eessppeelllloo/processing4
1
0
Fork 0
mirror of https://github.com/processing/processing4.git synced 2026-02-16 03:45:40 +01:00
Code Issues Packages Projects Releases Wiki Activity

FBO layer is enabled when sketch tries to use the front texture (prev. frame) or shader filter

Browse Source
This commit is contained in:
codeanticode
2012-12-17 02:33:05 +00:00
parent dd8b7ae2c0
commit 1d8afa9838
4 changed files with 185 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

111
core/src/processing/opengl/PGL.java
View File

@@ -72,32 +72,19 @@ import com.jogamp.opengl.util.AnimatorBase;
*/
@SuppressWarnings("static-access")
public class PGL {
public static final boolean USE_JOGL_FBOLAYER = true;
public static final boolean USE_DIRECT_BUFFERS = true;
public static final int MIN_DIRECT_BUFFER_SIZE = 1;
///////////////////////////////////////////////////////////
// Parameters
public static final boolean USE_JOGL_FBOLAYER = false;
public static boolean FORCE_SCREEN_FBO = false;
public static final boolean USE_DIRECT_BUFFERS = true;
public static final int MIN_DIRECT_BUFFER_SIZE = 1;
public static final boolean SAVE_SURFACE_TO_PIXELS = true;
// The two windowing toolkits available to use in JOGL:
protected static final int AWT = 0; // http://jogamp.org/wiki/index.php/Using_JOGL_in_AWT_SWT_and_Swing
protected static final int NEWT = 1; // http://jogamp.org/jogl/doc/NEWT-Overview.html
/** Size of a short (in bytes). */
protected static final int SIZEOF_SHORT = Short.SIZE / 8;
/** Size of an int (in bytes). */
protected static final int SIZEOF_INT = Integer.SIZE / 8;
/** Size of a float (in bytes). */
protected static final int SIZEOF_FLOAT = Float.SIZE / 8;
/** Size of a byte (in bytes). */
protected static final int SIZEOF_BYTE = Byte.SIZE / 8;
/** Size of a vertex index. */
protected static final int SIZEOF_INDEX = SIZEOF_SHORT;
/** Type of a vertex index. */
protected static final int INDEX_TYPE = GL.GL_UNSIGNED_SHORT;
/** Enables/disables mipmap use. **/
protected static final boolean MIPMAPS_ENABLED = true;
/** Initial sizes for arrays of input and tessellated data. */
protected static final int DEFAULT_IN_VERTICES = 64;
@@ -140,8 +127,30 @@ public class PGL {
/** Minimum array size to use arrayCopy method(). **/
protected static final int MIN_ARRAYCOPY_SIZE = 2;
/** Enables/disables mipmap use. **/
protected static final boolean MIPMAPS_ENABLED = true;
/** JOGL's windowing toolkit */
// The two windowing toolkits available to use in JOGL:
protected static final int AWT = 0; // http://jogamp.org/wiki/index.php/Using_JOGL_in_AWT_SWT_and_Swing
protected static final int NEWT = 1; // http://jogamp.org/jogl/doc/NEWT-Overview.html
protected static int toolkit = NEWT;
/** Enables/disables use of animator */
protected static boolean useAnimator = false;
protected static boolean enable_screen_FBO_macosx = true;
protected static boolean enable_screen_FBO_windows = true;
protected static boolean enable_screen_FBO_linux = true;
protected static boolean enable_screen_FBO_other = true;
protected static int request_depth_bits = 24;
protected static int request_stencil_bits = 8;
protected static int request_alpha_bits = 8;
protected static final int SIZEOF_SHORT = Short.SIZE / 8;
protected static final int SIZEOF_INT = Integer.SIZE / 8;
protected static final int SIZEOF_FLOAT = Float.SIZE / 8;
protected static final int SIZEOF_BYTE = Byte.SIZE / 8;
protected static final int SIZEOF_INDEX = SIZEOF_SHORT;
protected static final int INDEX_TYPE = GL.GL_UNSIGNED_SHORT;
/** Machine Epsilon for float precision. **/
protected static float FLOAT_EPS = Float.MIN_VALUE;
@@ -356,9 +365,7 @@ public class PGL {
/** Selected GL profile */
public static GLProfile profile;
/** OpenGL thread:
* TODO
* http://forum.processing.org/topic/2-x-pgraphics-thread-crash */
/** OpenGL thread */
protected static Thread glThread;
/** The PGraphics object using this interface */
@@ -377,21 +384,6 @@ public class PGL {
* multisampled renerbuffers) */
protected static GL2 gl2x;
/** Windowing toolkit */
protected static int toolkit = NEWT;
/** Enables/disables use of animator */
protected static boolean useAnimator = false;
protected static boolean enable_screen_FBO_macosx = true;
protected static boolean enable_screen_FBO_windows = true;
protected static boolean enable_screen_FBO_linux = true;
protected static boolean enable_screen_FBO_other = true;
protected static int request_depth_bits = 24;
protected static int request_stencil_bits = 8;
protected static int request_alpha_bits = 8;
/** The AWT-OpenGL canvas */
protected static GLCanvas canvasAWT;
@@ -419,10 +411,9 @@ public class PGL {
///////////////////////////////////////////////////////////
// Objects for onscreen FBO-based rendering
// FBO layer
public static boolean FORCE_SCREEN_FBO = false;
protected static boolean fboLayerByDefault = FORCE_SCREEN_FBO;
protected static boolean fboLayerCreated = false;
protected static boolean fboLayerInUse = false;
protected static boolean firstFrame = true;
@@ -438,9 +429,6 @@ public class PGL {
protected static int fboWidth, fboHeight;
protected static int backTex, frontTex;
protected static boolean needToClearBuffers;
/** Back (== draw, current frame) buffer */
protected static FBObject backFBO;
/** Sink buffer, used in the multisampled case */
@@ -450,6 +438,8 @@ public class PGL {
protected static FBObject.TextureAttachment backTexAttach;
protected static FBObject.TextureAttachment frontTexAttach;
protected static boolean needToClearBuffers;
///////////////////////////////////////////////////////////
// Texture rendering
@@ -918,7 +908,11 @@ public class PGL {
} else {
return fboLayerInUse;
}
}
protected void needFBOLayer() {
FORCE_SCREEN_FBO = true;
}
@@ -1116,8 +1110,7 @@ public class PGL {
protected void beginDraw(boolean clear0) {
if (USE_JOGL_FBOLAYER) return;
if ((!clear0 || FORCE_SCREEN_FBO || 1 < numSamples) &&
glColorFbo.get(0) != 0) {
if (fboLayerInUse(clear0)) {
bindFramebuffer(FRAMEBUFFER, glColorFbo.get(0));
framebufferTexture2D(FRAMEBUFFER, COLOR_ATTACHMENT0,
TEXTURE_2D, glColorTex.get(backTex), 0);
@@ -1146,6 +1139,14 @@ public class PGL {
if (firstFrame) {
firstFrame = false;
}
if (!fboLayerByDefault) {
// The result of this assignment is the following: if the user requested
// at some point the use of the FBO layer, but subsequently didn't do
// request it again, then the rendering won't use the FBO layer if not
// needed, since it is slower than simple onscreen rendering.
FORCE_SCREEN_FBO = false;
}
}
@@ -1224,6 +1225,12 @@ public class PGL {
}
protected boolean fboLayerInUse(boolean clear0) {
boolean cond = !clear0 || FORCE_SCREEN_FBO || 1 < numSamples;
return cond && glColorFbo.get(0) != 0;
}
//////////////////////////////////////////////////////////////////////////////
// Caps query