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[CHG] Code optimization, thanks to BlueChip

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Crayon2000 2009-07-23 15:48:44 +00:00
parent 839240c498
commit c1ac0d5048
1 changed files with 13 additions and 22 deletions
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23
GRRLIB/GRRLIB/GRRLIB.c
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@ -503,7 +503,6 @@ void GRRLIB_FreeTexture(struct GRRLIB_texImg *tex) {
* @return A GRRLIB_texImg structure newly created. * @return A GRRLIB_texImg structure newly created.
*/ */
GRRLIB_texImg *GRRLIB_CreateEmptyTexture(unsigned int w, unsigned int h) { GRRLIB_texImg *GRRLIB_CreateEmptyTexture(unsigned int w, unsigned int h) {
unsigned int x, y;
GRRLIB_texImg *my_texture = (struct GRRLIB_texImg *)calloc(1, sizeof(GRRLIB_texImg)); GRRLIB_texImg *my_texture = (struct GRRLIB_texImg *)calloc(1, sizeof(GRRLIB_texImg));
if(my_texture != NULL) { if(my_texture != NULL) {
@ -512,11 +511,8 @@ GRRLIB_texImg *GRRLIB_CreateEmptyTexture(unsigned int w, unsigned int h) {
my_texture->h = h; my_texture->h = h;
// Initialize the texture // Initialize the texture
for (y = 0; y < h; y++) { memset(my_texture->data, '\0', (h * w) << 2);
for (x = 0; x < w; x++) {
GRRLIB_SetPixelTotexImg(x, y, my_texture, 0x00000000);
}
}
GRRLIB_SetHandle(my_texture, 0, 0); GRRLIB_SetHandle(my_texture, 0, 0);
GRRLIB_FlushTex(my_texture); GRRLIB_FlushTex(my_texture);
} }
@ -936,17 +932,11 @@ void GRRLIB_SetMidHandle(struct GRRLIB_texImg *tex, bool enabled) {
*/ */
u32 GRRLIB_GetPixelFromtexImg(int x, int y, struct GRRLIB_texImg *tex) { u32 GRRLIB_GetPixelFromtexImg(int x, int y, struct GRRLIB_texImg *tex) {
u8 *truc = (u8*)tex->data; u8 *truc = (u8*)tex->data;
u8 r, g, b, a;
u32 offset; u32 offset;
offset = (((y >> 2)<<4)*tex->w) + ((x >> 2)<<6) + (((y%4 << 2) + x%4 ) << 1); // Fuckin equation found by NoNameNo ;) offset = (((y >> 2)<<4)*tex->w) + ((x >> 2)<<6) + ((((y&3) << 2) + (x&3) ) << 1); // Fuckin equation found by NoNameNo ;)
a=*(truc+offset); return ((*(truc+offset+1)<<24) | (*(truc+offset+32)<<16) | (*(truc+offset+33)<<8) | *(truc+offset));
r=*(truc+offset+1);
g=*(truc+offset+32);
b=*(truc+offset+33);
return ((r<<24) | (g<<16) | (b<<8) | a);
} }
/** /**
@ -961,7 +951,7 @@ void GRRLIB_SetPixelTotexImg(int x, int y, GRRLIB_texImg *tex, u32 color) {
u8 *truc = (u8*)tex->data; u8 *truc = (u8*)tex->data;
u32 offset; u32 offset;
offset = (((y >> 2)<<4)*tex->w) + ((x >> 2)<<6) + (((y%4 << 2) + x%4 ) <<1); // Fuckin equation found by NoNameNo ;) offset = (((y >> 2)<<4)*tex->w) + ((x >> 2)<<6) + ((((y&3) << 2) + (x&3) ) << 1); // Fuckin equation found by NoNameNo ;)
*(truc+offset) = color & 0xFF; *(truc+offset) = color & 0xFF;
*(truc+offset+1) = (color>>24) & 0xFF; *(truc+offset+1) = (color>>24) & 0xFF;
@ -1214,8 +1204,9 @@ void GRRLIB_Init() {
VIDEO_SetBlack(true); VIDEO_SetBlack(true);
VIDEO_Flush(); VIDEO_Flush();
VIDEO_WaitVSync(); VIDEO_WaitVSync();
if (rmode->viTVMode&VI_NON_INTERLACE) if (rmode->viTVMode & VI_NON_INTERLACE) {
VIDEO_WaitVSync(); VIDEO_WaitVSync();
}
gp_fifo = (u8 *) memalign(32, DEFAULT_FIFO_SIZE); gp_fifo = (u8 *) memalign(32, DEFAULT_FIFO_SIZE);
if (gp_fifo == NULL) if (gp_fifo == NULL)