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implemented basic shader expressions

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This commit is contained in:
Dynamitos
2023-02-24 22:09:07 +01:00
parent 48fa098546
commit f46262b66e
67 changed files with 1390 additions and 852 deletions
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src/Engine/Material/ShaderExpression.h
+117 -2
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@@ -1,21 +1,44 @@
#pragma once
#include "MinimalEngine.h"
#include "Containers/Map.h"
#include "Math/Math.h"
#include "Asset/TextureAsset.h"
namespace Seele
{
enum class ExpressionType
{
UNKNOWN,
FLOAT,
FLOAT2,
FLOAT3,
FLOAT4,
TEXTURE,
SAMPLER,
};
struct ExpressionInput
{
int source;
ExpressionType type = ExpressionType::UNKNOWN;
};
struct ExpressionOutput
{
std::string name;
ExpressionType type = ExpressionType::UNKNOWN;
};
DECLARE_REF(ShaderExpression);
struct ShaderExpression
{
Map<std::string, ExpressionInput> inputs;
ExpressionOutput output;
int32 key;
virtual uint64 getIdentifier() const = 0;
virtual std::string evaluate(Map<int32, std::string>& varState) const = 0;
virtual void save(ArchiveBuffer& buffer) const;
virtual void load(ArchiveBuffer& buffer);
};
DEFINE_REF(ShaderExpression)
DECLARE_NAME_REF(Gfx, DescriptorSet)
struct ShaderParameter : public ShaderExpression
{
@@ -27,7 +50,9 @@ struct ShaderParameter : public ShaderExpression
virtual ~ShaderParameter();
// update a descriptorset, in case of a uniform buffer, copy the data to the dst + byteOffset
virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) = 0;
virtual void generateDeclaration(std::ofstream& stream) const = 0;
virtual uint64 getIdentifier() const = 0;
virtual std::string evaluate(Map<int32, std::string>& varState) const override;
virtual void save(ArchiveBuffer& buffer) const;
virtual void load(ArchiveBuffer& buffer);
};
@@ -40,6 +65,7 @@ struct FloatParameter : public ShaderParameter
FloatParameter(std::string name, uint32 byteOffset, uint32 binding);
virtual ~FloatParameter();
virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
virtual void generateDeclaration(std::ofstream& stream) const override;
virtual uint64 getIdentifier() const override { return IDENTIFIER; }
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
@@ -53,6 +79,7 @@ struct VectorParameter : public ShaderParameter
VectorParameter(std::string name, uint32 byteOffset, uint32 binding);
virtual ~VectorParameter();
virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
virtual void generateDeclaration(std::ofstream& stream) const override;
virtual uint64 getIdentifier() const override { return IDENTIFIER; }
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
@@ -66,6 +93,7 @@ struct TextureParameter : public ShaderParameter
TextureParameter(std::string name, uint32 byteOffset, uint32 binding);
virtual ~TextureParameter();
virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
virtual void generateDeclaration(std::ofstream& stream) const override;
virtual uint64 getIdentifier() const override { return IDENTIFIER; }
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
@@ -80,6 +108,7 @@ struct SamplerParameter : public ShaderParameter
SamplerParameter(std::string name, uint32 byteOffset, uint32 binding);
virtual ~SamplerParameter();
virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
virtual void generateDeclaration(std::ofstream& stream) const override;
virtual uint64 getIdentifier() const override { return IDENTIFIER; }
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
@@ -94,13 +123,99 @@ struct CombinedTextureParameter : public ShaderParameter
CombinedTextureParameter(std::string name, uint32 byteOffset, uint32 binding);
virtual ~CombinedTextureParameter();
virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
virtual void generateDeclaration(std::ofstream& stream) const override;
virtual uint64 getIdentifier() const override { return IDENTIFIER; }
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
};
DEFINE_REF(CombinedTextureParameter)
struct ConstantExpression : public ShaderExpression
{
static constexpr uint64 IDENTIFIER = 0x11;
std::string expr;
ConstantExpression();
ConstantExpression(std::string expr, ExpressionType type);
virtual ~ConstantExpression();
virtual uint64 getIdentifier() const { return IDENTIFIER; }
virtual std::string evaluate(Map<int32, std::string>& varState) const override;
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
};
DEFINE_REF(ConstantExpression)
struct AddExpression : public ShaderExpression
{
static constexpr uint64 IDENTIFIER = 0x12;
AddExpression();
virtual ~AddExpression();
virtual uint64 getIdentifier() const { return IDENTIFIER; }
virtual std::string evaluate(Map<int32, std::string>& varState) const override;
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
};
DEFINE_REF(AddExpression)
struct SubExpression : public ShaderExpression
{
static constexpr uint64 IDENTIFIER = 0x13;
SubExpression() {}
virtual ~SubExpression() {}
virtual uint64 getIdentifier() const { return IDENTIFIER; }
virtual std::string evaluate(Map<int32, std::string>& varState) const override;
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
};
DEFINE_REF(SubExpression)
struct MulExpression : public ShaderExpression
{
static constexpr uint64 IDENTIFIER = 0x14;
MulExpression() {}
virtual ~MulExpression() {}
virtual uint64 getIdentifier() const { return IDENTIFIER; }
virtual std::string evaluate(Map<int32, std::string>& varState) const override;
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
};
DEFINE_REF(MulExpression)
struct SwizzleExpression : public ShaderExpression
{
static constexpr uint64 IDENTIFIER = 0x15;
StaticArray<int32, 4> comp = {-1, -1, -1, -1};
SwizzleExpression() {}
virtual ~SwizzleExpression() {}
virtual uint64 getIdentifier() const { return IDENTIFIER; }
virtual std::string evaluate(Map<int32, std::string>& varState) const override;
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
};
DEFINE_REF(SwizzleExpression)
struct SampleExpression : public ShaderExpression
{
static constexpr uint64 IDENTIFIER = 0x16;
SampleExpression() {}
virtual ~SampleExpression() {}
virtual uint64 getIdentifier() const { return IDENTIFIER; }
virtual std::string evaluate(Map<int32, std::string>& varState) const override;
virtual void save(ArchiveBuffer& buffer) const override;
virtual void load(ArchiveBuffer& buffer) override;
};
DEFINE_REF(SampleExpression)
struct MaterialNode
{
std::string profile;
Map<std::string, PShaderExpression> variables;
MaterialNode() {}
virtual ~MaterialNode() {}
virtual std::string evaluate() const { return ""; }
void save(ArchiveBuffer& buffer) const;
void load(ArchiveBuffer& buffer);
};
DEFINE_REF(MaterialNode)
namespace Serialization
{
void save(ArchiveBuffer& buffer, const PShaderExpression& parameter);
void load(ArchiveBuffer& buffer, PShaderExpression& parameter);
void save(ArchiveBuffer& buffer, const PShaderParameter& parameter);
void load(ArchiveBuffer& buffer, PShaderParameter& parameter);
} // namespace Serialization