thirdparty/scummvm
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GRAPHICS: Replace OverlayColor with uint16 in scaler code.

Browse source 
Scalers are actually fixed at 2Bpp right now and not at the
depth of OverlayColor.
This commit is contained in:
Johannes Schickel 2012-06-12 04:13:00 +02:00
parent ef8239df48
commit 0075fa2f98
2 changed files with 9 additions and 10 deletions
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9
graphics/scaler.cpp
View file

@ -167,12 +167,12 @@ void DestroyScalers(){
void Normal1x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch,
int width, int height) {
// Spot the case when it can all be done in 1 hit
if ((srcPitch == sizeof(OverlayColor) * (uint)width) && (dstPitch == sizeof(OverlayColor) * (uint)width)) {
memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width * height);
if ((srcPitch == sizeof(uint16) * (uint)width) && (dstPitch == sizeof(uint16) * (uint)width)) {
memcpy(dstPtr, srcPtr, sizeof(uint16) * width * height);
return;
}
while (height--) {
memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
srcPtr += srcPitch;
dstPtr += dstPitch;
}
@ -207,11 +207,10 @@ void Normal2x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPit
uint8 *r;
assert(IS_ALIGNED(dstPtr, 4));
assert(sizeof(OverlayColor) == 2);
while (height--) {
r = dstPtr;
for (int i = 0; i < width; ++i, r += 4) {
uint32 color = *(((const OverlayColor *)srcPtr) + i);
uint32 color = *(((const uint16 *)srcPtr) + i);
color |= color << 16;

10
graphics/scaler/aspect.cpp
View file

@ -160,14 +160,14 @@ int stretch200To240(uint8 *buf, uint32 pitch, int width, int height, int srcX, i
#if ASPECT_MODE == kSuperFastAndUglyAspectMode
if (srcPtr == dstPtr)
break;
memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
#else
// Bilinear filter
switch (y % 6) {
case 0:
case 5:
if (srcPtr != dstPtr)
memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
break;
case 1:
interpolate5Line<ColorMask, 1>((uint16 *)dstPtr, (const uint16 *)(srcPtr - pitch), (const uint16 *)srcPtr, width);
@ -206,13 +206,13 @@ void Normal1xAspectTemplate(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr,
#if ASPECT_MODE == kSuperFastAndUglyAspectMode
if ((y % 6) == 5)
srcPtr -= srcPitch;
memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
#else
// Bilinear filter five input lines onto six output lines
switch (y % 6) {
case 0:
// First output line is copied from first input line
memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
break;
case 1:
// Second output line is mixed from first and second input line
@ -233,7 +233,7 @@ void Normal1xAspectTemplate(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr,
case 5:
// Sixth (and last) output line is copied from fifth (and last) input line
srcPtr -= srcPitch;
memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
break;
}
#endif