96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
// d_modech.c: called when mode has just changed
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#include "quakedef.h"
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#include "d_local.h"
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int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle;
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int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift;
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int d_scantable[MAXHEIGHT];
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short *zspantable[MAXHEIGHT];
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/*
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================
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D_Patch
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================
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*/
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void D_Patch (void)
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{
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#if id386
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static qboolean protectset8 = false;
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if (!protectset8)
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{
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Sys_MakeCodeWriteable ((int)D_PolysetAff8Start,
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(int)D_PolysetAff8End - (int)D_PolysetAff8Start);
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Sys_MakeCodeWriteable ((int)D_PolysetAff8StartT,
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(int)D_PolysetAff8EndT - (int)D_PolysetAff8StartT);
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Sys_MakeCodeWriteable ((int)D_PolysetAff8StartT2,
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(int)D_PolysetAff8EndT2 - (int)D_PolysetAff8StartT2);
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Sys_MakeCodeWriteable ((int)D_PolysetAff8StartT3,
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(int)D_PolysetAff8EndT3 - (int)D_PolysetAff8StartT3);
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Sys_MakeCodeWriteable ((int)D_PolysetAff8StartT5,
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(int)D_PolysetAff8EndT5 - (int)D_PolysetAff8StartT5);
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protectset8 = true;
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}
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#endif // id386
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}
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/*
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================
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D_ViewChanged
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================
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*/
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void D_ViewChanged (void)
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{
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int rowbytes;
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if (r_dowarp)
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rowbytes = WARP_WIDTH;
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else
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rowbytes = vid.rowbytes;
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scale_for_mip = xscale;
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if (yscale > xscale)
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scale_for_mip = yscale;
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d_zrowbytes = vid.width * 2;
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d_zwidth = vid.width;
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d_pix_min = r_refdef.vrect.width / 320;
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if (d_pix_min < 1)
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d_pix_min = 1;
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d_pix_max = (int)((float)r_refdef.vrect.width / (320.0 / 4.0) + 0.5);
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d_pix_shift = 8 - (int)((float)r_refdef.vrect.width / 320.0 + 0.5);
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if (d_pix_max < 1)
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d_pix_max = 1;
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if (pixelAspect > 1.4)
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d_y_aspect_shift = 1;
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else
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d_y_aspect_shift = 0;
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d_vrectx = r_refdef.vrect.x;
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d_vrecty = r_refdef.vrect.y;
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d_vrectright_particle = r_refdef.vrectright - d_pix_max;
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d_vrectbottom_particle =
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r_refdef.vrectbottom - (d_pix_max << d_y_aspect_shift);
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{
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int i;
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for (i=0 ; i<vid.height; i++)
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{
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d_scantable[i] = i*rowbytes;
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zspantable[i] = d_pzbuffer + i*d_zwidth;
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}
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}
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D_Patch ();
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}
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