source: pipeline/include/pipeline.h@ 85

/*
 * pipeline.h - GL/2 OpenGL compatible library for OS/2
 *
 * Copyright 2010 - Apollo Demetrious Sharpe <demetrioussharpe@netscape.net>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files)(the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * STEPHEN PARKER, TERENCE RIPPERDA, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


#ifndef __GL_H__
#define __GL_H__


#include <ddk\GL\glapis.h>
#include "stage.h"

/* pipe_init.c */
int Open(void);
void Close(void);

/* pipe_buffers.c */
BOOL CreateContext(PGLContext *Ctx, PVISUALCONFIG pVisualConfig, void *Sharelist, BOOL IsDirect);
BOOL DestroyContext(PGLContext *Ctx);
BOOL CopyContext(void *Ctx_src, void *Ctx_dst, GLuint attrib_mask);

/* pipe_current */
BOOL MakeCurrent(PGLContext *Ctx);

/* pipe_query */
PVISUALCONFIG* QueryConfigs(void);
LONG QueryCapability(void);
void QueryVersion(int *major, int *minor);

/* pipe_bitmap.c */
BOOL GrabFrontBitmap(PGLContext *Ctx, HPS *phps, HBITMAP *phbitmap);
BOOL ReleaseFrontBitmap(PGLContext *Ctx);

/* pipe_palette.c */
int SelectColorIndexPalette(PGLContext *Ctx);

/* pipe_buffers.c */
int SetPalette(PGLContext *Ctx);
void SwapBuffers(PGLContext *Ctx);
void ResizeBuffers(PGLContext *Ctx, unsigned int delta_x, unsigned int delta_y, void *pBuffer);

/* pipe_funcs.c */
PFN GetProcAddress(PCSZ);

PIPELINEOPS PipelineOps =
{
    Open,
    Close,
    CreateContext,
    DestroyContext,
    CopyContext,
    MakeCurrent,
    QueryConfigs,
    QueryCapability,
    QueryVersion,
    GrabFrontBitmap,
    ReleaseFrontBitmap,
    SelectColorIndexPalette,
    SetPalette,
    SwapBuffers,
    ResizeBuffers,
    GetProcAddress
};

class Pipeline
{
public:
    Pipeline();
    ~Pipeline();

    void Emit(PGLContext *ctx);

private:
    void Evaluate(PGLContext *ctx);
    void Run(PGLContext *ctx);

    /* Pipelines */
    Stage *pcCurrentPipeline;
    Stage *pcFixedPipe;
    Stage *pcProgPipe;
    Stage *pcDevicePipe;
};

StageFn pfnTransform;
StageFn pfnLighting;
StageFn pfnTexGenTrans;
StageFn pfnClipping;
StageFn pfnRasterization;
StageFn pfnTexturing;
StageFn pfnColoring;
StageFn pfnFogging;
StageFn pfnAntialiasing;
StageFn pfnFragOps;
StageFn pfnVertShading;
StageFn pfnFragShading;


#endif /* __GL_H__ */