Mercurial > sdl-ios-xcode
diff src/video/SDL_rendercopy.c @ 1989:5b5f5de5433f
Optimized the copy blitters a little bit
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 28 Aug 2006 14:10:46 +0000 |
| parents | 8055185ae4ed |
| children | 7387e0514595 |
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--- a/src/video/SDL_rendercopy.c Mon Aug 28 04:39:37 2006 +0000 +++ b/src/video/SDL_rendercopy.c Mon Aug 28 14:10:46 2006 +0000 @@ -215,11 +215,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -287,11 +296,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -341,6 +359,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; ++src; @@ -395,6 +416,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; posx += incx; @@ -437,11 +461,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -521,11 +554,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -641,11 +683,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -713,11 +764,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -767,6 +827,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; ++src; @@ -821,6 +884,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; posx += incx; @@ -863,11 +929,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -947,11 +1022,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1067,11 +1151,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1139,11 +1232,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1193,6 +1295,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; ++src; @@ -1247,6 +1352,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; posx += incx; @@ -1289,11 +1397,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1373,11 +1490,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1464,11 +1590,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1536,11 +1671,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1590,6 +1734,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; ++src; @@ -1644,6 +1791,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; posx += incx; @@ -1686,11 +1836,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1770,11 +1929,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1890,11 +2058,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -1962,11 +2139,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2016,6 +2202,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; ++src; @@ -2070,6 +2259,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; posx += incx; @@ -2112,11 +2304,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2196,11 +2397,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2316,11 +2526,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2388,11 +2607,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2442,6 +2670,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; ++src; @@ -2496,6 +2727,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; posx += incx; @@ -2538,11 +2772,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2622,11 +2865,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2742,11 +2994,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2814,11 +3075,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -2868,6 +3138,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; ++src; @@ -2922,6 +3195,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; posx += incx; @@ -2964,11 +3240,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3048,11 +3333,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3168,11 +3462,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3240,11 +3543,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3294,6 +3606,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; ++src; @@ -3348,6 +3663,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; posx += incx; @@ -3390,11 +3708,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3474,11 +3801,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3594,11 +3930,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3666,11 +4011,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3720,6 +4074,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; ++src; @@ -3774,6 +4131,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; posx += incx; @@ -3816,11 +4176,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -3900,11 +4269,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4020,11 +4398,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4092,11 +4479,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4146,6 +4542,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; ++src; @@ -4200,6 +4599,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; posx += incx; @@ -4242,11 +4644,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4326,11 +4737,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4446,11 +4866,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4518,11 +4947,20 @@ dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4572,6 +5010,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; ++src; @@ -4626,6 +5067,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B; *dst = pixel; posx += incx; @@ -4668,11 +5112,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4752,11 +5205,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4872,11 +5334,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4944,11 +5415,20 @@ dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF; if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -4998,6 +5478,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; ++src; @@ -5052,6 +5535,9 @@ G = (G * modulateG) / 255; B = (B * modulateB) / 255; } + if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) { + A = (A * modulateA) / 255; + } pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R; *dst = pixel; posx += incx; @@ -5094,11 +5580,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255; @@ -5178,11 +5673,20 @@ } if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) { /* This goes away if we ever use premultiplied alpha */ - srcR = (srcR * srcA) / 255; - srcG = (srcG * srcA) / 255; - srcB = (srcB * srcA) / 255; - } - switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + if (srcA < 255) { + srcR = (srcR * srcA) / 255; + srcG = (srcG * srcA) / 255; + srcB = (srcB * srcA) / 255; + } + } + switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) { + case SDL_RENDERCOPY_MASK: + if (srcA) { + dstR = srcR; + dstG = srcG; + dstB = srcB; + } + break; case SDL_RENDERCOPY_BLEND: dstR = srcR + ((255 - srcA) * dstR) / 255; dstG = srcG + ((255 - srcA) * dstG) / 255;