/// <summary>
///
/// </summary>
void ConstructTexture(int w, int h)
{
var desc = new Texture.InitDesc()
{
bindFlag = TextureBuffer.BindFlag.IsRenderTarget,
width = w,
height = h,
format = SlimDX.DXGI.Format.R16_Float,
};
if (linearBuffer_ == null)
{
linearBuffer_ = new Texture();
linearHalfBuffer_ = new Texture();
}
else
{
linearBuffer_.Dispose();
linearHalfBuffer_.Dispose();
}
linearBuffer_.Initialize(desc);
desc.width /= 2;
desc.height /= 2;
linearHalfBuffer_.Initialize(desc);
}
/// <summary>
///
/// </summary>
public ShadowMap(int width, int height, Type type = Type.VSM)
{
type_ = type;
shaderName_ = new string[] { "ConstructVSM", "ConstructEVSM" };
bufferFormat_ = new Format[] { Format.R16G16_Float, Format.R16G16B16A16_Float };
shadowMap_ = new Texture(new Texture.InitDesc {
width = width,
height = height,
format = Format.R32_Typeless,
bindFlag = TextureBuffer.BindFlag.IsDepthStencil,
});
blurMap_ = new Texture[2];
for (int i = 0; i < blurMap_.Length; i++)
{
Texture.InitDesc desc = new Texture.InitDesc()
{
width = width / 2,
height = height / 2,
format = bufferFormat_[(int)type_],
bindFlag = TextureBuffer.BindFlag.IsRenderTarget,
};
blurMap_[i] = new Texture(desc);
}
frameBuffer_ = new GraphicsCore.FrameBuffer()
{
color_buffer_ = new Texture[0],
depth_stencil_ = shadowMap_,
};
blurFrameBuffer_ = new GraphicsCore.FrameBuffer()
{
color_buffer_ = new Texture[1],
depth_stencil_ = null,
};
Lib.Rect rect = new Lib.Rect(new Vector3(-1.0f, 1.0f, 0.0f), new Vector3(1.0f, -1.0f, 0.0f));
blurPrim_ = new Prim(shaderName_[(int)type_], (uint)Shader.VertexAttr.TEXCOORD0);
blurPrim_.AddRect(ref rect);
blurPrim_.GetMaterial().DepthState = RenderState.DepthState.None;
camera_ = new Camera();
camera_.InitializeOrtho(new Vector3(0, 100, 0), new Vector3(0, 0, 0), new Vector3(0, 0, 1), 100, 100, 1, 100);
shadowCastShader_ = ShaderManager.FindShader("DrawShadowMap", (uint)(Shader.VertexAttr.POSITION));
shadowMapDrawShaderFunc_ = (o) => {
return(shadowCastShader_);
};
}
/// <summary>
///
/// </summary>
/// <param name="w"></param>
/// <param name="h"></param>
void AllocateTexture(int w, int h)
{
if (rayTraceBuffer_ != null)
{
rayTraceBuffer_.Dispose();
}
else
{
rayTraceBuffer_ = new Texture();
}
var desc = new Texture.InitDesc()
{
bindFlag = TextureBuffer.BindFlag.IsRenderTarget,
width = w / 2,
height = h / 2,
format = SlimDX.DXGI.Format.R16G16B16A16_Float,
};
rayTraceBuffer_.Initialize(desc);
}
/// <summary>
///
/// </summary>
public ToneMap()
{
// サイズによってテクスチャを作り替える、ということをしたくないので
// FullHD想定でテクスチャを作成しておく
int w = 1920;
int h = 1080;
avgBuffer_ = new Texture[6];
var desc = new Texture.InitDesc()
{
bindFlag = TextureBuffer.BindFlag.IsRenderTarget,
width = w / 4,
height = h / 4,
format = SlimDX.DXGI.Format.R16_Float,
};
avgBuffer_[0] = new Texture(desc);
desc.width = w / 16;
desc.height = h / 16;
avgBuffer_[1] = new Texture(desc);
desc.width = w / 32;
desc.height = h / 32;
avgBuffer_[2] = new Texture(desc);
desc.width = w / 64;
desc.height = h / 64;
avgBuffer_[3] = new Texture(desc);
desc.width = w / 128;
desc.height = h / 128;
avgBuffer_[4] = new Texture(desc);
desc.width = w / 256;
desc.height = h / 256;
avgBuffer_[5] = new Texture(desc);
frameBuffer_ = new GraphicsCore.FrameBuffer()
{
color_buffer_ = new Texture[1],
depth_stencil_ = null,
};
var uavDesc_ = new Texture.InitDesc {
bindFlag = TextureBuffer.BindFlag.IsUnorderedAccess | TextureBuffer.BindFlag.IsRenderTarget,
width = 1,
height = 1,
format = SlimDX.DXGI.Format.R32_Float, // RWとして使うためには32bitにする必要がある
};
luminanceAvg_ = new Texture(uavDesc_);
Lib.Rect rect = new Lib.Rect(new Vector3(-1.0f, 1.0f, 0.0f), new Vector3(1.0f, -1.0f, 0.0f));
prim_ = new Prim("Downsample4x4CalcLuminance", (uint)Shader.VertexAttr.TEXCOORD0);
prim_.AddRect(ref rect);
prim_.GetMaterial().DepthState = RenderState.DepthState.None;
downSample4Lum_ = ShaderManager.FindShader("Downsample4x4CalcLuminance", (uint)Shader.VertexAttr.TEXCOORD0);
downSample4_ = ShaderManager.FindShader("Downsample4x4Luminance", (uint)Shader.VertexAttr.TEXCOORD0);
downSample2_ = ShaderManager.FindShader("Downsample2x2Luminance", (uint)Shader.VertexAttr.TEXCOORD0);
toneMap_ = ShaderManager.FindShader("ToneMap", (uint)Shader.VertexAttr.TEXCOORD0);
resolveGamma_ = ShaderManager.FindShader("ResolveGamma", (uint)Shader.VertexAttr.TEXCOORD0);
ComputeShader.InitDesc shaderDesc = new ComputeShader.InitDesc {
file_name = "asset/shader/ToneMap.fx",
id = 0,
is_byte_code = false,
main = "FinalCalculateAverageLuminance",
};
lumResolveShader_ = new ComputeShader(shaderDesc);
lumResolveShader_.SetUAVs(new Texture[] { luminanceAvg_ });
lumResolveShader_.SetResources(new Texture[] { avgBuffer_[5] });
initBuffer_ = false;
KeyValue = 0.2f;
Shader.SetConstantBufferUpdateFunc("CB_ToneMap", (s, i) => {
dynamic cb = i;
if (cb.g_keyValue != KeyValue)
{
cb.g_keyValue = KeyValue;
return(true);
}
return(false);
});
}
