void draw() {
background(204);
if (currentMode == 1) {
drawStrip();
}
else if (currentMode == 2) {
drawFan();
}
}
/**
* There must be one glEnd for every glBegin.
* glVertex only works between Begin & End pairs.
*/
void bkgl::bkEnd()
{
switch (pointMode)
{
case GL_LINE_LOOP:
drawStrip(firstPoint);
break;
default:
break;
}
pointMode = -1;
clearSavedPoints();
}
void
render(void)
{
DMAPoolBuffer *dma = updateVertices(0.2, 0.8, 0.2, 0, 0);
int row;
trashBuffer();
uploadRow(0, dma);
for (row = 1; row < MESH_HEIGHT; row++) {
uploadRow(row, dma);
drawStrip(row - 1);
}
SVGA3DUtil_AsyncCall((AsyncCallFn) SVGA3DUtil_DMAPoolFreeBuffer, dma);
}
void bkgl::drawCurMode(Point p)
{
//TODO move this set pixle
//setPixel(p);
switch (pointMode)
{
case GL_POINTS:
setPixel(p);
break;
case GL_LINES:
if (savePoints(p,2))
{
Point p1 = savedPoints[0];
Point p2 = savedPoints[1];
drawLine(p1, p2);
clearSavedPoints();
}
break;
case GL_TRIANGLES:
if (savePoints(p,3))
{
Point p1 = savedPoints[0];
Point p2 = savedPoints[1];
Point p3 = savedPoints[2];
drawTriangle(p1, p2, p3);
clearSavedPoints();
}
break;
case GL_LINE_STRIP:
drawStrip(p);
break;
case GL_LINE_LOOP:
drawStrip(p);
break;
case GL_TRIANGLE_STRIP:
if (savePoints(p,3))
{
Point p1 = savedPoints[0];
Point p2 = savedPoints[1];
Point p3 = savedPoints[2];
drawTriangle(p1, p2, p3);
clearSavedPoints();
savePoints(p2,3);
savePoints(p3,3);
}
break;
case GL_POLYGON:
case GL_TRIANGLE_FAN:
if (savePoints(p,3))
{
Point p1 = savedPoints[0];
Point p2 = savedPoints[1];
Point p3 = savedPoints[2];
drawTriangle(p1, p2, p3);
clearSavedPoints();
savePoints(p1,3);
savePoints(p3,3);
}
break;
case GL_QUADS:
if (savePoints(p,4))
{
Point p1 = savedPoints[0];
Point p2 = savedPoints[1];
Point p3 = savedPoints[2];
Point p4 = savedPoints[3];
drawQuad(p1, p2, p3, p4);
clearSavedPoints();
}
break;
case GL_QUAD_STRIP:
if (savePoints(p,4))
{
Point p1 = savedPoints[0];
Point p2 = savedPoints[1];
Point p3 = savedPoints[2];
Point p4 = savedPoints[3];
drawQuad(p1, p2, p4, p3);
clearSavedPoints();
savePoints(p3,3);
savePoints(p4,3);
}
break;
default:
//TODO begin must be called
break;
}
return;
}
