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Refactors to support fog volume rendering

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This commit is contained in:
Jack Andersen
2017-03-13 21:03:58 -10:00
parent 22989ff47c
commit 1629882113
47 changed files with 1362 additions and 332 deletions
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83
Runtime/Graphics/Shaders/CFogVolumePlaneShaderMetal.cpp Normal file
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#include "CFogVolumePlaneShader.hpp"
#include "TShader.hpp"
namespace urde
{
static const char* VS =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct VertData\n"
"{\n"
" float4 posIn [[ attribute(0) ]];\n"
"};\n"
"\n"
"struct VertToFrag\n"
"{\n"
" float4 position [[ position ]];\n"
"};\n"
"\n"
"vertex VertToFrag vmain(VertData v [[ stage_in ]])\n"
"{\n"
" VertToFrag vtf;\n"
" vtf.position = v.posIn;\n"
" return vtf;\n"
"}\n";
static const char* FS =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct VertToFrag\n"
"{\n"
" float4 position [[ position ]];\n"
"};\n"
"\n"
"fragment float4 fmain(VertToFrag vtf [[ stage_in ]])\n"
"{\n"
" return float4(1.0, 1.0, 1.0, 1.0);\n"
"}\n";
URDE_DECL_SPECIALIZE_SHADER(CFogVolumePlaneShader)
static boo::IVertexFormat* s_VtxFmt = nullptr;
static boo::IShaderPipeline* s_Pipelines[4] = {};
struct CFogVolumePlaneShaderMetalDataBindingFactory : TShader<CFogVolumePlaneShader>::IDataBindingFactory
{
boo::IShaderDataBinding* BuildShaderDataBinding(boo::IGraphicsDataFactory::Context& ctx,
CFogVolumePlaneShader& filter)
{
boo::MetalDataFactory::Context& cctx = static_cast<boo::MetalDataFactory::Context&>(ctx);
for (int i=0 ; i<4 ; ++i)
filter.m_dataBinds[i] = cctx.newShaderDataBinding(s_Pipelines[i], s_VtxFmt,
filter.m_vbo, nullptr, nullptr, 0, nullptr,
nullptr, nullptr, nullptr, 0, nullptr, nullptr, nullptr);
return filter.m_dataBinds[0];
}
};
TShader<CFogVolumePlaneShader>::IDataBindingFactory*
CFogVolumePlaneShader::Initialize(boo::MetalDataFactory::Context& ctx)
{
const boo::VertexElementDescriptor VtxVmt[] =
{
{nullptr, nullptr, boo::VertexSemantic::Position4}
};
s_VtxFmt = ctx.newVertexFormat(1, VtxVmt);
s_Pipelines[0] = ctx.newShaderPipeline(VS, FS, s_VtxFmt, CGraphics::g_ViewportSamples, boo::BlendFactor::Zero,
boo::BlendFactor::Zero, boo::Primitive::TriStrips,
boo::ZTest::LEqual, true, false, false, boo::CullMode::Frontface);
s_Pipelines[1] = ctx.newShaderPipeline(VS, FS, s_VtxFmt, CGraphics::g_ViewportSamples, boo::BlendFactor::Zero,
boo::BlendFactor::Zero, boo::Primitive::TriStrips,
boo::ZTest::None, false, false, false, boo::CullMode::Frontface);
s_Pipelines[2] = ctx.newShaderPipeline(VS, FS, s_VtxFmt, CGraphics::g_ViewportSamples, boo::BlendFactor::Zero,
boo::BlendFactor::Zero, boo::Primitive::TriStrips,
boo::ZTest::LEqual, true, false, false, boo::CullMode::Backface);
s_Pipelines[3] = ctx.newShaderPipeline(VS, FS, s_VtxFmt, CGraphics::g_ViewportSamples, boo::BlendFactor::Zero,
boo::BlendFactor::Zero, boo::Primitive::TriStrips,
boo::ZTest::Greater, false, false, false, boo::CullMode::Backface);
return new CFogVolumePlaneShaderMetalDataBindingFactory;
}
}