ShuriZma
/
desmume
mirror of https://github.com/TASEmulators/desmume.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Optimized the 3D pixel blitting funcs a bit.

This commit is contained in:
luigi__ 2009-01-20 22:32:33 +00:00
parent e3ce9a41f4
commit 8c9d99b608
1 changed files with 8 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
desmume/src/GPU.cpp
View File

@ -1223,7 +1223,7 @@ static BOOL setFinalOBJColorSpecialDecreaseWnd(GPU *gpu, u32 passing, u8 *dst, u
static BOOL setFinal3DColorSpecialNone(GPU *gpu, u32 passing, u8 *dst, u16 color, u8 alpha, u16 x)
{
/* We must blend if the 3D layer has the highest prio */
if((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio)
if((alpha < 16) && ((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
u16 final = color;
@ -1231,12 +1231,6 @@ static BOOL setFinal3DColorSpecialNone(GPU *gpu, u32 passing, u8 *dst, u16 color
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;
@ -1267,7 +1261,7 @@ static BOOL setFinal3DColorSpecialBlend(GPU *gpu, u32 passing, u8 *dst, u16 colo
{
/* We can blend if the 3D layer is selected as 1st target, */
/* but also if the 3D layer has the highest prio. */
if((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio)
if((alpha < 16) && ((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
u16 final = color;
@ -1275,12 +1269,6 @@ static BOOL setFinal3DColorSpecialBlend(GPU *gpu, u32 passing, u8 *dst, u16 colo
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;
@ -1314,19 +1302,13 @@ static BOOL setFinal3DColorSpecialIncrease(GPU *gpu, u32 passing, u8 *dst, u16 c
/* We must blend if the 3D layer has the highest prio */
/* But it doesn't seem to have priority over fading, */
/* unlike semi-transparent sprites */
if((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio)
if((alpha < 16) && ((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;
@ -1368,19 +1350,13 @@ static BOOL setFinal3DColorSpecialDecrease(GPU *gpu, u32 passing, u8 *dst, u16 c
/* We must blend if the 3D layer has the highest prio */
/* But it doesn't seem to have priority over fading, */
/* unlike semi-transparent sprites */
if((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio)
if((alpha < 16) && ((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;
@ -1424,7 +1400,7 @@ static BOOL setFinal3DColorSpecialNoneWnd(GPU *gpu, u32 passing, u8 *dst, u16 co
if(windowDraw)
{
/* We must blend if the 3D layer has the highest prio */
if((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio)
if((alpha < 16) && ((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
u16 final = color;
@ -1432,12 +1408,6 @@ static BOOL setFinal3DColorSpecialNoneWnd(GPU *gpu, u32 passing, u8 *dst, u16 co
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;
@ -1475,7 +1445,7 @@ static BOOL setFinal3DColorSpecialBlendWnd(GPU *gpu, u32 passing, u8 *dst, u16 c
{
/* We can blend if the 3D layer is selected as 1st target, */
/* but also if the 3D layer has the highest prio. */
if(((gpu->BLDCNT & 0x1) && windowEffect) || gpu->bg0HasHighestPrio)
if((alpha < 16) && (((gpu->BLDCNT & 0x1) && windowEffect) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
u16 final = color;
@ -1483,12 +1453,6 @@ static BOOL setFinal3DColorSpecialBlendWnd(GPU *gpu, u32 passing, u8 *dst, u16 c
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;
@ -1528,19 +1492,13 @@ static BOOL setFinal3DColorSpecialIncreaseWnd(GPU *gpu, u32 passing, u8 *dst, u1
/* We must blend if the 3D layer has the highest prio */
/* But it doesn't seem to have priority over fading, */
/* unlike semi-transparent sprites */
if((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio)
if((alpha < 16) && ((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;
@ -1588,19 +1546,13 @@ static BOOL setFinal3DColorSpecialDecreaseWnd(GPU *gpu, u32 passing, u8 *dst, u1
/* We must blend if the 3D layer has the highest prio */
/* But it doesn't seem to have priority over fading, */
/* unlike semi-transparent sprites */
if((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio)
if((alpha < 16) && ((gpu->BLDCNT & 0x1) || gpu->bg0HasHighestPrio))
{
int bg_under = gpu->bgPixels[x];
/* If the layer we are drawing on is selected as 2nd source, we can blend */
if(gpu->BLDCNT & (0x100 << bg_under))
{
/* Test for easy cases like alpha = min or max */
if(alpha == 16)
{
final = color;
}
else
{
COLOR c1, c2, cfinal;