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#pragma once
#include "../../Main.h"
#include "../Primitives/Vector4.h"
#include "../Primitives/Colorf.h"
namespace nCine
{
class DrawableNode;
class Shader;
class Texture;
/// Shader state class for the user to use custom shaders
class ShaderState
{
public:
ShaderState();
ShaderState(DrawableNode* node, Shader* shader);
~ShaderState();
ShaderState(const ShaderState&) = delete;
ShaderState& operator=(const ShaderState&) = delete;
inline const DrawableNode* GetNode() const {
return node_;
}
bool SetNode(DrawableNode* node);
inline const Shader* GetShader() const {
return shader_;
}
bool SetShader(Shader* shader);
/// Triggers a shader update without setting a new shader
bool ResetShader();
bool SetTexture(std::uint32_t unit, const Texture* texture);
inline bool SetTexture(const Texture* texture) {
return SetTexture(0, texture);
}
bool SetUniformInt(const char* blockName, const char* name, const std::int32_t* vector);
bool SetUniformInt(const char* blockName, const char* name, std::int32_t value0);
bool SetUniformInt(const char* blockName, const char* name, std::int32_t value0, std::int32_t value1);
bool SetUniformInt(const char* blockName, const char* name, std::int32_t value0, std::int32_t value1, std::int32_t value2);
bool SetUniformInt(const char* blockName, const char* name, std::int32_t value0, std::int32_t value1, std::int32_t value2, std::int32_t value3);
bool SetUniformInt(const char* blockName, const char* name, const Vector2i& vector);
bool SetUniformInt(const char* blockName, const char* name, const Vector3i& vector);
bool SetUniformInt(const char* blockName, const char* name, const Vector4i& vector);
bool SetUniformFloat(const char* blockName, const char* name, const float* vector);
bool SetUniformFloat(const char* blockName, const char* name, float value0);
bool SetUniformFloat(const char* blockName, const char* name, float value0, float value1);
bool SetUniformFloat(const char* blockName, const char* name, float value0, float value1, float value2);
bool SetUniformFloat(const char* blockName, const char* name, float value0, float value1, float value2, float value3);
bool SetUniformFloat(const char* blockName, const char* name, const Vector2f& vector);
bool SetUniformFloat(const char* blockName, const char* name, const Vector3f& vector);
bool SetUniformFloat(const char* blockName, const char* name, const Vector4f& vector);
bool SetUniformFloat(const char* blockName, const char* name, const Colorf& color);
std::uint32_t GetUniformBlockSize(const char* blockName);
bool CopyToUniformBlock(const char* blockName, std::uint32_t destIndex, std::uint8_t* src, std::uint32_t numBytes);
bool CopyToUniformBlock(const char* blockName, std::uint8_t* src, std::uint32_t numBytes);
bool CopyToUniformBlock(const char* blockName, std::uint8_t* src);
private:
DrawableNode* node_;
Shader* shader_;
std::int32_t previousShaderType_;
};
}
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