hyporo-cpp/source/hpr/gpu/device.hpp
2022-12-06 23:52:49 +05:00

149 lines
3.4 KiB
C++

#pragma once
#include "context.hpp"
#include "buffer.hpp"
#include "shader.hpp"
#include "shader_program.hpp"
#include "texture.hpp"
#include "render_target.hpp"
#include "../containers/array.hpp"
#include "../window_system/window_system.hpp"
namespace hpr::gpu
{
class Device : public Context
{
public:
enum class CullMode
{
Front,
Back,
FrontAndBack,
None
};
protected:
darray<Buffer*> p_buffers;
darray<Shader*> p_shaders;
darray<ShaderProgram*> p_shaderPrograms;
darray<Texture*> p_textures;
Buffer* p_currentVertexBuffer;
Buffer* p_currentIndexBuffer;
Buffer* p_currentUniformBuffer;
ShaderProgram* p_currentShaderProgram;
darray<RenderTarget*> p_renderTargets;
protected:
// Constructors
Device();
explicit
Device(DeviceAPI api);
~Device() override;
public:
// Global functions
static
void create(Device** device, DeviceAPI api);
// Member functions
// Setup
virtual
bool initialize() = 0;
virtual
bool destroy() = 0;
// State
virtual
void faceCulling(bool enableFaceCulling, CullMode faceCullingMode) = 0;
// Render targets
virtual
void createScreenRenderTarget(RenderTarget** target, Window* window) = 0;
virtual
void createFramebufferRenderTarget(RenderTarget** target, int width, int height) = 0;
virtual
void createSubRenderTarget(RenderTarget** target, RenderTarget* parent, int x, int y, int width, int height) = 0;
virtual
void moveRenderTarget(RenderTarget* target, int x, int y);
virtual
void scaleRenderTarget(RenderTarget* target, int width, int height);
virtual
void destroyRenderTarget(RenderTarget*& target);
// Buffers
virtual
void createVertexBuffer(Buffer **buffer, int size, char* data) = 0;
virtual
void createIndexBuffer(Buffer **buffer, int size, char* data) = 0;
virtual
void createUniformBuffer(Buffer **buffer, int size, char* data) = 0;
virtual
void useVertexBuffer(Buffer* buffer, int stride, int offset);
virtual
void useIndexBuffer(Buffer* buffer, int offset);
virtual
void useUniformBuffer(Buffer* buffer, int slot);
virtual
void editBuffer(Buffer* buffer, char* data, int size, int offset) = 0;
virtual
void editBuffer(Buffer* buffer, char* data) = 0;
virtual
void destroyBuffer(Buffer*& buffer);
Buffer* activeBuffer(Buffer::BufferType type);
// Shaders
virtual
void createVertexShader(Shader** shader, const std::string& filename, const std::string& label) = 0;
virtual
void createFragmentShader(Shader** shader, const std::string& filename, const std::string& label) = 0;
virtual
void createGeometryShader(Shader** shader, const std::string& filename, const std::string& label) = 0;
virtual
void destroyShader(Shader* shader);
// Shader programs
virtual
void createShaderProgram(ShaderProgram** program) = 0;
virtual
void attachShader(ShaderProgram* program, Shader* shader);
virtual
void linkProgram(ShaderProgram* program);
virtual
void useShaderProgram(ShaderProgram* program);
virtual
void destroyShaderProgram(ShaderProgram*& program, bool withShaders);
// Textures
virtual
void createTexture(Texture** texture, const std::string& filename) = 0;
virtual
void useTexture(Texture* texture, int slot) = 0;
virtual
void destroyTexture(Texture*& texture);
};
}