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1481 lines
41 KiB
1481 lines
41 KiB
#include "precomp.h"
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#pragma hdrstop
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#include "genclear.h"
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// Null stores...
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static void FASTCALL Store_NOT(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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}
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static GLboolean FASTCALL StoreSpanNone(__GLcontext *gc)
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{
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return GL_FALSE;
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}
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/* XXX! Current policy for >8-bit ColorIndex:
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- The index<->Color mapping will be kept in gengc->pajTranslateVector,
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viewed as an array of longs. The first entry in the array will be
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the number of valid entries in the table.
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- gengc->pajTranslateVector will never be NULL, it is always allocated
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at MakeCurrent, and tracks any palette changes.
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- the minimum indexBits is 8 if the pixel format is > 8 bits deep
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*/
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/******************************Public*Routine******************************\
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* dibSetPixelCI
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*
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* Special case version of GDI SetPixel API for use when the destination
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* surface is a DIB and rendering in color index mode.
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*
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* This function *must* be used in lieu of gdiCopyPixels if we are
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* accessing the screen directly as it is not safe to call GDI entry
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* points with a screen lock
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*
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* History:
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* 29-May-1995 -by- Gilman Wong [gilmanw]
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* Wrote it.
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\**************************************************************************/
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void dibSetPixelCI(__GLGENcontext *gengc, __GLcolorBuffer *cfb,
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GLint x, GLint y, DWORD dwColor)
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{
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GLuint flags;
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flags = cfb->buf.flags;
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ASSERTOPENGL(flags & DIB_FORMAT,
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"dibSetPixelCI called on non-DIB\n");
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if ( (flags & NO_CLIP) || wglPixelVisible(x, y) )
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{
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if ( gengc->gsurf.pfd.cColorBits > 4 )
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{
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VOID *pvDib;
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UINT cjPixel = gengc->gsurf.pfd.cColorBits >> 3;
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pvDib = (VOID *) (((BYTE *) gengc->gc.front->buf.base) +
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gengc->gc.front->buf.outerWidth * y +
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cjPixel * x);
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if ( gengc->gsurf.pfd.cColorBits == 8 )
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*((BYTE *) pvDib) = gengc->pajTranslateVector[dwColor];
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else
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{
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GLuint *pTrans = ((GLuint *) gengc->pajTranslateVector) + 1;
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dwColor &= cfb->redMax;
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switch (gengc->gsurf.pfd.cColorBits)
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{
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case 16:
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*((WORD *) pvDib) = (WORD) pTrans[dwColor];
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break;
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case 24:
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Copy3Bytes(pvDib, &(pTrans[dwColor]));
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break;
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case 32:
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*((DWORD *) pvDib) = (DWORD) pTrans[dwColor];
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break;
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default:
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WARNING1("dibSetPixelCI: bad cColorBits = %ld\n",
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gengc->gsurf.pfd.cColorBits);
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break;
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}
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}
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}
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else
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{
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BYTE *puj = (BYTE *)((ULONG_PTR)cfb->buf.base +
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(y*cfb->buf.outerWidth) + (x >> 1));
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dwColor = gengc->pajTranslateVector[dwColor & 0xf] & 0xf;
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if( x & 1 )
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*puj = (*puj & 0xf0) | (BYTE) dwColor;
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else
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*puj = (*puj & 0x0f) | (BYTE) (dwColor << 4);
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}
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}
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}
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/*
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** No dither, no logicOp.
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*/
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static void FASTCALL Store(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *genGc = (__GLGENcontext *)gc;
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COLORREF Cr;
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DWORD index;
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DBGLEVEL(32, "Store(CI)\n");
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index = (DWORD) (frag->color.r + __glHalf);
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Cr = PALETTEINDEX(index);
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x = __GL_UNBIAS_X(gc, frag->x);
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y = __GL_UNBIAS_Y(gc, frag->y);
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if ( !(genGc->fsLocks & LOCKFLAG_FRONT_BUFFER) )
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SetPixel( CURRENT_DC, x, y, Cr );
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else
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dibSetPixelCI(genGc, cfb, x, y, index);
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}
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/* XXX! The Store_* routines do not handle double buffering. Gilman
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has said that they will not be compatible with his 'cursor
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tear-down' strategy. Therefore we probably won't use them.
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BUT, they are about 30% faster than their Display*Store
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counterparts, so we'll keep them around for further study
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*/
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/*
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** Dither, no logicOp.
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*/
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static void FASTCALL Store_D(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *genGc = (__GLGENcontext *)gc;
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COLORREF Cr;
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DWORD index;
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DBGLEVEL(32, "Store_D\n");
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index = (DWORD) (frag->color.r + __glHalf);
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Cr = PALETTEINDEX(index);
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x = __GL_UNBIAS_X(gc, frag->x);
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y = __GL_UNBIAS_Y(gc, frag->y);
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if ( !(genGc->fsLocks & LOCKFLAG_FRONT_BUFFER) )
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SetPixel( CURRENT_DC, x, y, Cr );
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else
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dibSetPixelCI(genGc, cfb, x, y, index);
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}
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/*
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** No dither, logicOp
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*/
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static void FASTCALL Store_L(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *genGc = (__GLGENcontext *)gc;
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COLORREF Cr;
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DWORD index;
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DBGLEVEL(32, "Store_L\n");
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index = (DWORD) (frag->color.r + __glHalf);
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Cr = PALETTEINDEX(index);
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x = __GL_UNBIAS_X(gc, frag->x);
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y = __GL_UNBIAS_Y(gc, frag->y);
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if ( !(genGc->fsLocks & LOCKFLAG_FRONT_BUFFER) )
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SetPixel( CURRENT_DC, x, y, Cr );
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else
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dibSetPixelCI(genGc, cfb, x, y, index);
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}
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/*
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** Dither, logicOp
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*/
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static void FASTCALL Store_DL(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *genGc = (__GLGENcontext *)gc;
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COLORREF Cr;
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DWORD index;
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DBGLEVEL(32, "Store_DL\n");
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index = (DWORD) (frag->color.r + __glHalf);
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Cr = PALETTEINDEX(index);
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x = __GL_UNBIAS_X(gc, frag->x);
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y = __GL_UNBIAS_Y(gc, frag->y);
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if ( !(genGc->fsLocks & LOCKFLAG_FRONT_BUFFER) )
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SetPixel( CURRENT_DC, x, y, Cr );
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else
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dibSetPixelCI(genGc, cfb, x, y, index);
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}
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GLuint FASTCALL ColorToIndex( __GLGENcontext *genGc, GLuint color )
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{
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int i, imax;
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GLuint *pTrans = (GLuint *) genGc->pajTranslateVector;
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color &= genGc->gc.modes.rgbMask;
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imax = *pTrans++; // first element of pTrans is # entries
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for( i=0; i<imax; i++ ) {
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if( color == *pTrans++ )
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return i;
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}
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return 0;
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}
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GLuint FASTCALL DoLogicOp( GLenum logicOp, GLuint SrcColor, GLuint DstColor )
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{
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GLuint result;
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switch (logicOp) {
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case GL_CLEAR: result = 0; break;
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case GL_AND: result = SrcColor & DstColor; break;
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case GL_AND_REVERSE: result = SrcColor & (~DstColor); break;
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case GL_COPY: result = SrcColor; break;
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case GL_AND_INVERTED: result = (~SrcColor) & DstColor; break;
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case GL_NOOP: result = DstColor; break;
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case GL_XOR: result = SrcColor ^ DstColor; break;
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case GL_OR: result = SrcColor | DstColor; break;
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case GL_NOR: result = ~(SrcColor | DstColor); break;
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case GL_EQUIV: result = ~(SrcColor ^ DstColor); break;
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case GL_INVERT: result = ~DstColor; break;
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case GL_OR_REVERSE: result = SrcColor | (~DstColor); break;
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case GL_COPY_INVERTED: result = ~SrcColor; break;
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case GL_OR_INVERTED: result = (~SrcColor) | DstColor; break;
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case GL_NAND: result = ~(SrcColor & DstColor); break;
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case GL_SET: result = (GLuint)~0; break;
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}
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return result;
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}
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/************************************************************************/
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void FASTCALL DIBIndex4CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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GLubyte *puj;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *gengc;
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__GLfloat inc;
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GLuint enables = gc->state.enables.general;
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GLubyte index;
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gengc = (__GLGENcontext *)gc;
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x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
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y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
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inc = (enables & __GL_DITHER_ENABLE) ?
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fDitherIncTable[__GL_DITHER_INDEX(frag->x, frag->y)] : __glHalf;
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if ( (cfb->buf.flags & NO_CLIP) ||
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(*gengc->pfnPixelVisible)(x, y) ) {
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index = (BYTE) (frag->color.r + inc);
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puj = (GLubyte *)((ULONG_PTR)cfb->buf.base +
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(y*cfb->buf.outerWidth) + (x >> 1));
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if( cfb->buf.flags & NEED_FETCH ) {
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GLubyte DstIndex;
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if (x & 1)
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DstIndex = gengc->pajInvTranslateVector[*puj & 0x0f];
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else
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DstIndex = gengc->pajInvTranslateVector[(*puj & 0xf0) >> 4];
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// apply logicop
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if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
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index = (GLubyte) DoLogicOp( gc->state.raster.logicOp,
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(GLuint) index, (GLuint) DstIndex );
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index &= 0xf;
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}
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// apply indexmask
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if( cfb->buf.flags & INDEXMASK_ON ) {
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index = (GLubyte)((index & cfb->sourceMask) | (DstIndex & cfb->destMask));
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}
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}
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index = gengc->pajTranslateVector[index & 0xf] & 0xf;
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if( x & 1 )
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*puj = (*puj & 0xf0) | index;
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else
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*puj = (*puj & 0x0f) | (index << 4);
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}
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}
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// Put fragment into created DIB and call copybits for one pixel
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void FASTCALL DisplayIndex4CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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GLubyte *puj;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *gengc;
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__GLfloat inc;
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GLuint enables = gc->state.enables.general;
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GLubyte index;
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gengc = (__GLGENcontext *)gc;
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x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
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y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
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inc = (enables & __GL_DITHER_ENABLE) ?
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fDitherIncTable[__GL_DITHER_INDEX(frag->x, frag->y)] : __glHalf;
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index = (BYTE) (frag->color.r + inc);
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puj = gengc->ColorsBits;
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if( cfb->buf.flags & NEED_FETCH ) {
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GLubyte DstIndex;
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(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
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DstIndex = gengc->pajInvTranslateVector[(*puj & 0xf0) >> 4];
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// apply logicop
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if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
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index = (GLubyte) DoLogicOp( gc->state.raster.logicOp,
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(GLuint) index, (GLuint) DstIndex );
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index &= 0xf;
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}
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// apply indexmask
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if( cfb->buf.flags & INDEXMASK_ON ) {
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index = (GLubyte)((index & cfb->sourceMask) | (DstIndex & cfb->destMask));
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}
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}
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*puj = gengc->pajTranslateVector[index & 0xf] << 4;
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(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, TRUE);
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}
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/************************************************************************/
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void FASTCALL DIBIndex8CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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GLubyte *puj;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *gengc;
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__GLfloat inc;
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GLuint enables = gc->state.enables.general;
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GLubyte index;
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gengc = (__GLGENcontext *)gc;
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x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
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y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
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inc = (enables & __GL_DITHER_ENABLE) ?
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fDitherIncTable[__GL_DITHER_INDEX(frag->x, frag->y)] : __glHalf;
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if ( (cfb->buf.flags & NO_CLIP) ||
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(*gengc->pfnPixelVisible)(x, y) ) {
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index = (BYTE) (frag->color.r + inc);
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puj = (GLubyte *)((ULONG_PTR)cfb->buf.base + (y*cfb->buf.outerWidth) + x);
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if( cfb->buf.flags & NEED_FETCH ) {
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GLubyte DstIndex = gengc->pajInvTranslateVector[*puj];
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// apply logicop
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if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
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index = (GLubyte) DoLogicOp( gc->state.raster.logicOp,
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(GLuint) index, (GLuint) DstIndex );
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}
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// apply indexmask
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if( cfb->buf.flags & INDEXMASK_ON ) {
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index = (GLubyte)((DstIndex & cfb->destMask) | (index & cfb->sourceMask));
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}
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}
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*puj = gengc->pajTranslateVector[index];
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}
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}
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/************************************************************************/
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void FASTCALL DisplayIndex8CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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GLubyte *puj;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *gengc;
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__GLfloat inc;
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GLuint enables = gc->state.enables.general;
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GLubyte index;
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gengc = (__GLGENcontext *)gc;
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x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
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y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
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inc = (enables & __GL_DITHER_ENABLE) ?
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fDitherIncTable[__GL_DITHER_INDEX(frag->x, frag->y)] : __glHalf;
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index = (BYTE) (frag->color.r + inc);
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puj = gengc->ColorsBits;
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if( cfb->buf.flags & NEED_FETCH ) {
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GLubyte DstIndex;
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(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
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DstIndex = gengc->pajInvTranslateVector[*puj];
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// apply logicop
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if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
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index = (GLubyte) DoLogicOp( gc->state.raster.logicOp,
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(GLuint) index, (GLuint) DstIndex );
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}
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// apply indexmask
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if( cfb->buf.flags & INDEXMASK_ON ) {
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index = (GLubyte)((DstIndex & cfb->destMask) | (index & cfb->sourceMask));
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}
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}
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*puj = gengc->pajTranslateVector[index];
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(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, TRUE);
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}
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/************************************************************************/
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void FASTCALL DIBRGBCIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
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{
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GLint x, y;
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GLubyte *puj;
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GLuint index;
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__GLcontext *gc = cfb->buf.gc;
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__GLGENcontext *gengc;
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GLuint enables = gc->state.enables.general;
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GLuint color, *pTrans;
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gengc = (__GLGENcontext *)gc;
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x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
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y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
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if ( (cfb->buf.flags & NO_CLIP) ||
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(*gengc->pfnPixelVisible)(x, y) ) {
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index = (GLuint) (frag->color.r + __glHalf);
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puj = (GLubyte *)((ULONG_PTR)cfb->buf.base +
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(y*cfb->buf.outerWidth) + (x * 3));
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pTrans = ((GLuint *) gengc->pajTranslateVector) + 1;
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if( cfb->buf.flags & NEED_FETCH ) {
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GLuint DstIndex; // represents both RGB and index
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Copy3Bytes( &DstIndex, puj );
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DstIndex = ColorToIndex( gengc, DstIndex );
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// apply logicop
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if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
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index = (GLuint) DoLogicOp( gc->state.raster.logicOp,
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(GLuint) index, (GLuint) DstIndex);
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}
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// apply indexmask
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|
|
if( cfb->buf.flags & INDEXMASK_ON ) {
|
|
index = ((GLuint) DstIndex & cfb->destMask) |
|
|
(index & cfb->sourceMask);
|
|
}
|
|
}
|
|
index &= cfb->redMax; // ceiling
|
|
color = pTrans[index]; // guaranteed to be in range
|
|
Copy3Bytes( puj, &color );
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
void FASTCALL DisplayRGBCIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
|
|
{
|
|
GLint x, y;
|
|
GLubyte *puj;
|
|
GLuint index, color, *pTrans;
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLuint enables = gc->state.enables.general;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
|
|
|
|
index = (GLuint) (frag->color.r + __glHalf);
|
|
puj = gengc->ColorsBits;
|
|
pTrans = (GLuint *) gengc->pajTranslateVector;
|
|
|
|
if( cfb->buf.flags & NEED_FETCH ) {
|
|
GLuint DstIndex; // represents both RGB and index
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
Copy3Bytes( &DstIndex, puj );
|
|
DstIndex = ColorToIndex( gengc, DstIndex );
|
|
|
|
// apply logicop
|
|
|
|
if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
|
|
index = (GLuint) DoLogicOp( gc->state.raster.logicOp,
|
|
(GLuint) index, (GLuint) DstIndex );
|
|
}
|
|
|
|
// apply indexmask
|
|
|
|
if( cfb->buf.flags & INDEXMASK_ON ) {
|
|
index = ((GLuint) DstIndex & cfb->destMask) |
|
|
(index & cfb->sourceMask);
|
|
}
|
|
}
|
|
|
|
// Get RGB values that correspond to index
|
|
|
|
index &= cfb->redMax; // ceiling
|
|
color = pTrans[index+1]; // guaranteed to be in range
|
|
Copy3Bytes( puj, &color );
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, TRUE);
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
void FASTCALL DIBBitfield16CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
|
|
{
|
|
GLint x, y;
|
|
GLushort index, *pus;
|
|
GLuint *pTrans;
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
__GLfloat inc;
|
|
GLuint enables = gc->state.enables.general;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
|
|
|
|
inc = (enables & __GL_DITHER_ENABLE) ?
|
|
fDitherIncTable[__GL_DITHER_INDEX(frag->x, frag->y)] : __glHalf;
|
|
|
|
if ( (cfb->buf.flags & NO_CLIP) ||
|
|
(*gengc->pfnPixelVisible)(x, y) ) {
|
|
|
|
index = (GLushort) (frag->color.r + inc);
|
|
pus = (GLushort *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x << 1));
|
|
pTrans = (GLuint *) gengc->pajTranslateVector;
|
|
|
|
if( cfb->buf.flags & NEED_FETCH ) {
|
|
GLushort DstIndex; // represents both RGB and index
|
|
|
|
DstIndex = *pus;
|
|
DstIndex = (GLushort) ColorToIndex( gengc, (GLuint) DstIndex );
|
|
|
|
// apply logicop
|
|
|
|
if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
|
|
index = (GLushort) DoLogicOp( gc->state.raster.logicOp,
|
|
(GLuint) index, (GLuint) DstIndex);
|
|
}
|
|
|
|
// apply indexmask
|
|
|
|
if( cfb->buf.flags & INDEXMASK_ON ) {
|
|
index = (GLushort)((DstIndex & cfb->destMask) | (index & cfb->sourceMask));
|
|
}
|
|
}
|
|
index &= cfb->redMax;
|
|
*pus = (GLushort) pTrans[index+1];
|
|
}
|
|
}
|
|
|
|
// Put fragment into created DIB and call copybits for one pixel
|
|
void FASTCALL DisplayBitfield16CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
|
|
{
|
|
GLint x, y;
|
|
GLushort index, *pus;
|
|
GLuint *pTrans;
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
__GLfloat inc;
|
|
GLuint enables = gc->state.enables.general;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
|
|
|
|
inc = (enables & __GL_DITHER_ENABLE) ?
|
|
fDitherIncTable[__GL_DITHER_INDEX(frag->x, frag->y)] : __glHalf;
|
|
|
|
index = (GLushort) (frag->color.r + inc);
|
|
pus = gengc->ColorsBits;
|
|
pTrans = (GLuint *) gengc->pajTranslateVector;
|
|
|
|
if( cfb->buf.flags & NEED_FETCH ) {
|
|
GLushort DstIndex; // represents both RGB and index
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
DstIndex = *pus;
|
|
DstIndex = (GLushort) ColorToIndex( gengc, (GLuint) DstIndex );
|
|
|
|
// apply logicop
|
|
|
|
if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
|
|
index = (GLushort) DoLogicOp( gc->state.raster.logicOp,
|
|
(GLuint) index, (GLuint) DstIndex);
|
|
}
|
|
|
|
// apply indexmask
|
|
|
|
if( cfb->buf.flags & INDEXMASK_ON ) {
|
|
index = (GLushort)((DstIndex & cfb->destMask) | (index & cfb->sourceMask));
|
|
}
|
|
}
|
|
index &= cfb->redMax;
|
|
*pus = (GLushort) pTrans[index+1];
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, TRUE);
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
void FASTCALL DIBBitfield32CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
|
|
{
|
|
GLint x, y;
|
|
GLuint index, *pul, *pTrans;
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLuint enables = gc->state.enables.general;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
|
|
|
|
if ( (cfb->buf.flags & NO_CLIP) ||
|
|
(*gengc->pfnPixelVisible)(x, y) ) {
|
|
|
|
index = (GLuint) (frag->color.r + __glHalf);
|
|
pul = (GLuint *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x << 2));
|
|
pTrans = ((GLuint *) gengc->pajTranslateVector) + 1;
|
|
|
|
if( cfb->buf.flags & NEED_FETCH ) {
|
|
GLuint DstIndex; // represents both RGB and index
|
|
|
|
DstIndex = ColorToIndex( gengc, *pul );
|
|
|
|
// apply logicop
|
|
|
|
if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
|
|
index = (GLuint) DoLogicOp( gc->state.raster.logicOp, index,
|
|
DstIndex );
|
|
}
|
|
|
|
// apply indexmask
|
|
|
|
if( cfb->buf.flags & INDEXMASK_ON ) {
|
|
index = (GLuint)((DstIndex & cfb->destMask) | (index & cfb->sourceMask));
|
|
}
|
|
}
|
|
index &= cfb->redMax;
|
|
*pul = pTrans[index];
|
|
}
|
|
}
|
|
|
|
// Put fragment into created DIB and call copybits for one pixel
|
|
void FASTCALL DisplayBitfield32CIStore(__GLcolorBuffer *cfb, const __GLfragment *frag)
|
|
{
|
|
GLint x, y;
|
|
GLuint index, *pul, *pTrans;
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLuint enables = gc->state.enables.general;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, frag->x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, frag->y) + cfb->buf.yOrigin;
|
|
|
|
index = (GLuint) (frag->color.r + __glHalf);
|
|
pul = gengc->ColorsBits;
|
|
pTrans = ((GLuint *) gengc->pajTranslateVector) + 1;
|
|
|
|
if( cfb->buf.flags & NEED_FETCH ) {
|
|
GLuint DstIndex; // represents both RGB and index
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
DstIndex = ColorToIndex( gengc, *pul );
|
|
|
|
// apply logicop
|
|
|
|
if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
|
|
index = (GLuint) DoLogicOp( gc->state.raster.logicOp, index,
|
|
DstIndex );
|
|
}
|
|
|
|
// apply indexmask
|
|
|
|
if( cfb->buf.flags & INDEXMASK_ON ) {
|
|
index = (DstIndex & cfb->destMask) | (index & cfb->sourceMask);
|
|
}
|
|
}
|
|
index &= cfb->redMax;
|
|
*pul = pTrans[index];
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, TRUE);
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
static GLboolean FASTCALL SlowStoreSpan(__GLcontext *gc)
|
|
{
|
|
int x, x1;
|
|
int i;
|
|
__GLfragment frag;
|
|
__GLcolor *cp;
|
|
__GLcolorBuffer *cfb;
|
|
GLint w;
|
|
|
|
DBGENTRY("CI:StoreSpan\n");
|
|
|
|
w = gc->polygon.shader.length;
|
|
|
|
frag.y = gc->polygon.shader.frag.y;
|
|
x = gc->polygon.shader.frag.x;
|
|
x1 = gc->polygon.shader.frag.x + w;
|
|
cp = gc->polygon.shader.colors;
|
|
cfb = gc->polygon.shader.cfb;
|
|
|
|
for (i = x; i < x1; i++) {
|
|
frag.x = i;
|
|
frag.color.r = cp->r;
|
|
cp++;
|
|
|
|
(*cfb->store)(cfb, &frag);
|
|
}
|
|
|
|
return GL_FALSE;
|
|
}
|
|
|
|
|
|
static GLboolean FASTCALL SlowStoreStippledSpan(__GLcontext *gc)
|
|
{
|
|
int x;
|
|
__GLfragment frag;
|
|
__GLcolor *cp;
|
|
__GLcolorBuffer *cfb;
|
|
__GLstippleWord inMask, bit, *sp;
|
|
GLint count;
|
|
GLint w;
|
|
|
|
DBGENTRY("CI:StoreStippledSpan\n");
|
|
|
|
w = gc->polygon.shader.length;
|
|
sp = gc->polygon.shader.stipplePat;
|
|
|
|
frag.y = gc->polygon.shader.frag.y;
|
|
x = gc->polygon.shader.frag.x;
|
|
cp = gc->polygon.shader.colors;
|
|
cfb = gc->polygon.shader.cfb;
|
|
|
|
while (w) {
|
|
count = w;
|
|
if (count > __GL_STIPPLE_BITS) {
|
|
count = __GL_STIPPLE_BITS;
|
|
}
|
|
w -= count;
|
|
|
|
inMask = *sp++;
|
|
bit = (GLuint) __GL_STIPPLE_SHIFT(0);
|
|
while (--count >= 0) {
|
|
if (inMask & bit) {
|
|
frag.x = x;
|
|
frag.color.r = cp->r;
|
|
|
|
(*cfb->store)(cfb, &frag);
|
|
}
|
|
x++;
|
|
cp++;
|
|
#ifdef __GL_STIPPLE_MSB
|
|
bit >>= 1;
|
|
#else
|
|
bit <<= 1;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return GL_FALSE;
|
|
}
|
|
|
|
void
|
|
CIFetchNone(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
result->r = 0.0F;
|
|
}
|
|
|
|
void
|
|
CIReadSpanNone(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w)
|
|
{
|
|
GLint i;
|
|
__GLcolor *pResults;
|
|
|
|
for (i = 0, pResults = results; i < w; i++, pResults++)
|
|
{
|
|
pResults->r = 0.0F;
|
|
}
|
|
}
|
|
|
|
void
|
|
DIBIndex4CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj, pixel;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
puj = (GLubyte *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x >> 1));
|
|
|
|
pixel = *puj;
|
|
if (!(x & 1))
|
|
pixel >>= 4;
|
|
|
|
result->r = (__GLfloat) gengc->pajInvTranslateVector[pixel & 0xf];
|
|
}
|
|
|
|
void
|
|
DIBIndex8CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
puj = (GLubyte *)((ULONG_PTR)cfb->buf.base + (y*cfb->buf.outerWidth) + x);
|
|
|
|
result->r = (__GLfloat) gengc->pajInvTranslateVector[*puj];
|
|
}
|
|
|
|
void
|
|
DIBRGBCIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
puj = (GLubyte *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x * 3));
|
|
Copy3Bytes( &iColor, puj );
|
|
result->r = (float) ColorToIndex( gengc, iColor );
|
|
}
|
|
|
|
void
|
|
DIBBitfield16CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLushort *pus;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
pus = (GLushort *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x << 1));
|
|
iColor = (GLuint) *pus;
|
|
result->r = (float) ColorToIndex( gengc, iColor );
|
|
}
|
|
|
|
void
|
|
DIBBitfield32CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLuint *pul;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
pul = (GLuint *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x << 2));
|
|
iColor = *pul; // need to clamp to <= 24 bits ?
|
|
result->r = (float) ColorToIndex( gengc, iColor );
|
|
}
|
|
|
|
void
|
|
DisplayIndex4CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj, pixel;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
puj = gengc->ColorsBits;
|
|
pixel = *puj >> 4;
|
|
result->r = (__GLfloat) gengc->pajInvTranslateVector[pixel];
|
|
}
|
|
|
|
void
|
|
DisplayIndex8CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
puj = gengc->ColorsBits;
|
|
result->r = (__GLfloat) gengc->pajInvTranslateVector[*puj];
|
|
}
|
|
|
|
void
|
|
DisplayRGBCIFetch(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
puj = gengc->ColorsBits;
|
|
Copy3Bytes( &iColor, puj );
|
|
result->r = (float) ColorToIndex( gengc, iColor );
|
|
}
|
|
|
|
void
|
|
DisplayBitfield16CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLushort *pus;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
pus = gengc->ColorsBits;
|
|
iColor = (GLuint) *pus;
|
|
result->r = (float) ColorToIndex( gengc, iColor );
|
|
}
|
|
|
|
void
|
|
DisplayBitfield32CIFetch(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *result)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLuint *pul;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, 1, FALSE);
|
|
pul = gengc->ColorsBits;
|
|
iColor = *pul; // need to clamp to <= 24 bits ?
|
|
result->r = (float) ColorToIndex( gengc, iColor );
|
|
}
|
|
|
|
void
|
|
Index4CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w, GLboolean bDIB)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj, pixel;
|
|
__GLcolor *pResults;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
if (bDIB)
|
|
{
|
|
puj = (GLubyte *)((ULONG_PTR)cfb->buf.base + (y*cfb->buf.outerWidth) +
|
|
(x >> 1));
|
|
}
|
|
else
|
|
{
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, w, FALSE);
|
|
puj = gengc->ColorsBits;
|
|
x = 0;
|
|
}
|
|
pResults = results;
|
|
if (x & 1)
|
|
{
|
|
pixel = *puj++;
|
|
pResults->r = (__GLfloat) gengc->pajInvTranslateVector[pixel & 0xf];
|
|
pResults++;
|
|
w--;
|
|
}
|
|
while (w > 1)
|
|
{
|
|
pixel = *puj >> 4;
|
|
pResults->r = (__GLfloat) gengc->pajInvTranslateVector[pixel];
|
|
pResults++;
|
|
pixel = *puj++;
|
|
pResults->r = (__GLfloat) gengc->pajInvTranslateVector[pixel & 0xf];
|
|
pResults++;
|
|
w -= 2;
|
|
}
|
|
if (w > 0)
|
|
{
|
|
pixel = *puj >> 4;
|
|
pResults->r = (__GLfloat) gengc->pajInvTranslateVector[pixel];
|
|
}
|
|
}
|
|
|
|
void
|
|
DIBIndex4CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w)
|
|
{
|
|
Index4CIReadSpan(cfb, x, y, results, w, TRUE);
|
|
}
|
|
|
|
void
|
|
DisplayIndex4CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w)
|
|
{
|
|
Index4CIReadSpan(cfb, x, y, results, w, FALSE);
|
|
}
|
|
|
|
void
|
|
Index8CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w, GLboolean bDIB)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj;
|
|
GLint i;
|
|
__GLcolor *pResults;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
if (bDIB)
|
|
{
|
|
puj = (GLubyte *)((ULONG_PTR)cfb->buf.base + (y*cfb->buf.outerWidth) + x);
|
|
}
|
|
else
|
|
{
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, w, FALSE);
|
|
puj = gengc->ColorsBits;
|
|
}
|
|
for (i = 0, pResults = results; i < w; i++, pResults++)
|
|
{
|
|
pResults->r = (__GLfloat) gengc->pajInvTranslateVector[*puj++];
|
|
}
|
|
}
|
|
|
|
void
|
|
DIBIndex8CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w)
|
|
{
|
|
Index8CIReadSpan(cfb, x, y, results, w, TRUE);
|
|
}
|
|
|
|
void
|
|
DisplayIndex8CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w)
|
|
{
|
|
Index8CIReadSpan(cfb, x, y, results, w, FALSE);
|
|
}
|
|
|
|
void
|
|
RGBCIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w, GLboolean bDIB)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLubyte *puj;
|
|
GLint i;
|
|
__GLcolor *pResults;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
if (bDIB)
|
|
{
|
|
puj = (GLubyte *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x * 3));
|
|
}
|
|
else
|
|
{
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, w, FALSE);
|
|
puj = gengc->ColorsBits;
|
|
}
|
|
for (i = 0, pResults = results; i < w; i++, pResults++, puj += 3)
|
|
{
|
|
Copy3Bytes( &iColor, puj );
|
|
pResults->r = (float) ColorToIndex( gengc, iColor );
|
|
}
|
|
}
|
|
|
|
void
|
|
DIBRGBCIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w)
|
|
{
|
|
RGBCIReadSpan(cfb, x, y, results, w, TRUE);
|
|
}
|
|
|
|
void
|
|
DisplayRGBCIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y, __GLcolor *results,
|
|
GLint w)
|
|
{
|
|
RGBCIReadSpan(cfb, x, y, results, w, FALSE);
|
|
}
|
|
|
|
void
|
|
Bitfield16CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w, GLboolean bDIB)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLushort *pus;
|
|
GLint i;
|
|
__GLcolor *pResults;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
if (bDIB)
|
|
{
|
|
pus = (GLushort *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x << 1));
|
|
}
|
|
else
|
|
{
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, w, FALSE);
|
|
pus = gengc->ColorsBits;
|
|
}
|
|
for (i = 0, pResults = results; i < w; i++, pResults++)
|
|
{
|
|
iColor = *pus++;
|
|
pResults->r = (__GLfloat) ColorToIndex( gengc, iColor );
|
|
}
|
|
}
|
|
|
|
void
|
|
DIBBitfield16CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w)
|
|
{
|
|
Bitfield16CIReadSpan(cfb, x, y, results, w, TRUE);
|
|
}
|
|
|
|
void
|
|
DisplayBitfield16CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w)
|
|
{
|
|
Bitfield16CIReadSpan(cfb, x, y, results, w, FALSE);
|
|
}
|
|
|
|
void
|
|
Bitfield32CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w, GLboolean bDIB)
|
|
{
|
|
__GLcontext *gc = cfb->buf.gc;
|
|
__GLGENcontext *gengc;
|
|
GLuint *pul;
|
|
GLint i;
|
|
__GLcolor *pResults;
|
|
GLuint iColor;
|
|
|
|
gengc = (__GLGENcontext *)gc;
|
|
x = __GL_UNBIAS_X(gc, x) + cfb->buf.xOrigin;
|
|
y = __GL_UNBIAS_Y(gc, y) + cfb->buf.yOrigin;
|
|
|
|
if (bDIB)
|
|
{
|
|
pul = (GLuint *)((ULONG_PTR)cfb->buf.base +
|
|
(y*cfb->buf.outerWidth) + (x << 2));
|
|
}
|
|
else
|
|
{
|
|
(*gengc->pfnCopyPixels)(gengc, cfb, x, y, w, FALSE);
|
|
pul = gengc->ColorsBits;
|
|
}
|
|
for (i = 0, pResults = results; i < w; i++, pResults++)
|
|
{
|
|
iColor = *pul++;
|
|
pResults->r = (__GLfloat) ColorToIndex( gengc, iColor );
|
|
}
|
|
}
|
|
|
|
void
|
|
DIBBitfield32CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w)
|
|
{
|
|
Bitfield32CIReadSpan(cfb, x, y, results, w, TRUE);
|
|
}
|
|
|
|
void
|
|
DisplayBitfield32CIReadSpan(__GLcolorBuffer *cfb, GLint x, GLint y,
|
|
__GLcolor *results, GLint w)
|
|
{
|
|
Bitfield32CIReadSpan(cfb, x, y, results, w, FALSE);
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
static void Resize(__GLGENbuffers *buffers, __GLcolorBuffer *cfb,
|
|
GLint w, GLint h)
|
|
{
|
|
DBGENTRY("CI:Resize\n");
|
|
|
|
#ifdef __GL_LINT
|
|
dp = dp;
|
|
#endif
|
|
cfb->buf.width = w;
|
|
cfb->buf.height = h;
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
static void (FASTCALL *StoreProcs[4])(__GLcolorBuffer*, const __GLfragment*) = {
|
|
Store,
|
|
Store_D,
|
|
Store_L,
|
|
Store_DL,
|
|
};
|
|
|
|
void FASTCALL PickCI(__GLcontext *gc, __GLcolorBuffer *cfb)
|
|
{
|
|
GLuint enables = gc->state.enables.general;
|
|
GLint ix = 0;
|
|
__GLGENcontext *gengc;
|
|
PIXELFORMATDESCRIPTOR *pfmt;
|
|
GLboolean needFetch = GL_FALSE;
|
|
|
|
DBGENTRY("PickCI\n");
|
|
|
|
/* predetermine if fetch required for Store procs: we'll assume
|
|
always need to if logicOp or indexMask (i.e: assume if needFetch
|
|
not set, then no logicOp or indexMask used)
|
|
*/
|
|
|
|
if( gc->state.raster.writeMask == cfb->redMax ) {
|
|
cfb->buf.flags = cfb->buf.flags & ~INDEXMASK_ON;
|
|
cfb->sourceMask = cfb->redMax; // mf: these 2 may not be needed
|
|
cfb->destMask = ~cfb->sourceMask;
|
|
} else {
|
|
cfb->sourceMask = gc->state.raster.writeMask & cfb->redMax;
|
|
cfb->destMask = ~cfb->sourceMask & cfb->redMax;
|
|
cfb->buf.flags = cfb->buf.flags | INDEXMASK_ON;
|
|
needFetch = GL_TRUE;
|
|
}
|
|
|
|
if (enables & __GL_DITHER_ENABLE) {
|
|
ix |= 1;
|
|
}
|
|
if (enables & __GL_INDEX_LOGIC_OP_ENABLE) {
|
|
ix |= 2;
|
|
needFetch = GL_TRUE; // don't need to fetch for some logicOps, but
|
|
// we'll deal with that later
|
|
}
|
|
|
|
if( needFetch )
|
|
cfb->buf.flags = cfb->buf.flags | NEED_FETCH;
|
|
else
|
|
cfb->buf.flags = cfb->buf.flags & ~NEED_FETCH;
|
|
|
|
cfb->store = StoreProcs[ix];
|
|
|
|
// Figure out store and fetch routines
|
|
if (gc->state.raster.drawBuffer == GL_NONE)
|
|
{
|
|
cfb->store = Store_NOT;
|
|
cfb->fetch = CIFetchNone;
|
|
cfb->readColor = CIFetchNone;
|
|
cfb->readSpan = CIReadSpanNone;
|
|
cfb->storeSpan = StoreSpanNone;
|
|
cfb->storeStippledSpan = StoreSpanNone;
|
|
}
|
|
else
|
|
{
|
|
gengc = (__GLGENcontext *)gc;
|
|
pfmt = &gengc->gsurf.pfd;
|
|
if (cfb->buf.flags & DIB_FORMAT)
|
|
{
|
|
switch(pfmt->cColorBits) {
|
|
|
|
case 4:
|
|
cfb->fetch = DIBIndex4CIFetch;
|
|
cfb->readColor = DIBIndex4CIFetch;
|
|
cfb->readSpan = DIBIndex4CIReadSpan;
|
|
cfb->store = DIBIndex4CIStore;
|
|
cfb->clear = Index4Clear;
|
|
break;
|
|
|
|
case 8:
|
|
cfb->fetch = DIBIndex8CIFetch;
|
|
cfb->readColor = DIBIndex8CIFetch;
|
|
cfb->readSpan = DIBIndex8CIReadSpan;
|
|
cfb->store = DIBIndex8CIStore;
|
|
cfb->clear = Index8Clear;
|
|
break;
|
|
|
|
case 16:
|
|
cfb->fetch = DIBBitfield16CIFetch;
|
|
cfb->readColor = DIBBitfield16CIFetch;
|
|
cfb->readSpan = DIBBitfield16CIReadSpan;
|
|
cfb->store = DIBBitfield16CIStore;
|
|
cfb->clear = Bitfield16Clear;
|
|
break;
|
|
|
|
case 24:
|
|
cfb->readSpan = DIBRGBCIReadSpan;
|
|
cfb->readColor = DIBRGBCIFetch;
|
|
cfb->fetch = DIBRGBCIFetch;
|
|
cfb->store = DIBRGBCIStore;
|
|
cfb->clear = RGBClear;
|
|
break;
|
|
|
|
case 32:
|
|
cfb->fetch = DIBBitfield32CIFetch;
|
|
cfb->readColor = DIBBitfield32CIFetch;
|
|
cfb->readSpan = DIBBitfield32CIReadSpan;
|
|
cfb->store = DIBBitfield32CIStore;
|
|
cfb->clear = Bitfield32Clear;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch(pfmt->cColorBits) {
|
|
|
|
case 4:
|
|
cfb->fetch = DisplayIndex4CIFetch;
|
|
cfb->readColor = DisplayIndex4CIFetch;
|
|
cfb->readSpan = DisplayIndex4CIReadSpan;
|
|
cfb->store = DisplayIndex4CIStore;
|
|
cfb->clear = Index4Clear;
|
|
break;
|
|
|
|
case 8:
|
|
cfb->fetch = DisplayIndex8CIFetch;
|
|
cfb->readColor = DisplayIndex8CIFetch;
|
|
cfb->readSpan = DisplayIndex8CIReadSpan;
|
|
cfb->store = DisplayIndex8CIStore;
|
|
cfb->clear = Index8Clear;
|
|
break;
|
|
|
|
case 16:
|
|
cfb->fetch = DisplayBitfield16CIFetch;
|
|
cfb->readColor = DisplayBitfield16CIFetch;
|
|
cfb->readSpan = DisplayBitfield16CIReadSpan;
|
|
cfb->store = DisplayBitfield16CIStore;
|
|
cfb->clear = Bitfield16Clear;
|
|
break;
|
|
|
|
case 24:
|
|
cfb->readSpan = DisplayRGBCIReadSpan;
|
|
cfb->fetch = DisplayRGBCIFetch;
|
|
cfb->readColor = DisplayRGBCIFetch;
|
|
cfb->store = DisplayRGBCIStore;
|
|
cfb->clear = RGBClear;
|
|
break;
|
|
|
|
case 32:
|
|
cfb->fetch = DisplayBitfield32CIFetch;
|
|
cfb->readColor = DisplayBitfield32CIFetch;
|
|
cfb->readSpan = DisplayBitfield32CIReadSpan;
|
|
cfb->store = DisplayBitfield32CIStore;
|
|
cfb->clear = Bitfield32Clear;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void FASTCALL __glGenInitCI(__GLcontext *gc, __GLcolorBuffer *cfb, GLenum type)
|
|
{
|
|
__GLGENcontext *gengc = (__GLGENcontext *)gc;
|
|
PIXELFORMATDESCRIPTOR *pfmt;
|
|
|
|
DBGENTRY("__glGenInitCI\n");
|
|
|
|
__glInitGenericCB(gc, cfb);
|
|
|
|
cfb->pick = PickCI;
|
|
gc->redVertexScale = cfb->redScale = (__GLfloat)1.0;
|
|
gc->greenVertexScale = cfb->greenScale = (__GLfloat)1.0;
|
|
gc->blueVertexScale = cfb->blueScale = (__GLfloat)1.0;
|
|
gc->alphaVertexScale = cfb->alphaScale = (__GLfloat)1.0;
|
|
|
|
cfb->buf.elementSize = sizeof(GLubyte);
|
|
cfb->resize = Resize;
|
|
cfb->fetchSpan = __glFetchSpan;
|
|
cfb->fetchStippledSpan = __glFetchSpan;
|
|
cfb->storeSpan = SlowStoreSpan;
|
|
cfb->storeStippledSpan = SlowStoreStippledSpan;
|
|
|
|
pfmt = &gengc->gsurf.pfd;
|
|
|
|
/* XXX! redMax is used for index lighting in soft, and for setting
|
|
raster.writeMask
|
|
*/
|
|
cfb->redMax = (1 << gc->modes.indexBits) - 1;
|
|
cfb->redShift = pfmt->cRedShift;
|
|
cfb->greenShift = pfmt->cGreenShift;
|
|
cfb->blueShift = pfmt->cBlueShift;
|
|
cfb->allShifts =
|
|
(cfb->redShift << 0) |
|
|
(cfb->greenShift << 8) |
|
|
(cfb->blueShift << 16) |
|
|
(cfb->alphaShift << 24);
|
|
|
|
glGenInitCommon(gengc, cfb, type);
|
|
|
|
}
|
|
|
|
void FASTCALL __glGenFreeCI(__GLcontext *gc, __GLcolorBuffer *cfb)
|
|
{
|
|
|
|
DBGENTRY("__glGenFreeCI\n");
|
|
|
|
#ifdef __GL_LINT
|
|
gc = gc;
|
|
cfb = cfb;
|
|
#endif
|
|
}
|