metaforce/Runtime/Graphics/Shaders/CDecalShadersMetal.cpp

222 lines
8.2 KiB
C++

#include "CDecalShaders.hpp"
#include "Particle/CDecal.hpp"
namespace urde
{
static const char* VS_METAL_TEX =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct VertData\n"
"{\n"
" float4 posIn[4];\n"
" float4 colorIn;\n"
" float4 uvsIn[4];\n"
"};\n"
"\n"
"struct DecalUniform\n"
"{\n"
" float4x4 mvp;\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(1) ]],\n"
" uint vertId [[ vertex_id ]], uint instId [[ instance_id ]],\n"
" constant DecalUniform& decal [[ buffer(2) ]])\n"
"{\n"
" VertToFrag vtf;\n"
" constant VertData& v = va[instId];\n"
" vtf.color = v.colorIn * decal.moduColor;\n"
" vtf.uv = v.uvsIn[vertId].xy;\n"
" vtf.position = decal.mvp * v.posIn[vertId];\n"
" return vtf;\n"
"}\n";
static const char* FS_METAL_TEX =
"#include <metal_stdlib>\n"
"using namespace metal;\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"
" sampler samp [[ sampler(0) ]],\n"
" texture2d<float> tex0 [[ texture(0) ]])\n"
"{\n"
" return vtf.color * tex0.sample(samp, vtf.uv);\n"
"}\n";
static const char* FS_METAL_TEX_REDTOALPHA =
"#include <metal_stdlib>\n"
"using namespace metal;\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"
" sampler samp [[ sampler(0) ]],\n"
" texture2d<float> tex0 [[ texture(0) ]])\n"
"{\n"
" return float4(vtf.color.rgb, tex0.sample(samp, vtf.uv).r);\n"
"}\n";
static const char* VS_METAL_NOTEX =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct VertData\n"
"{\n"
" float4 posIn[4];\n"
" float4 colorIn;\n"
"};\n"
"\n"
"struct DecalUniform\n"
"{\n"
" float4x4 mvp;\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(1) ]],\n"
" uint vertId [[ vertex_id ]], uint instId [[ instance_id ]],\n"
" constant DecalUniform& decal [[ buffer(2) ]])\n"
"{\n"
" VertToFrag vtf;\n"
" constant VertData& v = va[instId];\n"
" vtf.color = v.colorIn * decal.moduColor;\n"
" vtf.position = decal.mvp * v.posIn[vertId];\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 MetalDecalDataBindingFactory : TShader<CDecalShaders>::IDataBindingFactory
{
boo::ObjToken<boo::IShaderDataBinding> BuildShaderDataBinding(boo::IGraphicsDataFactory::Context& ctx,
CDecalShaders& shader)
{
CQuadDecal& decal = shader.m_decal;
const SQuadDescr* desc = decal.m_desc;
CUVElement* texr = desc->x14_TEX.get();
int texCount = 0;
boo::ObjToken<boo::ITexture> textures[1];
if (texr)
{
textures[0] = texr->GetValueTexture(0).GetObj()->GetBooTexture();
texCount = 1;
}
if (decal.m_instBuf)
{
boo::ObjToken<boo::IGraphicsBuffer> uniforms[] = {decal.m_uniformBuf.get()};
if (shader.m_regPipeline)
decal.m_normalDataBind = ctx.newShaderDataBinding(shader.m_regPipeline, nullptr, nullptr,
decal.m_instBuf.get(), nullptr, 1, uniforms,
nullptr, texCount, textures, nullptr, nullptr);
if (shader.m_redToAlphaPipeline)
decal.m_redToAlphaDataBind = ctx.newShaderDataBinding(shader.m_redToAlphaPipeline, nullptr, nullptr,
decal.m_instBuf.get(), nullptr, 1, uniforms,
nullptr, texCount, textures, nullptr, nullptr);
}
return {};
}
};
TShader<CDecalShaders>::IDataBindingFactory* CDecalShaders::Initialize(boo::MetalDataFactory::Context& ctx)
{
static const boo::VertexElementDescriptor TexFmtTex[] =
{
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 0},
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 1},
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 2},
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 3},
{nullptr, nullptr, boo::VertexSemantic::Color | boo::VertexSemantic::Instanced},
{nullptr, nullptr, boo::VertexSemantic::UV4 | boo::VertexSemantic::Instanced, 0},
{nullptr, nullptr, boo::VertexSemantic::UV4 | boo::VertexSemantic::Instanced, 1},
{nullptr, nullptr, boo::VertexSemantic::UV4 | boo::VertexSemantic::Instanced, 2},
{nullptr, nullptr, boo::VertexSemantic::UV4 | boo::VertexSemantic::Instanced, 3}
};
m_vtxFormatTex = ctx.newVertexFormat(9, TexFmtTex);
static const boo::VertexElementDescriptor TexFmtNoTex[] =
{
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 0},
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 1},
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 2},
{nullptr, nullptr, boo::VertexSemantic::Position4 | boo::VertexSemantic::Instanced, 3},
{nullptr, nullptr, boo::VertexSemantic::Color | boo::VertexSemantic::Instanced}
};
m_vtxFormatNoTex = ctx.newVertexFormat(5, TexFmtNoTex);
m_texZTestNoZWrite = ctx.newShaderPipeline(VS_METAL_TEX, FS_METAL_TEX, nullptr, nullptr, m_vtxFormatTex,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::InvSrcAlpha,
boo::Primitive::TriStrips, boo::ZTest::LEqual, false, true, false, boo::CullMode::None);
m_texAdditiveZTest = ctx.newShaderPipeline(VS_METAL_TEX, FS_METAL_TEX, nullptr, nullptr, m_vtxFormatTex,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::One,
boo::Primitive::TriStrips, boo::ZTest::LEqual, false, true, false, boo::CullMode::None);
m_texRedToAlphaZTest = ctx.newShaderPipeline(VS_METAL_TEX, FS_METAL_TEX_REDTOALPHA, nullptr, nullptr, m_vtxFormatTex,
boo::BlendFactor::One, boo::BlendFactor::One,
boo::Primitive::TriStrips, boo::ZTest::LEqual, false, true, true, boo::CullMode::None);
m_noTexZTestNoZWrite = ctx.newShaderPipeline(VS_METAL_NOTEX, FS_METAL_NOTEX, nullptr, nullptr, m_vtxFormatNoTex,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::InvSrcAlpha,
boo::Primitive::TriStrips, boo::ZTest::LEqual, false, true, false, boo::CullMode::None);
m_noTexAdditiveZTest = ctx.newShaderPipeline(VS_METAL_NOTEX, FS_METAL_NOTEX, nullptr, nullptr, m_vtxFormatNoTex,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::One,
boo::Primitive::TriStrips, boo::ZTest::LEqual, false, true, false, boo::CullMode::None);
return new struct MetalDecalDataBindingFactory;
}
template <>
void CDecalShaders::Shutdown<boo::MetalDataFactory>()
{
m_texZTestNoZWrite.reset();
m_texAdditiveZTest.reset();
m_texRedToAlphaZTest.reset();
m_noTexZTestNoZWrite.reset();
m_noTexAdditiveZTest.reset();
m_vtxFormatTex.reset();
m_vtxFormatNoTex.reset();
}
}