diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/GLStateTracker.java')
| -rw-r--r-- | src/jogl/classes/jogamp/opengl/GLStateTracker.java | 131 |
1 files changed, 129 insertions, 2 deletions
diff --git a/src/jogl/classes/jogamp/opengl/GLStateTracker.java b/src/jogl/classes/jogamp/opengl/GLStateTracker.java index 4084887da..83b85a7e6 100644 --- a/src/jogl/classes/jogamp/opengl/GLStateTracker.java +++ b/src/jogl/classes/jogamp/opengl/GLStateTracker.java @@ -53,7 +53,6 @@ import java.util.ArrayList; * Currently supported states: PixelStorei */ public class GLStateTracker { - /** Minimum value of MAX_CLIENT_ATTRIB_STACK_DEPTH */ public static final int MIN_CLIENT_ATTRIB_STACK_DEPTH = 16; @@ -104,19 +103,124 @@ public class GLStateTracker { } } + /** + * Blending function and equation states per output draw buffer without color and enable. + * <p> + * GL_MAX_DRAW_BUFFERS >= 8 + * </p> + */ + public static class BlendFuncEq { + /** + * Set via {@link GL#glBlendFunc(int, int)}, {@link GL#glBlendFuncSeparate(int, int, int, int)} + * or {@link GL2ES3#glBlendFunci(int, int, int)}, {@link GL2ES3#glBlendFuncSeparatei(int, int, int, int, int)}. + * <p> + * Values are one of + * <code> + * GL_ZERO (dest default), GL_ONE (source default), + * GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, GL_DST_COLOR, GL_ONE_MINUS_DST_COLOR, + * GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA, + * GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA, + * GL_SRC_ALPHA_SATURATE, GL_SRC1_COLOR, GL_ONE_MINUS_SRC1_COLOR, GL_SRC1_ALPHA, and GL_ONE_MINUS_SRC1_ALPHA + * </code> + * </p> + */ + int dst_alpha; + /** See {@link #dst_alpha}. */ + int dst_rgb; + /** See {@link #dst_alpha}. */ + int src_alpha; + /** See {@link #dst_alpha}. */ + int src_rgb; + /** + * Set via {@link GL#glBlendEquation(int)}, {@link GL#glBlendEquationSeparate(int, int)} + * or {@link GL2ES3#glBlendEquationi(int, int)}, {@link GL2ES3#glBlendEquationSeparatei(int, int, int)}. + * <p> + * Values are on of + * <code> + * GL_FUNC_ADD (default), GL_FUNC_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT, GL_MIN, GL_MAX. + * </code> + * </p> + */ + int eq_alpha; + /** See {@link #eq_alpha}. */ + int eq_rgb; + public BlendFuncEq() { + clearStates(); + } + /** Copy constructor */ + public BlendFuncEq(final BlendFuncEq src) { + set(src); + } + /** Set this instance's state using OpenGL default values. */ + public final void clearStates() { + dst_alpha = GL.GL_ZERO; + dst_rgb = GL.GL_ZERO; + src_alpha = GL.GL_ONE; + src_rgb = GL.GL_ONE; + eq_alpha = GL.GL_FUNC_ADD; + eq_rgb = GL.GL_FUNC_ADD; + } + /** Set this instance's state using given src values */ + public final void set(final BlendFuncEq src) { + dst_alpha = src.dst_alpha; + dst_rgb = src.dst_rgb; + src_alpha = src.src_alpha; + src_rgb = src.src_rgb; + eq_alpha = src.eq_alpha; + eq_rgb = src.eq_rgb; + } + } + + /** Global blending states color and enabled. */ + public static class BlendGlobal { + /** glBlendColor(..) */ + public float r, g, b, a; + public boolean enabled; + public BlendFuncEq state; + + public BlendGlobal() { + state = new BlendFuncEq(); + clearStates(); + } + + /** Copy constructor */ + public BlendGlobal(final BlendGlobal src) { + set(src); + } + /** Set this instance's state using OpenGL default values. */ + public final void clearStates() { + r=0f; g=0f; b=0f; a=0f; + enabled = false; + state.clearStates(); + } + /** Set this instance's state using given src values */ + public final void set(final BlendGlobal src) { + r = src.r; + g = src.g; + b = src.b; + a = src.a; + enabled = src.enabled; + state.set(src.state); + } + } private volatile boolean enabled = true; private PixelStateMap pixelStateMap; + private final BlendGlobal blendGlobalState; + private final ArrayList<BlendFuncEq> blendStatePerOutput; + private final ArrayList<SavedState> stack; static class SavedState { - /** * Empty pixel-store state */ private PixelStateMap pixelStateMap; + // private BlendGlobal blendState; + // private ArrayList<BlendFuncEq> blendStatePerOutput; + /** * set (client) pixel-store state, deep copy */ @@ -125,14 +229,30 @@ public class GLStateTracker { } /** + * set (client) pixel-store state, deep copy + final void setPixelStateMap(final PixelStateMap pixelStateMap, final BlendGlobal blendState, final ArrayList<BlendFuncEq> blendStatePerOutput) { + this.pixelStateMap = new PixelStateMap(pixelStateMap); + this.blendState = new BlendGlobal(blendState); + this.blendStatePerOutput = new ArrayList<BlendFuncEq>(blendStatePerOutput.size()); + for(final BlendFuncEq bfeq : blendStatePerOutput) { + this.blendStatePerOutput.add(new BlendFuncEq(bfeq)); + } + } + */ + + /** * get (client) pixel-store state, return reference */ final PixelStateMap getPixelStateMap() { return pixelStateMap; } + // final BlendGlobal getBlendGlobal() { return blendState; } + // final ArrayList<BlendFuncEq> getBlendStatePerOutput() { return blendStatePerOutput; } } public GLStateTracker() { pixelStateMap = new PixelStateMap(); + blendGlobalState = new BlendGlobal(); + blendStatePerOutput = new ArrayList<BlendFuncEq>(0); // FIXME stack = new ArrayList<SavedState>(MIN_CLIENT_ATTRIB_STACK_DEPTH); clearStates(); @@ -148,6 +268,11 @@ public class GLStateTracker { /** Return the local {@link PixelStateMap} */ public final PixelStateMap getPixelStateMap() { return this.pixelStateMap; } + /** Return the local {@link BlendGlobal} */ + public final BlendGlobal getBlendGlobal() { return blendGlobalState; } + /** Return the local array of {@link BlendFuncEq} */ + public final ArrayList<BlendFuncEq> getBlendStatePerOutput() { return this.blendStatePerOutput; } + /** @return true if found in our map, otherwise false, * which forces the caller to query GL. */ public final boolean getInt(final int pname, final int[] params, final int params_offset) { @@ -217,6 +342,8 @@ public class GLStateTracker { public final void clearStates() { stack.clear(); pixelStateMap.clearStates(); + blendGlobalState.clearStates(); + blendStatePerOutput.clear(); } } |