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/*
* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#pragma once
#define NOMINMAX
#include "core/maths.h"
#include <DirectXMath.h>
#include "shaderCommonD3D.h"
struct ShadowMapD3D;
typedef DirectX::XMFLOAT3 float3;
typedef DirectX::XMFLOAT4 float4;
typedef DirectX::XMFLOAT4X4 float4x4;
struct DiffuseDrawParamsD3D
{
DirectX::XMMATRIX projection;
DirectX::XMMATRIX view;
DirectX::XMMATRIX model;
float diffuseRadius; // point size in world space
float diffuseScale; // scale to calculate size in pixels
float spotMin;
float spotMax;
float motionScale;
DirectX::XMMATRIX lightTransform;
float3 lightPos;
float3 lightDir;
float4 color;
float4 shadowTaps[12];
ShadowMapD3D* shadowMap;
int mode;
};
enum FluidRenderMode
{
FLUID_RENDER_WIREFRAME,
FLUID_RENDER_SOLID,
NUM_FLUID_RENDER_MODES
};
enum FluidCullMode
{
FLUID_CULL_NONE,
FLUID_CULL_FRONT,
FLUID_CULL_BACK,
NUM_FLUID_CULL_MODES
};
enum FluidDrawStage
{
FLUID_DRAW_NULL,
FLUID_DRAW_SHADOW,
FLUID_DRAW_REFLECTION,
FLUID_DRAW_LIGHT
};
struct FluidDrawParamsD3D
{
FluidRenderMode renderMode;
FluidCullMode cullMode;
FluidDrawStage renderStage;
int offset;
int n;
DirectX::XMMATRIX projection;
DirectX::XMMATRIX view;
DirectX::XMMATRIX model;
float4 invTexScale;
float3 invViewport;
float3 invProjection;
float blurRadiusWorld;
float blurScale;
float blurFalloff;
int debug;
float3 lightPos;
float3 lightDir;
DirectX::XMMATRIX lightTransform;
float4 color;
float4 clipPosToEye;
float spotMin;
float spotMax;
float ior;
float pointRadius;
ShadowMapD3D* shadowMap;
// Used on D3D12
int m_srvDescriptorBase;
int m_sampleDescriptorBase;
};
enum MeshRenderMode
{
MESH_RENDER_WIREFRAME,
MESH_RENDER_SOLID,
NUM_MESH_RENDER_MODES
};
enum MeshCullMode
{
MESH_CULL_NONE,
MESH_CULL_FRONT,
MESH_CULL_BACK,
NUM_MESH_CULL_MODES
};
enum MeshDrawStage
{
MESH_DRAW_NULL,
MESH_DRAW_SHADOW,
MESH_DRAW_REFLECTION,
MESH_DRAW_LIGHT
};
struct MeshDrawParamsD3D
{
MeshRenderMode renderMode;
MeshCullMode cullMode;
MeshDrawStage renderStage;
DirectX::XMMATRIX projection;
DirectX::XMMATRIX view;
DirectX::XMMATRIX model;
float4x4 objectTransform;
DirectX::XMMATRIX lightTransform;
float3 lightPos;
float3 lightDir;
float4 clipPlane;
float4 fogColor;
float4 color;
float4 secondaryColor;
float bias;
float expand;
float spotMin;
float spotMax;
int grid;
int tex;
int colorArray;
float4 shadowTaps[12];
ShadowMapD3D* shadowMap;
};
enum PointRenderMode
{
POINT_RENDER_WIREFRAME,
POINT_RENDER_SOLID,
NUM_POINT_RENDER_MODES
};
enum PointCullMode
{
POINT_CULL_NONE,
POINT_CULL_FRONT,
POINT_CULL_BACK,
NUM_POINT_CULL_MODES
};
enum PointDrawStage
{
POINT_DRAW_NULL,
POINT_DRAW_SHADOW,
POINT_DRAW_REFLECTION,
POINT_DRAW_LIGHT
};
struct PointDrawParamsD3D
{
PointRenderMode renderMode;
PointCullMode cullMode;
PointDrawStage renderStage;
DirectX::XMMATRIX projection;
DirectX::XMMATRIX view;
DirectX::XMMATRIX model;
float pointRadius; // point size in world space
float pointScale; // scale to calculate size in pixels
float spotMin;
float spotMax;
DirectX::XMMATRIX lightTransform;
float3 lightPos;
float3 lightDir;
float4 colors[8];
float4 shadowTaps[12];
ShadowMapD3D* shadowMap;
int mode;
};
struct ShadowParamsD3D
{
DirectX::XMMATRIX lightTransform;
float3 lightPos;
float3 lightDir;
float bias;
float4 shadowTaps[12];
};
struct RenderParamsUtilD3D
{
/// Assumes the lightTransform is in OpenGl projection format
static void calcShadowParams(Vec3 lightPos, Vec3 lightTarget, Matrix44 lightTransform, float shadowBias, ShadowParamsD3D* paramsOut);
/// Convert a projection from GL into the same projection as can be used by Direct3D
/// D3D has clip z range [0, 1], GL -1 to 1 (as is unit cube)
static Matrix44 convertGLToD3DProjection(const Matrix44& proj);
static void calcMeshConstantBuffer(const MeshDrawParamsD3D& params, Hlsl::MeshShaderConst& constBufOut);
static void calcFluidConstantBuffer(const FluidDrawParamsD3D& params, Hlsl::FluidShaderConst& constBuf);
static void calcFluidCompositeConstantBuffer(const FluidDrawParamsD3D& params, Hlsl::FluidShaderConst& constBuf);
static void calcDiffuseConstantBuffer(const DiffuseDrawParamsD3D& params, Hlsl::DiffuseShaderConst& constBuf);
static void calcPointConstantBuffer(const PointDrawParamsD3D& params, Hlsl::PointShaderConst& constBuf);
};
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