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One final optimization in FrameBufferGP2X. The only calls to SDL_FillRect 

are now in hLine() and vLine(), and it's probably optimal to leave them
there.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1184 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
stephena 2006-12-05 23:49:43 +00:00
parent 3c93be914a
commit 0a970a97d5
1 changed files with 14 additions and 26 deletions
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40
stella/src/gp2x/FrameBufferGP2X.cxx
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@ -13,7 +13,7 @@
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: FrameBufferGP2X.cxx,v 1.8 2006-12-05 21:55:15 stephena Exp $
// $Id: FrameBufferGP2X.cxx,v 1.9 2006-12-05 23:49:43 stephena Exp $
//============================================================================
#include <SDL.h>
@ -255,22 +255,16 @@ void FrameBufferGP2X::drawChar(const GUI::Font* FONT, uInt8 chr,
chr -= desc.firstchar;
const uInt16* tmp = desc.bits + (desc.offset ? desc.offset[chr] : (chr * h));
SDL_Rect rect;
for(int y = 0; y < h; y++)
uInt16* buffer = (uInt16*) myScreen->pixels + yorig * myScreen->w + xorig;
for(int y = 0; y < h; ++y)
{
const uInt16 buffer = *tmp++;
const uInt16 ptr = *tmp++;
uInt16 mask = 0x8000;
for(int x = 0; x < w; ++x, mask >>= 1)
if(ptr & mask)
buffer[x] = (uInt16) myDefPalette[color];
for(int x = 0; x < w; x++, mask >>= 1)
{
if ((buffer & mask) != 0)
{
rect.x = x + xorig;
rect.y = y + yorig;
rect.w = rect.h = 1;
SDL_FillRect(myScreen, &rect, myDefPalette[color]);
}
}
buffer += myScreen->w;
}
}
@ -278,21 +272,15 @@ void FrameBufferGP2X::drawChar(const GUI::Font* FONT, uInt8 chr,
void FrameBufferGP2X::drawBitmap(uInt32* bitmap, Int32 xorig, Int32 yorig,
int color, Int32 h)
{
SDL_Rect rect;
for(int y = 0; y < h; y++)
uInt16* buffer = (uInt16*) myScreen->pixels + yorig * myScreen->w + xorig;
for(int y = 0; y < h; ++y)
{
uInt32 mask = 0xF0000000;
for(int x = 0; x < 8; x++, mask >>= 4)
{
for(int x = 0; x < 8; ++x, mask >>= 4)
if(bitmap[y] & mask)
{
rect.x = x + xorig;
rect.y = y + yorig;
rect.w = rect.h = 1;
SDL_FillRect(myScreen, &rect, myDefPalette[color]);
}
}
buffer[x] = (uInt16) myDefPalette[color];
buffer += myScreen->w;
}
}