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#pragma once
#include "GfxDeviceTypes.h"
#include "External/shaderlab/Library/shadertypes.h"
#include "External/shaderlab/Library/texenv.h"
#include "Runtime/Utilities/dynamic_array.h"
struct GfxPatch
{
GfxPatch(const ShaderLab::FastPropertyName& name, const void* src, size_t ofs)
: nameIndex(name.index), source(src), patchOffset(ofs) {}
enum Type
{
kTypeFloat,
kTypeVector,
kTypeMatrix,
kTypeBuffer,
kTypeCount
};
int nameIndex;
const void* source;
size_t patchOffset;
};
struct GfxTexEnvPatch
{
GfxTexEnvPatch(const ShaderLab::FastPropertyName& name, const ShaderLab::FastPropertyName& matName,
ShaderLab::TexEnv* tex, TextureDimension dim, size_t ofs, UInt32 flags)
: nameIndex(name.index), matrixName(matName), texEnv(tex), texDim(dim), patchOffset(ofs), patchFlags(flags) {}
enum PatchFlag
{
kPatchProperties = 1 << 0,
kPatchMatrix = 1 << 1
};
//ShaderLab::FastPropertyName textureName;
int nameIndex;
ShaderLab::FastPropertyName matrixName;
ShaderLab::TexEnv* texEnv;
TextureDimension texDim;
size_t patchOffset;
UInt32 patchFlags;
};
class GfxPatchInfo
{
public:
FORCE_INLINE size_t GetPatchCount(GfxPatch::Type type) const { return m_Patches[type].size(); }
FORCE_INLINE const GfxPatch& GetPatch(GfxPatch::Type type, int index) const { return m_Patches[type][index]; }
FORCE_INLINE GfxPatch& GetPatch(GfxPatch::Type type, int index) { return m_Patches[type][index]; }
FORCE_INLINE void AddPatch(GfxPatch::Type type, const GfxPatch& p) { m_Patches[type].push_back(p); }
FORCE_INLINE size_t GetTexEnvPatchCount() const { return m_TexEnvPatches.size(); }
FORCE_INLINE const GfxTexEnvPatch& GetTexEnvPatch(int index) const { return m_TexEnvPatches[index]; }
FORCE_INLINE GfxTexEnvPatch& GetTexEnvPatch(int index) { return m_TexEnvPatches[index]; }
FORCE_INLINE void AddTexEnvPatch(const GfxTexEnvPatch& p) { m_TexEnvPatches.push_back(p); }
void Reset();
void AddPatchableFloat(const ShaderLab::FloatVal& val, float& dest, const void* bufferStart,
const ShaderLab::PropertySheet* props);
void AddPatchableVector(const ShaderLab::VectorVal& val, Vector4f& dest, const void* bufferStart,
const ShaderLab::PropertySheet* props);
bool AddPatchableTexEnv(const ShaderLab::FastPropertyName& name, const ShaderLab::FastPropertyName& matrixName,
TextureDimension dim, TexEnvData* dest, const void* bufferStart, const ShaderLab::PropertySheet* props);
private:
typedef dynamic_array<GfxPatch> PatchArray;
typedef dynamic_array<GfxTexEnvPatch> TexEnvPatchArray;
PatchArray m_Patches[GfxPatch::kTypeCount];
TexEnvPatchArray m_TexEnvPatches;
};
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