"
"struct VertToFrag\n"
"{\n"
" float4 position [[ position ]];\n"
" float4 color;\n"
"};\n"
"\n"
"vertex VertToFrag vmain(constant VertData* va [[ buffer(0) ]],\n"
" uint vertId [[ vertex_id ]],\n"
" constant LineUniform& line [[ buffer(2) ]])\n"
"{\n"
" VertToFrag vtf;\n"
" constant VertData& v = va[vertId];\n"
" vtf.color = v.colorIn * line.moduColor;\n"
" vtf.position = v.posIn;\n"
" return vtf;\n"
"}\n";
static const char* FS_METAL_NOTEX =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct VertToFrag\n"
"{\n"
" float4 position [[ position ]];\n"
" float4 color;\n"
"};\n"
"\n"
"fragment float4 fmain(VertToFrag vtf [[ stage_in ]])\n"
"{\n"
" return vtf.color;\n"
"}\n";
struct MetalLineDataBindingFactory : CLineRendererShaders::IDataBindingFactory
{
void BuildShaderDataBinding(CLineRenderer& renderer, boo::IShaderPipeline* pipeline, boo::ITexture* texture)
{
int texCount = 0;
boo::ITexture* textures[1];
if (texture)
{
textures[0] = texture;
texCount = 1;
}
boo::IGraphicsBuffer* uniforms[] = {renderer.m_uniformBuf};
renderer.m_shaderBind = CGraphics::g_BooFactory->newShaderDataBinding(pipeline, nullptr, renderer.m_vertBuf,
nullptr, nullptr, 1, uniforms,
texCount, textures);
}
};
CLineRendererShaders::IDataBindingFactory* CLineRendererShaders::Initialize(boo::MetalDataFactory& factory)
{
static const boo::VertexElementDescriptor VtxFmtTex[] =
{
{nullptr, nullptr, boo::VertexSemantic::Position4},
{nullptr, nullptr, boo::VertexSemantic::Color},
{nullptr, nullptr, boo::VertexSemantic::UV4}
};
m_texVtxFmt = factory.newVertexFormat(3, VtxFmtTex);
static const boo::VertexElementDescriptor VtxFmtNoTex[] =
{
{nullptr, nullptr, boo::VertexSemantic::Position4},
{nullptr, nullptr, boo::VertexSemantic::Color}
};
m_noTexVtxFmt = factory.newVertexFormat(2, VtxFmtNoTex);
m_texAlpha = factory.newShaderPipeline(VS_METAL_TEX, FS_METAL_TEX, m_texVtxFmt,
CGraphics::g_ViewportSamples,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::InvSrcAlpha,
boo::Primitive::TriStrips, false, true, false);
m_texAdditive = factory.newShaderPipeline(VS_METAL_TEX, FS_METAL_TEX, m_texVtxFmt,
CGraphics::g_ViewportSamples,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::One,
boo::Primitive::TriStrips, false, false, false);
m_noTexAlpha = factory.newShaderPipeline(VS_METAL_NOTEX, FS_METAL_NOTEX, m_noTexVtxFmt,
CGraphics::g_ViewportSamples,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::InvSrcAlpha,
boo::Primitive::TriStrips, false, true, false);
m_noTexAdditive = factory.newShaderPipeline(VS_METAL_NOTEX, FS_METAL_NOTEX, m_noTexVtxFmt,
CGraphics::g_ViewportSamples,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::One,
boo::Primitive::TriStrips, false, false, false);
return new struct MetalLineDataBindingFactory;
}
}