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slightly reworked the logic for screen FBO in android

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This commit is contained in:
codeanticode
2012-07-29 18:22:00 +00:00
parent 7b97dd4921
commit 866aae5d8e
3 changed files with 11 additions and 12 deletions
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android/core/src/processing/opengl/PGL.java
+7 -12
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@@ -324,6 +324,7 @@ public class PGL {
// FBO for incremental drawing
public static final boolean FORCE_SCREEN_FBO = false;
protected boolean firstOnscreenFrame = true;
protected int fboWidth, fboHeight;
protected int backTex, frontTex;
@@ -504,12 +505,6 @@ public class PGL {
backTex = 1;
frontTex = 0;
// The screen framebuffer is the FBO just created. We need
// to update the screenFramebuffer object so when the
// framebuffer is popped back to the screen, the correct
// id is set.
PGraphicsOpenGL.screenFramebuffer.glFbo = glColorFbo[0];
initialized = true;
}
}
@@ -521,12 +516,12 @@ public class PGL {
public boolean primaryIsDoubleBuffered() {
return glColorFbo[0] == 0;
return PGraphicsOpenGL.screenFramebuffer.glFbo != 0;
}
public boolean primaryIsFboBacked() {
return glColorFbo[0] != 0;
return PGraphicsOpenGL.screenFramebuffer.glFbo != 0;
}
@@ -575,13 +570,13 @@ public class PGL {
public void beginOnscreenDraw(boolean clear) {
if (clear) {
if (clear && !FORCE_SCREEN_FBO) {
// Simplest scenario: clear mode means we clear both the color and depth buffers.
// No need for saving front color buffer, etc.
GLES20.glClearColor(0, 0, 0, 0);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
PGraphicsOpenGL.screenFramebuffer.glFbo = 0;
} else {
} else {
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, glColorFbo[0]);
GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, glColorTex[frontTex], 0);
validateFramebuffer();
@@ -597,7 +592,7 @@ public class PGL {
// Render previous draw texture as background.
drawTexture(GLES20.GL_TEXTURE_2D, glColorTex[backTex], fboWidth, fboHeight, 0, 0, pg.width, pg.height, 0, 0, pg.width, pg.height);
}
PGraphicsOpenGL.screenFramebuffer.glFbo = glColorFbo[0];
PGraphicsOpenGL.screenFramebuffer.glFbo = glColorFbo[0];
}
if (firstOnscreenFrame) {
@@ -607,7 +602,7 @@ public class PGL {
public void endOnscreenDraw(boolean clear0) {
if (!clear0) {
if (!clear0 || FORCE_SCREEN_FBO) {
// We are in the primary surface, and no clear mode, this means that the current
// contents of the front buffer needs to be used in the next frame as the background.
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);