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-rw-r--r--src/jogl/classes/com/jogamp/opengl/GLExtensions.java5
-rw-r--r--src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderCode.java33
-rw-r--r--src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderUtil.java8
3 files changed, 35 insertions, 11 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/GLExtensions.java b/src/jogl/classes/com/jogamp/opengl/GLExtensions.java
index cf81b85ee..c0666d153 100644
--- a/src/jogl/classes/com/jogamp/opengl/GLExtensions.java
+++ b/src/jogl/classes/com/jogamp/opengl/GLExtensions.java
@@ -73,8 +73,9 @@ public class GLExtensions {
public static final String OES_EGL_image_external = "GL_OES_EGL_image_external";
public static final String ARB_gpu_shader_fp64 = "GL_ARB_gpu_shader_fp64";
- public static final String ARB_shader_objects = "GL_ARB_shader_objects";
-
+ public static final String ARB_shader_objects = "GL_ARB_shader_objects";
+ public static final String ARB_geometry_shader4 = "GL_ARB_geometry_shader4";
+
//
// Aliased GLX/WGL/.. extensions
//
diff --git a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderCode.java b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderCode.java
index e6dde3237..1e552c17f 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderCode.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderCode.java
@@ -45,6 +45,7 @@ import java.util.Set;
import javax.media.opengl.GL;
import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GL3;
import javax.media.opengl.GLES2;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLException;
@@ -72,6 +73,12 @@ public class ShaderCode {
/** Unique resource suffix for {@link GL2ES2#GL_VERTEX_SHADER} in binary: <code>bvp</code> */
public static final String SUFFIX_VERTEX_BINARY = "bvp" ;
+ /** Unique resource suffix for {@link GL3#GL_GEOMETRY_SHADER} in source code: <code>gp</code> */
+ public static final String SUFFIX_GEOMETRY_SOURCE = "gp" ;
+
+ /** Unique resource suffix for {@link GL3#GL_GEOMETRY_SHADER} in binary: <code>bgp</code> */
+ public static final String SUFFIX_GEOMETRY_BINARY = "bgp" ;
+
/** Unique resource suffix for {@link GL2ES2#GL_FRAGMENT_SHADER} in source code: <code>fp</code> */
public static final String SUFFIX_FRAGMENT_SOURCE = "fp" ;
@@ -82,7 +89,7 @@ public class ShaderCode {
public static final String SUB_PATH_NVIDIA = "nvidia" ;
/**
- * @param type either {@link GL2ES2#GL_VERTEX_SHADER} or {@link GL2ES2#GL_FRAGMENT_SHADER}
+ * @param type either {@link GL2ES2#GL_VERTEX_SHADER}, {@link GL2ES2#GL_FRAGMENT_SHADER} or {@link GL3#GL_GEOMETRY_SHADER}
* @param count number of shaders
* @param source CharSequence array containing the shader sources, organized as <code>source[count][strings-per-shader]</code>.
* May be either an immutable <code>String</code> - or mutable <code>StringBuilder</code> array.
@@ -96,6 +103,7 @@ public class ShaderCode {
switch (type) {
case GL2ES2.GL_VERTEX_SHADER:
case GL2ES2.GL_FRAGMENT_SHADER:
+ case GL3.GL_GEOMETRY_SHADER:
break;
default:
throw new GLException("Unknown shader type: "+type);
@@ -114,7 +122,7 @@ public class ShaderCode {
}
/**
- * @param type either {@link GL2ES2#GL_VERTEX_SHADER} or {@link GL2ES2#GL_FRAGMENT_SHADER}
+ * @param type either {@link GL2ES2#GL_VERTEX_SHADER}, {@link GL2ES2#GL_FRAGMENT_SHADER} or {@link GL3#GL_GEOMETRY_SHADER}
* @param count number of shaders
* @param binary binary buffer containing the shader binaries,
*/
@@ -122,6 +130,7 @@ public class ShaderCode {
switch (type) {
case GL2ES2.GL_VERTEX_SHADER:
case GL2ES2.GL_FRAGMENT_SHADER:
+ case GL3.GL_GEOMETRY_SHADER:
break;
default:
throw new GLException("Unknown shader type: "+type);
@@ -139,7 +148,7 @@ public class ShaderCode {
* which location is resolved using the <code>context</code> class, see {@link #readShaderSource(Class, String)}.
*
* @param gl current GL object to determine whether a shader compiler is available. If null, no validation is performed.
- * @param type either {@link GL2ES2#GL_VERTEX_SHADER} or {@link GL2ES2#GL_FRAGMENT_SHADER}
+ * @param type either {@link GL2ES2#GL_VERTEX_SHADER}, {@link GL2ES2#GL_FRAGMENT_SHADER} or {@link GL3#GL_GEOMETRY_SHADER}
* @param count number of shaders
* @param context class used to help resolving the source location
* @param sourceFiles array of source locations, organized as <code>sourceFiles[count]</code>
@@ -183,7 +192,7 @@ public class ShaderCode {
* Creates a complete {@link ShaderCode} object while reading the shader binary of <code>binaryFile</code>,
* which location is resolved using the <code>context</code> class, see {@link #readShaderBinary(Class, String)}.
*
- * @param type either {@link GL2ES2#GL_VERTEX_SHADER} or {@link GL2ES2#GL_FRAGMENT_SHADER}
+ * @param type either {@link GL2ES2#GL_VERTEX_SHADER}, {@link GL2ES2#GL_FRAGMENT_SHADER} or {@link GL3#GL_GEOMETRY_SHADER}
* @param count number of shaders
* @param context class used to help resolving the source location
* @param binFormat a valid native binary format as they can be queried by {@link ShaderUtil#getShaderBinaryFormats(GL)}.
@@ -215,13 +224,15 @@ public class ShaderCode {
* <ul>
* <li>Source<ul>
* <li>{@link GL2ES2#GL_VERTEX_SHADER vertex}: {@link #SUFFIX_VERTEX_SOURCE}</li>
- * <li>{@link GL2ES2#GL_FRAGMENT_SHADER fragment}: {@link #SUFFIX_FRAGMENT_SOURCE}</li></ul></li>
+ * <li>{@link GL2ES2#GL_FRAGMENT_SHADER fragment}: {@link #SUFFIX_FRAGMENT_SOURCE}</li>
+ * <li>{@link GL3#GL_GEOMETRY_SHADER geometry}: {@link #SUFFIX_GEOMETRY_SOURCE}</li></ul></li>
* <li>Binary<ul>
* <li>{@link GL2ES2#GL_VERTEX_SHADER vertex}: {@link #SUFFIX_VERTEX_BINARY}</li>
- * <li>{@link GL2ES2#GL_FRAGMENT_SHADER fragment}: {@link #SUFFIX_FRAGMENT_BINARY}</li></ul></li>
+ * <li>{@link GL2ES2#GL_FRAGMENT_SHADER fragment}: {@link #SUFFIX_FRAGMENT_BINARY}</li>
+ * <li>{@link GL3#GL_GEOMETRY_SHADER geometry}: {@link #SUFFIX_GEOMETRY_BINARY}</li></ul></li>
* </ul>
* @param binary true for a binary resource, false for a source resource
- * @param type either {@link GL2ES2#GL_VERTEX_SHADER} or {@link GL2ES2#GL_FRAGMENT_SHADER}
+ * @param type either {@link GL2ES2#GL_VERTEX_SHADER}, {@link GL2ES2#GL_FRAGMENT_SHADER} or {@link GL3#GL_GEOMETRY_SHADER}
*
* @throws GLException if <code>type</code> is not supported
*
@@ -233,6 +244,8 @@ public class ShaderCode {
return binary?SUFFIX_VERTEX_BINARY:SUFFIX_VERTEX_SOURCE;
case GL2ES2.GL_FRAGMENT_SHADER:
return binary?SUFFIX_FRAGMENT_BINARY:SUFFIX_FRAGMENT_SOURCE;
+ case GL3.GL_GEOMETRY_SHADER:
+ return binary?SUFFIX_GEOMETRY_BINARY:SUFFIX_GEOMETRY_SOURCE;
default:
throw new GLException("illegal shader type: "+type);
}
@@ -311,7 +324,7 @@ public class ShaderCode {
*
* @param gl current GL object to determine whether a shader compiler is available (if <code>source</code> is used),
* or to determine the shader binary format (if <code>binary</code> is used).
- * @param type either {@link GL2ES2#GL_VERTEX_SHADER} or {@link GL2ES2#GL_FRAGMENT_SHADER}
+ * @param type either {@link GL2ES2#GL_VERTEX_SHADER}, {@link GL2ES2#GL_FRAGMENT_SHADER} or {@link GL3#GL_GEOMETRY_SHADER}
* @param count number of shaders
* @param context class used to help resolving the source and binary location
* @param srcRoot relative <i>root</i> path for <code>srcBasenames</code>
@@ -411,7 +424,7 @@ public class ShaderCode {
*
* @param gl current GL object to determine whether a shader compiler is available (if <code>source</code> is used),
* or to determine the shader binary format (if <code>binary</code> is used).
- * @param type either {@link GL2ES2#GL_VERTEX_SHADER} or {@link GL2ES2#GL_FRAGMENT_SHADER}
+ * @param type either {@link GL2ES2#GL_VERTEX_SHADER}, {@link GL2ES2#GL_FRAGMENT_SHADER} or {@link GL3#GL_GEOMETRY_SHADER}
* @param context class used to help resolving the source and binary location
* @param srcRoot relative <i>root</i> path for <code>basename</code>
* @param binRoot relative <i>root</i> path for <code>basename</code>
@@ -447,6 +460,8 @@ public class ShaderCode {
return "VERTEX_SHADER";
case GL2ES2.GL_FRAGMENT_SHADER:
return "FRAGMENT_SHADER";
+ case GL3.GL_GEOMETRY_SHADER:
+ return "GEOMETRY_SHADER";
}
return "UNKNOWN_SHADER";
}
diff --git a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderUtil.java b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderUtil.java
index 5afc5e38c..eceeea6db 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderUtil.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderUtil.java
@@ -40,6 +40,7 @@ import java.util.*;
import javax.media.opengl.*;
import com.jogamp.common.nio.Buffers;
+import com.jogamp.opengl.GLExtensions;
public class ShaderUtil {
public static String getShaderInfoLog(GL _gl, int shaderObj) {
@@ -210,6 +211,13 @@ public class ShaderUtil {
}
return info.shaderCompilerAvailable.booleanValue();
}
+
+ /** Returns true if GeometryShader is supported, i.e. whether GLContext is &ge; 3.2 or ARB_geometry_shader4 extension is available. */
+ public static boolean isGeometryShaderSupported(GL _gl) {
+ final GLContext ctx = _gl.getContext();
+ return ctx.getGLVersionNumber().compareTo(GLContext.Version32) >= 0 ||
+ ctx.isExtensionAvailable(GLExtensions.ARB_geometry_shader4);
+ }
public static void shaderSource(GL _gl, int shader, CharSequence[] source)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 10:00:02 +0000