diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl')
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 ≥ 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) { |