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gl_draw.c: fixed several strict aliasing violations about glpic_t.

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git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@56 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
sezero 2010-02-18 22:11:26 +00:00
parent 80346daacf
commit 3766cbbb92
1 changed files with 36 additions and 33 deletions
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69
Quake/gl_draw.c
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@ -215,12 +215,11 @@ Draw_PicFromWad
qpic_t *Draw_PicFromWad (char *name)
{
qpic_t *p;
glpic_t *gl;
glpic_t gl;
src_offset_t offset; //johnfitz
p = W_GetLumpName (name);
if (!p) return pic_nul; //johnfitz
gl = (glpic_t *)p->data;
// load little ones into the scrap
if (p->width < 64 && p->height < 64)
@ -233,14 +232,16 @@ qpic_t *Draw_PicFromWad (char *name)
scrap_dirty = true;
k = 0;
for (i=0 ; i<p->height ; i++)
{
for (j=0 ; j<p->width ; j++, k++)
scrap_texels[texnum][(y+i)*BLOCK_WIDTH + x + j] = p->data[k];
gl->gltexture = scrap_textures[texnum]; //johnfitz -- changed to an array
}
gl.gltexture = scrap_textures[texnum]; //johnfitz -- changed to an array
//johnfitz -- no longer go from 0.01 to 0.99
gl->sl = x/(float)BLOCK_WIDTH;
gl->sh = (x+p->width)/(float)BLOCK_WIDTH;
gl->tl = y/(float)BLOCK_WIDTH;
gl->th = (y+p->height)/(float)BLOCK_WIDTH;
gl.sl = x/(float)BLOCK_WIDTH;
gl.sh = (x+p->width)/(float)BLOCK_WIDTH;
gl.tl = y/(float)BLOCK_WIDTH;
gl.th = (y+p->height)/(float)BLOCK_WIDTH;
}
else
{
@ -249,14 +250,16 @@ qpic_t *Draw_PicFromWad (char *name)
offset = (src_offset_t)p - (src_offset_t)wad_base + sizeof(int)*2; //johnfitz
gl->gltexture = TexMgr_LoadImage (NULL, texturename, p->width, p->height, SRC_INDEXED, p->data, WADFILENAME,
gl.gltexture = TexMgr_LoadImage (NULL, texturename, p->width, p->height, SRC_INDEXED, p->data, WADFILENAME,
offset, TEXPREF_ALPHA | TEXPREF_PAD | TEXPREF_NOPICMIP); //johnfitz -- TexMgr
gl->sl = 0;
gl->sh = (float)p->width/(float)TexMgr_PadConditional(p->width); //johnfitz
gl->tl = 0;
gl->th = (float)p->height/(float)TexMgr_PadConditional(p->height); //johnfitz
gl.sl = 0;
gl.sh = (float)p->width/(float)TexMgr_PadConditional(p->width); //johnfitz
gl.tl = 0;
gl.th = (float)p->height/(float)TexMgr_PadConditional(p->height); //johnfitz
}
memcpy (p->data, &gl, sizeof(glpic_t));
return p;
}
@ -270,7 +273,7 @@ qpic_t *Draw_CachePic (char *path)
cachepic_t *pic;
int i;
qpic_t *dat;
glpic_t *gl;
glpic_t gl;
for (pic=menu_cachepics, i=0 ; i<menu_numcachepics ; pic++, i++)
{
@ -299,13 +302,13 @@ qpic_t *Draw_CachePic (char *path)
pic->pic.width = dat->width;
pic->pic.height = dat->height;
gl = (glpic_t *)pic->pic.data;
gl->gltexture = TexMgr_LoadImage (NULL, path, dat->width, dat->height, SRC_INDEXED, dat->data, path,
gl.gltexture = TexMgr_LoadImage (NULL, path, dat->width, dat->height, SRC_INDEXED, dat->data, path,
sizeof(int)*2, TEXPREF_ALPHA | TEXPREF_PAD | TEXPREF_NOPICMIP); //johnfitz -- TexMgr
gl->sl = 0;
gl->sh = (float)dat->width/(float)TexMgr_PadConditional(dat->width); //johnfitz
gl->tl = 0;
gl->th = (float)dat->height/(float)TexMgr_PadConditional(dat->height); //johnfitz
gl.sl = 0;
gl.sh = (float)dat->width/(float)TexMgr_PadConditional(dat->width); //johnfitz
gl.tl = 0;
gl.th = (float)dat->height/(float)TexMgr_PadConditional(dat->height); //johnfitz
memcpy (pic->pic.data, &gl, sizeof(glpic_t));
return &pic->pic;
}
@ -325,7 +328,7 @@ qpic_t *Draw_ConbackPic (void)
cachepic_t *pic;
int i;
qpic_t *dat;
glpic_t *gl;
glpic_t gl;
for (pic=menu_cachepics, i=0 ; i<menu_numcachepics ; pic++, i++)
{
@ -341,14 +344,14 @@ qpic_t *Draw_ConbackPic (void)
SwapPic (dat);
pic->pic.width = dat->width;
pic->pic.height = dat->height;
gl = (glpic_t *)pic->pic.data;
gl->gltexture = TexMgr_LoadImage (NULL, "gfx/conback.lmp", dat->width, dat->height, SRC_INDEXED, dat->data,
gl.gltexture = TexMgr_LoadImage (NULL, "gfx/conback.lmp", dat->width, dat->height, SRC_INDEXED, dat->data,
"", (src_offset_t)dat->data,
TEXPREF_ALPHA | TEXPREF_PAD | TEXPREF_NOPICMIP); //johnfitz -- TexMgr
gl->sl = 0;
gl->sh = (float)dat->width/(float)TexMgr_PadConditional(dat->width); //johnfitz
gl->tl = 0;
gl->th = (float)dat->height/(float)TexMgr_PadConditional(dat->height); //johnfitz
gl.sl = 0;
gl.sh = (float)dat->width/(float)TexMgr_PadConditional(dat->width); //johnfitz
gl.tl = 0;
gl.th = (float)dat->height/(float)TexMgr_PadConditional(dat->height); //johnfitz
memcpy (pic->pic.data, &gl, sizeof(glpic_t));
return &pic->pic;
} /* -- QuakeSpasm */
@ -363,18 +366,18 @@ qpic_t *Draw_MakePic (char *name, int width, int height, byte *data)
{
int flags = TEXPREF_NEAREST | TEXPREF_ALPHA | TEXPREF_PERSIST | TEXPREF_NOPICMIP | TEXPREF_PAD;
qpic_t *pic;
glpic_t *gl;
glpic_t gl;
pic = Hunk_Alloc (sizeof(qpic_t) - 4 + sizeof (glpic_t));
pic->width = width;
pic->height = height;
gl = (glpic_t *)pic->data;
gl->gltexture = TexMgr_LoadImage (NULL, name, width, height, SRC_INDEXED, data, "", (src_offset_t)data, flags);
gl->sl = 0;
gl->sh = (float)width/(float)TexMgr_PadConditional(width);
gl->tl = 0;
gl->th = (float)height/(float)TexMgr_PadConditional(height);
gl.gltexture = TexMgr_LoadImage (NULL, name, width, height, SRC_INDEXED, data, "", (src_offset_t)data, flags);
gl.sl = 0;
gl.sh = (float)width/(float)TexMgr_PadConditional(width);
gl.tl = 0;
gl.th = (float)height/(float)TexMgr_PadConditional(height);
memcpy (pic->data, &gl, sizeof(glpic_t));
return pic;
}