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TINYGL: Improved dirty rectangle rendering by differentiating draw call types by color.

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This commit is contained in:
Stefano Musumeci 2014-07-28 18:33:04 +02:00
parent 76e6499cb5
commit f192fac096
1 changed files with 26 additions and 9 deletions
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35
graphics/tinygl/zrect.cpp
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@ -12,7 +12,7 @@ void glIssueDrawCall(Graphics::DrawCall *drawCall) {
} // end of namespace TinyGL
void tglDrawRectangle(Common::Rect rect) {
void tglDrawRectangle(Common::Rect rect, int r, int g, int b) {
TinyGL::GLContext *c = TinyGL::gl_get_context();
if (rect.left < 0)
@ -25,32 +25,49 @@ void tglDrawRectangle(Common::Rect rect) {
rect.bottom = c->fb->ysize - 1;
for(int x = rect.left; x < rect.right; x++) {
c->fb->writePixel(rect.top * c->fb->xsize + x, 255, 0, 255, 0);
c->fb->writePixel(rect.bottom * c->fb->xsize + x, 255, 0, 255, 0);
c->fb->writePixel(rect.top * c->fb->xsize + x, 255, r, g, b);
c->fb->writePixel(rect.bottom * c->fb->xsize + x, 255, r, g, b);
}
for(int y = rect.top; y < rect.bottom; y++) {
c->fb->writePixel(y * c->fb->xsize + rect.left, 255, 0, 255, 0);
c->fb->writePixel(y * c->fb->xsize + rect.right, 255, 0, 255, 0);
c->fb->writePixel(y * c->fb->xsize + rect.left, 255, r, g, b);
c->fb->writePixel(y * c->fb->xsize + rect.right, 255, r, g, b);
}
}
struct DirtyRectangle {
Common::Rect rectangle;
int r, g, b;
DirtyRectangle() { }
DirtyRectangle(Common::Rect rect, int r, int g, int b) {
this->rectangle = rect;
this->r = r;
this->g = g;
this->b = b;
}
};
void tglPresentBuffer() {
TinyGL::GLContext *c = TinyGL::gl_get_context();
Common::List<Common::Rect> rectangles;
Common::List<DirtyRectangle> rectangles;
Common::List<Graphics::DrawCall *>::const_iterator it = c->_drawCallsQueue.begin();
Common::List<Graphics::DrawCall *>::const_iterator end = c->_drawCallsQueue.end();
while (it != end) {
(*it)->execute(false);
rectangles.push_back((*it)->getDirtyRegion());
if ( (*it)->getType() == Graphics::DrawCall_Rasterization ) {
rectangles.push_back(DirtyRectangle((*it)->getDirtyRegion(), 0, 255, 0));
} else {
rectangles.push_back(DirtyRectangle((*it)->getDirtyRegion(), 255, 0, 0));
}
delete (*it);
it++;
}
c->_drawCallsQueue.clear();
Common::List<Common::Rect>::const_iterator itRectangles = rectangles.begin();
Common::List<DirtyRectangle>::const_iterator itRectangles = rectangles.begin();
bool blendingEnabled = c->fb->isBlendingEnabled();
bool alphaTestEnabled = c->fb->isAplhaTestEnabled();
@ -58,7 +75,7 @@ void tglPresentBuffer() {
c->fb->enableAlphaTest(false);
while (itRectangles != rectangles.end()) {
tglDrawRectangle(*itRectangles);
tglDrawRectangle((*itRectangles).rectangle, (*itRectangles).r, (*itRectangles).g, (*itRectangles).b);
itRectangles++;
}