115 lines
2.2 KiB
C
115 lines
2.2 KiB
C
#include "quakedef.h"
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#ifdef SWQUAKE
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#include "sw.h"
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void SW_NukeAlpha(swimage_t *img)
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{
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int x, y;
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unsigned int *d = img->data;
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for (y = 0; y < img->pheight; y++)
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{
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for (x = 0; x < img->pwidth; x++)
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{
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d[x] |= 0xff000000;
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}
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d += img->pitch;
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}
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}
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void SW_DestroyTexture(texid_t tex)
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{
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swimage_t *img = tex->ptr;
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tex->ptr = NULL;
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/*make sure its not in use by the renderer*/
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SWRast_Sync(&commandqueue);
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/*okay, it can be killed*/
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BZ_Free(img);
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}
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void SW_UpdateFiltering (image_t *imagelist, int filtermip[3], int filterpic[3], int mipcap[2], float lodbias, float anis)
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{
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//always nearest...
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}
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qboolean SW_LoadTextureMips (texid_t tex, const struct pendingtextureinfo *mips)
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{
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swimage_t *img;
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int i;
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int nw = mips->mip[0].width;
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int nh = mips->mip[0].height;
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qbyte *indata = mips->mip[0].data;
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qbyte *imgdata;
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if (mips->type != PTI_2D)
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return false;
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//only accept formats that actually make sense here.
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switch(mips->encoding)
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{
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case PTI_RGBA8:
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case PTI_RGBX8:
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case PTI_BGRA8:
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case PTI_BGRX8:
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break;
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default:
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return false;
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}
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img = BZ_Malloc(sizeof(*img) - sizeof(img->data) + (nw * nh * 4));
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imgdata = (qbyte*)(img+1) - sizeof(img->data);
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tex->ptr = img;
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img->pwidth = nw;
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img->pheight = nh;
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img->pitch = nw;
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//precalculated
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img->pwidthmask = nw-1;
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img->pheightmask = nh-1;
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if (mips->encoding == PTI_RGBA8 || mips->encoding == PTI_RGBX8)
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{ //assuming PC hardware is bgr
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if (mips->encoding == PTI_RGBX8)
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{
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for (i = 0; i < nw*nh*4; i+=4)
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{
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imgdata[i+0] = indata[i+2];
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imgdata[i+1] = indata[i+1];
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imgdata[i+2] = indata[i+0];
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imgdata[i+3] = 255;
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}
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}
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else
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{
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for (i = 0; i < nw*nh*4; i+=4)
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{
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imgdata[i+0] = indata[i+2];
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imgdata[i+1] = indata[i+1];
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imgdata[i+2] = indata[i+0];
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imgdata[i+3] = indata[i+3];
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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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memcpy(imgdata, indata, (nw * nh * 4));
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if (mips->encoding == PTI_BGRX8)
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for (i = 0; i < nw*nh*4; i+=4)
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imgdata[i+3] = 255;
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}
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// for (i = 0; i < mips->mipcount; i++)
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// if (mips->mip[i].needfree)
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// Z_Free(mips->mip[i].data);
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// if (mips->extrafree)
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// Z_Free(mips->extrafree);
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return true;
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}
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#endif
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