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Diffstat (limited to 'src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java')
-rw-r--r--src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java83
1 files changed, 67 insertions, 16 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
index 7337aca36..a0a318a49 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
@@ -32,15 +32,19 @@ import java.util.Iterator;
import javax.media.opengl.GL;
import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLES2;
import javax.media.opengl.GLException;
import javax.media.opengl.fixedfunc.GLMatrixFunc;
import jogamp.graph.curve.opengl.shader.AttributeNames;
+import jogamp.graph.curve.opengl.shader.UniformNames;
import com.jogamp.opengl.GLExtensions;
import com.jogamp.opengl.util.glsl.ShaderCode;
import com.jogamp.opengl.util.glsl.ShaderProgram;
+import com.jogamp.opengl.util.texture.TextureSequence;
import com.jogamp.opengl.util.PMVMatrix;
+import com.jogamp.common.os.Platform;
import com.jogamp.common.util.IntObjectHashMap;
import com.jogamp.graph.curve.Region;
@@ -65,10 +69,12 @@ public class RegionRenderer {
/**
* Default {@link GL#GL_BLEND} <i>enable</i> {@link GLCallback},
- * turning on the {@link GL#GL_BLEND} state and setting up
- * {@link GL#glBlendFunc(int, int) glBlendFunc}({@link GL#GL_SRC_ALPHA}, {@link GL#GL_ONE_MINUS_SRC_ALPHA}).
+ * turning-off depth writing via {@link GL#glDepthMask(boolean)} and turning-on the {@link GL#GL_BLEND} state.
* <p>
- * Implementation also sets {@link RegionRenderer#getRenderState() RenderState}'s {@link RenderState#BITHINT_BLENDING_ENABLED blending bit-hint}.
+ * Implementation also sets {@link RegionRenderer#getRenderState() RenderState}'s {@link RenderState#BITHINT_BLENDING_ENABLED blending bit-hint},
+ * which will cause {@link GLRegion#draw(GL2ES2, RegionRenderer, int[]) GLRegion's draw-method}
+ * to set the proper {@link GL#glBlendFuncSeparate(int, int, int, int) blend-function}
+ * and the clear-color to <i>transparent-black</i> in case of {@link Region#isTwoPass(int) multipass} FBO rendering.
* </p>
* @see #create(RenderState, GLCallback, GLCallback)
* @see #enable(GL2ES2, boolean)
@@ -76,16 +82,17 @@ public class RegionRenderer {
public static final GLCallback defaultBlendEnable = new GLCallback() {
@Override
public void run(final GL gl, final RegionRenderer renderer) {
+ gl.glDepthMask(false);
gl.glEnable(GL.GL_BLEND);
gl.glBlendEquation(GL.GL_FUNC_ADD); // default
- gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
renderer.rs.setHintMask(RenderState.BITHINT_BLENDING_ENABLED);
}
};
/**
* Default {@link GL#GL_BLEND} <i>disable</i> {@link GLCallback},
- * simply turning off the {@link GL#GL_BLEND} state.
+ * simply turning-off the {@link GL#GL_BLEND} state
+ * and turning-on depth writing via {@link GL#glDepthMask(boolean)}.
* <p>
* Implementation also clears {@link RegionRenderer#getRenderState() RenderState}'s {@link RenderState#BITHINT_BLENDING_ENABLED blending bit-hint}.
* </p>
@@ -97,6 +104,7 @@ public class RegionRenderer {
public void run(final GL gl, final RegionRenderer renderer) {
renderer.rs.clearHintMask(RenderState.BITHINT_BLENDING_ENABLED);
gl.glDisable(GL.GL_BLEND);
+ gl.glDepthMask(true);
}
};
@@ -160,7 +168,7 @@ public class RegionRenderer {
* <p>Shall be called by a {@code draw()} method, e.g. {@link RegionRenderer#draw(GL2ES2, Region, int)}</p>
*
* @param gl referencing the current GLContext to which the ShaderState is bound to
- * @param renderModes TODO
+ * @param renderModes
* @throws GLException if initialization failed
*/
public final void init(final GL2ES2 gl, final int renderModes) throws GLException {
@@ -270,6 +278,8 @@ public class RegionRenderer {
private static String USE_COLOR_CHANNEL = "#define USE_COLOR_CHANNEL 1\n";
private static String USE_COLOR_TEXTURE = "#define USE_COLOR_TEXTURE 1\n";
private static String DEF_SAMPLE_COUNT = "#define SAMPLE_COUNT ";
+ private static String MAIN_BEGIN = "void main (void)\n{\n";
+ private static final String gcuTexture2D = "gcuTexture2D";
private String getVersionedShaderName() {
return "curverenderer01";
@@ -367,14 +377,16 @@ public class RegionRenderer {
* @param pass1
* @param quality
* @param sampleCount
+ * @param colorTexSeq
* @return true if a new shader program is being used and hence external uniform-data and -location,
* as well as the attribute-location must be updated, otherwise false.
*/
public final boolean useShaderProgram(final GL2ES2 gl, final int renderModes,
- final boolean pass1, final int quality, final int sampleCount) {
+ final boolean pass1, final int quality, final int sampleCount, final TextureSequence colorTexSeq) {
final ShaderModeSelector1 sel1 = pass1 ? ShaderModeSelector1.selectPass1(renderModes) :
ShaderModeSelector1.selectPass2(renderModes, quality, sampleCount);
final boolean isTwoPass = Region.isTwoPass( renderModes );
+ final boolean isPass1ColorTexSeq = pass1 && null != colorTexSeq;
final int shaderKey = sel1.ordinal() | ( HIGH_MASK & renderModes ) | ( isTwoPass ? TWO_PASS_BIT : 0 );
/**
@@ -404,15 +416,40 @@ public class RegionRenderer {
}
final ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, AttributeNames.class, SHADER_SRC_SUB, SHADER_BIN_SUB, vertexShaderName, true);
final ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, AttributeNames.class, SHADER_SRC_SUB, SHADER_BIN_SUB, versionedBaseName+"-segment-head", true);
- int posVp = rsVp.defaultShaderCustomization(gl, true, true);
+
+ int posVp = 0;
+ int posFp = 0;
+
+ if( isPass1ColorTexSeq && GLES2.GL_TEXTURE_EXTERNAL_OES == colorTexSeq.getTextureTarget() ) {
+ if( !gl.isExtensionAvailable(GLExtensions.OES_EGL_image_external) ) {
+ throw new GLException(GLExtensions.OES_EGL_image_external+" requested but not available");
+ }
+ }
+ boolean supressGLSLVersionES30 = false;
+ if( isPass1ColorTexSeq && GLES2.GL_TEXTURE_EXTERNAL_OES == colorTexSeq.getTextureTarget() ) {
+ if( Platform.OSType.ANDROID == Platform.getOSType() && gl.isGLES3() ) {
+ // Bug on Nexus 10, ES3 - Android 4.3, where
+ // GL_OES_EGL_image_external extension directive leads to a failure _with_ '#version 300 es' !
+ // P0003: Extension 'GL_OES_EGL_image_external' not supported
+ supressGLSLVersionES30 = true;
+ }
+ }
+ posVp = rsVp.defaultShaderCustomization(gl, !supressGLSLVersionES30, true);
// rsFp.defaultShaderCustomization(gl, true, true);
- int posFp = rsFp.addGLSLVersion(gl);
- if( gl.isGLES2() && ! gl.isGLES3() ) {
+ posFp = supressGLSLVersionES30 ? 0 : rsFp.addGLSLVersion(gl);
+ if( isPass1ColorTexSeq ) {
+ posFp = rsFp.insertShaderSource(0, posFp, colorTexSeq.getRequiredExtensionsShaderStub());
+ }
+ if( pass1 && supressGLSLVersionES30 || ( gl.isGLES2() && !gl.isGLES3() ) ) {
posFp = rsFp.insertShaderSource(0, posFp, ShaderCode.createExtensionDirective(GLExtensions.OES_standard_derivatives, ShaderCode.ENABLE));
}
- final String rsFpDefPrecision = getFragmentShaderPrecision(gl);
- if( null != rsFpDefPrecision ) {
- rsFp.insertShaderSource(0, posFp, rsFpDefPrecision);
+ if( false ) {
+ final String rsFpDefPrecision = getFragmentShaderPrecision(gl);
+ if( null != rsFpDefPrecision ) {
+ posFp = rsFp.insertShaderSource(0, posFp, rsFpDefPrecision);
+ }
+ } else {
+ posFp = rsFp.addDefaultShaderPrecision(gl, posFp);
}
if( Region.hasColorChannel( renderModes ) ) {
posVp = rsVp.insertShaderSource(0, posVp, USE_COLOR_CHANNEL);
@@ -426,20 +463,35 @@ public class RegionRenderer {
posFp = rsFp.insertShaderSource(0, posFp, DEF_SAMPLE_COUNT+sel1.sampleCount+"\n");
}
+ final String texLookupFuncName;
+ if( isPass1ColorTexSeq ) {
+ posFp = rsFp.insertShaderSource(0, posFp, "uniform "+colorTexSeq.getTextureSampler2DType()+" "+UniformNames.gcu_ColorTexUnit+";\n");
+ texLookupFuncName = colorTexSeq.getTextureLookupFunctionName(gcuTexture2D);
+ posFp = rsFp.insertShaderSource(0, posFp, colorTexSeq.getTextureLookupFragmentShaderImpl());
+ } else {
+ texLookupFuncName = null;
+ }
+
+ posFp = rsFp.insertShaderSource(0, -1, MAIN_BEGIN);
+
final String passS = pass1 ? "-pass1-" : "-pass2-";
final String shaderSegment = versionedBaseName+passS+sel1.tech+sel1.sub+".glsl";
if(DEBUG) {
System.err.printf("RegionRendererImpl01.useShaderProgram.1: segment %s%n", shaderSegment);
}
try {
- posFp = rsFp.insertShaderSource(0, -1, AttributeNames.class, shaderSegment);
+ posFp = rsFp.insertShaderSource(0, posFp, AttributeNames.class, shaderSegment);
} catch (IOException ioe) {
throw new RuntimeException("Failed to read: "+shaderSegment, ioe);
}
if( 0 > posFp ) {
throw new RuntimeException("Failed to read: "+shaderSegment);
}
- posFp = rsFp.insertShaderSource(0, -1, "}\n");
+ posFp = rsFp.insertShaderSource(0, posFp, "}\n");
+
+ if( isPass1ColorTexSeq ) {
+ rsFp.replaceInShaderSource(gcuTexture2D, texLookupFuncName);
+ }
sp = new ShaderProgram();
sp.add(rsVp);
@@ -461,5 +513,4 @@ public class RegionRenderer {
}
return true;
}
-
} \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 19:04:27 +0000