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Performance tweaks.

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svn-id: r31863
This commit is contained in:
Vicent Marti 2008-05-04 13:53:22 +00:00
parent d33890f110
commit 6666b93dd7
1 changed files with 16 additions and 10 deletions
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26
graphics/VectorRenderer.cpp
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@ -34,7 +34,7 @@ namespace Graphics {
inline uint32 fp_sqroot(uint32 x);
VectorRenderer *createRenderer() {
return new VectorRendererSpec<uint16, ColorMasks<565> >;
return new VectorRendererAA<uint16, ColorMasks<565> >;
}
@ -58,13 +58,12 @@ void vector_renderer_test(OSystem *_system) {
_system->showOverlay();
while (true) { // draw!!
vr->setColor(255, 255, 255);
vr->fillSurface();
vr->setColor(255, 0, 0 );
vr->drawLine(25, 25, 125, 300);
vr->drawCircle(250, 250, 100);
vr->drawSquare(150, 150, 100, 100, false);
vr->drawSquare(150, 25, 100, 100, true);
_system->copyRectToOverlay((OverlayColor*)_screen.getBasePtr(0, 0), _screen.w, 0, 0, _screen.w, _screen.w);
_system->updateScreen();
_system->delayMillis(100);
@ -167,6 +166,7 @@ drawLineAlg(int x1, int y1, int x2, int y2, int dx, int dy) {
int pitch = Base::surfacePitch();
int xdir = (x2 > x1) ? 1 : -1;
uint16 error_tmp, error_acc, gradient;
uint8 alpha;
*ptr = (PixelType)Base::_color;
@ -182,9 +182,10 @@ drawLineAlg(int x1, int y1, int x2, int y2, int dx, int dy) {
ptr += pitch;
ptr += xdir;
alpha = (error_acc >> 8);
blendPixelPtr(ptr, (error_acc >> 8) ^ 0xFF);
blendPixelPtr(ptr + pitch, (error_acc >> 8) & 0xFF);
blendPixelPtr(ptr, ~alpha);
blendPixelPtr(ptr + pitch, alpha);
}
} else {
gradient = (uint32)(dx << 16) / (uint32)dy;
@ -198,9 +199,10 @@ drawLineAlg(int x1, int y1, int x2, int y2, int dx, int dy) {
ptr += xdir;
ptr += pitch;
alpha = (error_acc >> 8);
blendPixelPtr(ptr, (error_acc >> 8) ^ 0xFF);
blendPixelPtr(ptr + xdir, (error_acc >> 8) & 0xFF);
blendPixelPtr(ptr, ~alpha);
blendPixelPtr(ptr + xdir, alpha);
}
}
@ -264,7 +266,7 @@ inline uint32 fp_sqroot(uint32 x) {
remHI = (remHI << 2) | (remLO >> 30);
remLO <<= 2;
root <<= 1;
testDIV = (root <<1 ) + 1;
testDIV = (root << 1 ) + 1;
if (remHI >= testDIV) {
remHI -= testDIV;
@ -330,6 +332,7 @@ drawCircleAlg(int x1, int y1, int r) {
int y = 0;
uint32 rsq = (r * r) << 16;
uint32 T = 0, oldT;
uint8 a1, a2;
__WU_CIRCLE_SIM(x, y, 255);
@ -341,8 +344,11 @@ drawCircleAlg(int x1, int y1, int r) {
if (T < oldT)
x--;
__WU_CIRCLE_SIM(x, y, (T >> 8) ^ 0xFF);
__WU_CIRCLE_SIM(x-1, y, (T >> 8) & 0xFF);
a2 = (T >> 8);
a1 = ~a2;
__WU_CIRCLE_SIM(x, y, a1);
__WU_CIRCLE_SIM(x-1, y, a2);
}
}