leocad/common/lc_context.h

100 lines
2.6 KiB
C++

#ifndef _LC_CONTEXT_H_
#define _LC_CONTEXT_H_
#include "lc_array.h"
#include "lc_math.h"
class lcScene
{
public:
lcScene();
void Begin(const lcMatrix44& ViewMatrix);
void End();
lcMatrix44 mViewMatrix;
lcArray<lcRenderMesh> mOpaqueMeshes;
lcArray<lcRenderMesh> mTranslucentMeshes;
lcArray<lcObject*> mInterfaceObjects;
};
typedef quintptr lcVertexBuffer;
typedef quintptr lcIndexBuffer;
#define LC_INVALID_VERTEX_BUFFER 0
#define LC_INVALID_INDEX_BUFFER 0
class lcContext
{
public:
lcContext();
~lcContext();
int GetViewportWidth() const
{
return mViewportWidth;
}
int GetViewportHeight() const
{
return mViewportHeight;
}
void SetDefaultState();
void SetViewport(int x, int y, int Width, int Height);
void SetWorldViewMatrix(const lcMatrix44& WorldViewMatrix);
void SetProjectionMatrix(const lcMatrix44& ProjectionMatrix);
// void SetColor(const lcVector4& Color);
void SetLineWidth(float LineWidth);
bool BeginRenderToTexture(int Width, int Height);
void EndRenderToTexture();
bool SaveRenderToTextureImage(const QString& FileName, int Width, int Height);
lcVertexBuffer CreateVertexBuffer(int Size, void* Data);
void DestroyVertexBuffer(lcVertexBuffer& VertexBuffer);
lcIndexBuffer CreateIndexBuffer(int Size, void* Data);
void DestroyIndexBuffer(lcIndexBuffer& IndexBuffer);
void ClearVertexBuffer();
void SetVertexBuffer(lcVertexBuffer VertexBuffer);
void SetVertexBufferPointer(const void* VertexBuffer);
void SetVertexFormat(int BufferOffset, int PositionSize, int TexCoordSize, int ColorSize);
void DrawPrimitives(GLenum Mode, GLint First, GLsizei Count);
void UnbindMesh();
void DrawMeshSection(lcMesh* Mesh, lcMeshSection* Section);
void DrawOpaqueMeshes(const lcMatrix44& ViewMatrix, const lcArray<lcRenderMesh>& OpaqueMeshes);
void DrawTranslucentMeshes(const lcMatrix44& ViewMatrix, const lcArray<lcRenderMesh>& TranslucentMeshes);
void DrawInterfaceObjects(const lcMatrix44& ViewMatrix, const lcArray<lcObject*>& InterfaceObjects);
protected:
void BindMesh(lcMesh* Mesh);
GLuint mVertexBufferObject;
GLuint mIndexBufferObject;
char* mVertexBufferPointer;
char* mIndexBufferPointer;
char* mVertexBufferOffset;
bool mTexCoordEnabled;
bool mColorEnabled;
lcTexture* mTexture;
float mLineWidth;
int mMatrixMode;
int mViewportX;
int mViewportY;
int mViewportWidth;
int mViewportHeight;
GLuint mFramebufferObject;
GLuint mFramebufferTexture;
GLuint mDepthRenderbufferObject;
Q_DECLARE_TR_FUNCTIONS(lcContext);
};
#endif // _LC_CONTEXT_H_