public void paintTex(int glid, int target, int w, int h, int color) {
float r, g, b, a;
int ir, ig, ib, ia;
ia = (color >> 24) & 0xff;
ir = (color >> 16) & 0xff;
ig = (color >> 8) & 0xff;
ib = color & 0xff;
a = ia / 255.0f;
r = ir / 255.0f;
g = ig / 255.0f;
b = ib / 255.0f;
pushFramebuffer();
setFramebuffer(FBO);
FBO.setDrawBuffer(target, glid);
saveView();
setOrthographicView(w, h);
gl.glColor4f(r, g, b, a);
gl.glBegin(GL.GL_QUADS);
gl.glVertex2f(0.0f, 0.0f);
gl.glVertex2f(w, 0.0f);
gl.glVertex2f(w, h);
gl.glVertex2f(0.0f, h);
gl.glEnd();
restoreView();
popFramebuffer();
}
protected void popDestTextures() {
try {
currentDestTex = destTexStack.pop();
currentFBO.setDrawBuffers(currentDestTex);
} catch (EmptyStackException e) {
System.out.println("Empty texture stack");
}
}
protected void popFramebuffer() {
if (!popFramebufferEnabled) return;
try {
currentFBO = fboStack.pop();
currentFBO.bind();
} catch (EmptyStackException e) {
System.out.println("Empty framebuffer stack");
}
}
public void copyTex(GLTexture srcTex, GLTexture destTex) {
float uscale = srcTex.getMaxTextureCoordS();
float vscale = srcTex.getMaxTextureCoordT();
float cx = 0.0f;
float sx = +1.0f;
if (destTex.isFlippedX()) {
cx = 1.0f;
sx = -1.0f;
}
float cy = 0.0f;
float sy = +1.0f;
if (destTex.isFlippedY()) {
cy = 1.0f;
sy = -1.0f;
}
gl.glEnable(srcTex.getTextureTarget());
gl.glActiveTexture(GL.GL_TEXTURE0);
gl.glBindTexture(srcTex.getTextureTarget(), srcTex.getTextureID());
pushFramebuffer();
setFramebuffer(FBO);
FBO.setDrawBuffer(destTex.getTextureTarget(), destTex.getTextureID());
saveView();
setOrthographicView(destTex.width, destTex.height);
gl.glEnable(srcTex.getTextureTarget());
gl.glActiveTexture(GL.GL_TEXTURE0);
gl.glBindTexture(srcTex.getTextureTarget(), srcTex.getTextureID());
gl.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
gl.glBegin(GL.GL_QUADS);
gl.glTexCoord2f((cx + sx * 0.0f) * uscale, (cy + sy * 0.0f) * vscale);
gl.glVertex2f(0.0f, 0.0f);
gl.glTexCoord2f((cx + sx * 1.0f) * uscale, (cy + sy * 0.0f) * vscale);
gl.glVertex2f(srcTex.width, 0.0f);
gl.glTexCoord2f((cx + sx * 1.0f) * uscale, (cy + sy * 1.0f) * vscale);
gl.glVertex2f(srcTex.width, srcTex.height);
gl.glTexCoord2f((cx + sx * 0.0f) * uscale, (cy + sy * 1.0f) * vscale);
gl.glVertex2f(0.0f, srcTex.height);
gl.glEnd();
gl.glBindTexture(srcTex.getTextureTarget(), 0);
restoreView();
popFramebuffer();
}
public void clearTex(int glid, int target, int color) {
float r, g, b, a;
int ir, ig, ib, ia;
ia = (color >> 24) & 0xff;
ir = (color >> 16) & 0xff;
ig = (color >> 8) & 0xff;
ib = color & 0xff;
a = ia / 255.0f;
r = ir / 255.0f;
g = ig / 255.0f;
b = ib / 255.0f;
pushFramebuffer();
setFramebuffer(FBO);
FBO.setDrawBuffer(target, glid);
gl.glClearColor(r, g, b, a);
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
popFramebuffer();
}
protected void setDestTextures(GLTexture[] destTex, int n) {
currentDestTex = destTex;
currentFBO.setDrawBuffers(currentDestTex, n);
}
protected void setFramebuffer(GLFramebufferObject fbo) {
if (framebufferFixed) return;
currentFBO = fbo;
currentFBO.bind();
}