dolphin/Source/Core/VideoBackends/OGL/VertexManager.h

61 lines
1.6 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <vector>
#include "Common/CommonTypes.h"
#include "Common/GL/GLUtil.h"
#include "VideoCommon/NativeVertexFormat.h"
#include "VideoCommon/VertexManagerBase.h"
namespace OGL
{
class StreamBuffer;
class GLVertexFormat : public NativeVertexFormat
{
public:
GLVertexFormat(const PortableVertexDeclaration& vtx_decl);
~GLVertexFormat();
GLuint VAO;
};
// Handles the OpenGL details of drawing lots of vertices quickly.
// Other functionality is moving out.
class VertexManager : public VertexManagerBase
{
public:
VertexManager();
~VertexManager();
std::unique_ptr<NativeVertexFormat>
CreateNativeVertexFormat(const PortableVertexDeclaration& vtx_decl) override;
void UploadUtilityUniforms(const void* uniforms, u32 uniforms_size) override;
GLuint GetVertexBufferHandle() const;
GLuint GetIndexBufferHandle() const;
protected:
void CreateDeviceObjects() override;
void DestroyDeviceObjects() override;
void ResetBuffer(u32 vertex_stride, bool cull_all) override;
void CommitBuffer(u32 num_vertices, u32 vertex_stride, u32 num_indices, u32* out_base_vertex,
u32* out_base_index) override;
void UploadConstants() override;
void DrawCurrentBatch(u32 base_index, u32 num_indices, u32 base_vertex) override;
private:
std::unique_ptr<StreamBuffer> m_vertex_buffer;
std::unique_ptr<StreamBuffer> m_index_buffer;
// Alternative buffers in CPU memory for primatives we are going to discard.
std::vector<u8> m_cpu_v_buffer;
std::vector<u16> m_cpu_i_buffer;
};
} // namespace OGL