65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
//**************************************************************
|
|
//* OpenGLide for Macintosh - Glide to OpenGL Wrapper
|
|
//* http://macglide.sourceforge.net/
|
|
//*
|
|
//* Glide framebuffer emulation
|
|
//*
|
|
//* OpenGLide is OpenSource under LGPL license
|
|
//* Mac version and additional features by Jens-Olaf Hemprich
|
|
//**************************************************************
|
|
|
|
#pragma once
|
|
|
|
#include "Framebuffer.h"
|
|
|
|
#define GR_LFBWRITEMODE_UNUSED (GR_LFBWRITEMODE_ANY -1)
|
|
|
|
class GlideFramebuffer : protected Framebuffer
|
|
{
|
|
public:
|
|
GlideFramebuffer();
|
|
~GlideFramebuffer();
|
|
protected:
|
|
bool m_write_opaque;
|
|
bool m_must_write;
|
|
bool m_renderbuffer_changed;
|
|
bool m_renderbuffer_changed_for_read;
|
|
GLfloat m_depth;
|
|
FxU32 m_alpha;
|
|
bool m_chromakeyvalue_changed;
|
|
FxU16 m_chromakeyvalue_new;
|
|
GrLfbWriteMode_t m_grLfbLockWriteMode[6];
|
|
unsigned int m_bufferclearcalls;
|
|
static const tilesize tilesize_table_carmageddon[11];
|
|
static const tilesize tilesizeTableFalcon40_640[7];
|
|
static const tilesize tilesizeTableFalcon40_800[8];
|
|
static tilesize tilesizeTableFalcon40Scaled[Framebuffer::MaxTiles];
|
|
static void scaleTilesizeTable(const tilesize* in, tilesize* out, int factor);
|
|
public:
|
|
void initialise(BufferStruct* framebuffer, BufferStruct* texbuffer);
|
|
void OnBufferLockStartWrite(GrLock_t dwType, GrBuffer_t dwBuffer, GrLfbWriteMode_t dwWriteMode, GrOriginLocation_t dwOrigin, FxBool bPixelPipeline);
|
|
void OnBufferUnlockEndWrite(GrBuffer_t dwBuffer);
|
|
// void OnBufferNumPending();
|
|
void OnBeforeBufferClear();
|
|
void OnLfbReadRegion();
|
|
void OnRenderDrawTriangles();
|
|
void OnBeforeBufferSwap();
|
|
void OnAfterBufferSwap();
|
|
// void OnSetIdle();
|
|
void OnClipWindow();
|
|
void OnChromaKeyValueChanged();
|
|
void Cleanup();
|
|
void SetAlpha(FxU32 alpha);
|
|
void SetDepth(GLfloat depth);
|
|
FxU16 GetChromaKeyValue16(GrColor_t chromakeyvalue);
|
|
inline void SetRenderBufferChanged() {m_renderbuffer_changed = m_renderbuffer_changed_for_read = true;};
|
|
inline bool GetRenderBufferChanged() const {return m_renderbuffer_changed;};
|
|
inline bool GetRenderBufferChangedForRead() const {return m_renderbuffer_changed_for_read;};
|
|
inline void ResetRenderBufferChangedForRead() {m_renderbuffer_changed_for_read = false;};
|
|
void CopyFrameBuffer(FxU16* targetbuffer);
|
|
inline FxU16 GetChromaKeyValue() {return Framebuffer::GetChromaKeyValue();};
|
|
protected:
|
|
void WriteFrameBuffer();
|
|
inline bool BackBufferIsLocked() {return m_grLfbLockWriteMode[GR_BUFFER_BACKBUFFER] != GR_LFBWRITEMODE_UNUSED;};
|
|
};
|