diff options
Diffstat (limited to 'make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java')
| -rw-r--r-- | make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java b/make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java new file mode 100644 index 000000000..6776feeb7 --- /dev/null +++ b/make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java @@ -0,0 +1,394 @@ +// Tracks glBegin/glEnd calls to determine whether it is legal to +// query Vertex Buffer Object state +private boolean inBeginEndPair; + +/* FIXME: refactor dependence on Java 2D / JOGL bridge + +// Tracks creation and destruction of server-side OpenGL objects when +// the Java2D/OpenGL pipeline is enabled and it is using frame buffer +// objects (FBOs) to do its rendering +private GLObjectTracker tracker; + +public void setObjectTracker(GLObjectTracker tracker) { + this.tracker = tracker; +} + +*/ + +public GL4bcImpl(GLProfile glp, GLContextImpl context) { + this._context = context; + this.bufferSizeTracker = context.getBufferSizeTracker(); + this.bufferStateTracker = context.getBufferStateTracker(); + this.glStateTracker = context.getGLStateTracker(); + this.glProfile = glp; +} + +/** + * Provides platform-independent access to the wglAllocateMemoryNV / + * glXAllocateMemoryNV extension. + */ +public java.nio.ByteBuffer glAllocateMemoryNV(int arg0, float arg1, float arg2, float arg3) { + return _context.glAllocateMemoryNV(arg0, arg1, arg2, arg3); +} + +// +// Helpers for ensuring the correct amount of texture data +// + +/** Returns the number of bytes required to fill in the appropriate + texture. This is computed as closely as possible based on the + pixel pack or unpack parameters. The logic in this routine is + based on code in the SGI OpenGL sample implementation. */ + +private int imageSizeInBytes(int format, int type, int w, int h, int d, + boolean pack) { + int elements = 0; + int esize = 0; + + if (w < 0) return 0; + if (h < 0) return 0; + if (d < 0) return 0; + switch (format) { + case GL_COLOR_INDEX: + case GL_STENCIL_INDEX: + elements = 1; + break; + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_LUMINANCE: + case GL_DEPTH_COMPONENT: + elements = 1; + break; + case GL_LUMINANCE_ALPHA: + elements = 2; + break; + case GL_RGB: + case GL_BGR: + elements = 3; + break; + case GL_RGBA: + case GL_BGRA: + case GL_ABGR_EXT: + elements = 4; + break; + /* FIXME ?? + case GL_HILO_NV: + elements = 2; + break; */ + default: + return 0; + } + switch (type) { + case GL_BITMAP: + if (format == GL_COLOR_INDEX) { + return (d * (h * ((w+7)/8))); + } else { + return 0; + } + case GL_BYTE: + case GL_UNSIGNED_BYTE: + esize = 1; + break; + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + esize = 1; + elements = 1; + break; + case GL_SHORT: + case GL_UNSIGNED_SHORT: + esize = 2; + break; + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + esize = 2; + elements = 1; + break; + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + esize = 4; + break; + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + esize = 4; + elements = 1; + break; + default: + return 0; + } + return imageSizeInBytes(elements * esize, w, h, d, pack); +} + +private GLBufferSizeTracker bufferSizeTracker; +private GLBufferStateTracker bufferStateTracker; +private GLStateTracker glStateTracker; + +private boolean bufferObjectExtensionsInitialized = false; +private boolean haveARBPixelBufferObject; +private boolean haveEXTPixelBufferObject; +private boolean haveGL15; +private boolean haveGL21; +private boolean haveARBVertexBufferObject; + +private void initBufferObjectExtensionChecks() { + if (bufferObjectExtensionsInitialized) + return; + bufferObjectExtensionsInitialized = true; + haveARBPixelBufferObject = isExtensionAvailable("GL_ARB_pixel_buffer_object"); + haveEXTPixelBufferObject = isExtensionAvailable("GL_EXT_pixel_buffer_object"); + haveGL15 = isExtensionAvailable("GL_VERSION_1_5"); + haveGL21 = isExtensionAvailable("GL_VERSION_2_1"); + haveARBVertexBufferObject = isExtensionAvailable("GL_ARB_vertex_buffer_object"); +} + +private boolean checkBufferObject(boolean extension1, + boolean extension2, + boolean extension3, + boolean enabled, + int state, + String kind, boolean throwException) { + if (inBeginEndPair) { + throw new GLException("May not call this between glBegin and glEnd"); + } + boolean avail = (extension1 || extension2 || extension3); + if (!avail) { + if (!enabled) + return true; + if(throwException) { + throw new GLException("Required extensions not available to call this function"); + } + return false; + } + int buffer = bufferStateTracker.getBoundBufferObject(state, this); + if (enabled) { + if (buffer == 0) { + if(throwException) { + throw new GLException(kind + " must be enabled to call this method"); + } + return false; + } + } else { + if (buffer != 0) { + if(throwException) { + throw new GLException(kind + " must be disabled to call this method"); + } + return false; + } + } + return true; +} + +private boolean checkArrayVBODisabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveGL15, + haveARBVertexBufferObject, + false, + false, + GL.GL_ARRAY_BUFFER, + "array vertex_buffer_object", throwException); +} + +private boolean checkArrayVBOEnabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveGL15, + haveARBVertexBufferObject, + false, + true, + GL.GL_ARRAY_BUFFER, + "array vertex_buffer_object", throwException); +} + +private boolean checkElementVBODisabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveGL15, + haveARBVertexBufferObject, + false, + false, + GL.GL_ELEMENT_ARRAY_BUFFER, + "element vertex_buffer_object", throwException); +} + +private boolean checkElementVBOEnabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveGL15, + haveARBVertexBufferObject, + false, + true, + GL.GL_ELEMENT_ARRAY_BUFFER, + "element vertex_buffer_object", throwException); +} + +private boolean checkUnpackPBODisabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveARBPixelBufferObject, + haveEXTPixelBufferObject, + haveGL21, + false, + GL2.GL_PIXEL_UNPACK_BUFFER, + "unpack pixel_buffer_object", throwException); +} + +private boolean checkUnpackPBOEnabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveARBPixelBufferObject, + haveEXTPixelBufferObject, + haveGL21, + true, + GL2.GL_PIXEL_UNPACK_BUFFER, + "unpack pixel_buffer_object", throwException); +} + +private boolean checkPackPBODisabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveARBPixelBufferObject, + haveEXTPixelBufferObject, + haveGL21, + false, + GL2.GL_PIXEL_PACK_BUFFER, + "pack pixel_buffer_object", throwException); +} + +private boolean checkPackPBOEnabled(boolean throwException) { + initBufferObjectExtensionChecks(); + return checkBufferObject(haveARBPixelBufferObject, + haveEXTPixelBufferObject, + haveGL21, + true, + GL2.GL_PIXEL_PACK_BUFFER, + "pack pixel_buffer_object", throwException); +} + +public boolean glIsPBOPackEnabled() { + return checkPackPBOEnabled(false); +} + +public boolean glIsPBOUnpackEnabled() { + return checkUnpackPBOEnabled(false); +} + +private HashMap/*<MemoryObject>*/ arbMemCache = new HashMap(); + +/** Entry point to C language function: <br> <code> LPVOID glMapBuffer(GLenum target, GLenum access); </code> */ +public java.nio.ByteBuffer glMapBuffer(int target, int access) { + final long __addr_ = ((GL4bcProcAddressTable)_context.getGLProcAddressTable())._addressof_glMapBuffer; + if (__addr_ == 0) { + throw new GLException("Method \"glMapBuffer\" not available"); + } + final long sz = bufferSizeTracker.getBufferSize(bufferStateTracker, target, this); + if (0 == sz) { + return null; + } + final long addr = dispatch_glMapBuffer(target, access, __addr_); + if (0 == addr) { + return null; + } + ByteBuffer buffer; + MemoryObject memObj0 = new MemoryObject(addr, sz); // object and key + MemoryObject memObj1 = MemoryObject.getOrAddSafe(arbMemCache, memObj0); + if(memObj0 == memObj1) { + // just added .. + if(null != memObj0.getBuffer()) { + throw new InternalError(); + } + buffer = newDirectByteBuffer(addr, sz); + Buffers.nativeOrder(buffer); + memObj0.setBuffer(buffer); + } else { + // already mapped + buffer = memObj1.getBuffer(); + if(null == buffer) { + throw new InternalError(); + } + } + buffer.position(0); + return buffer; +} + +/** Encapsulates function pointer for OpenGL function <br>: <code> LPVOID glMapBuffer(GLenum target, GLenum access); </code> */ +native private long dispatch_glMapBuffer(int target, int access, long glProcAddress); + +/** Entry point to C language function: <code> GLvoid * {@native glMapNamedBufferEXT}(GLuint buffer, GLenum access); </code> <br>Part of <code>GL_EXT_direct_state_access</code> */ +public java.nio.ByteBuffer glMapNamedBufferEXT(int bufferName, int access) { + final long __addr_ = ((GL4bcProcAddressTable)_context.getGLProcAddressTable())._addressof_glMapNamedBufferEXT; + if (__addr_ == 0) { + throw new GLException("Method \"glMapNamedBufferEXT\" not available"); + } + final long sz = bufferSizeTracker.getDirectStateBufferSize(bufferName, this); + if (0 == sz) { + return null; + } + final long addr = dispatch_glMapNamedBufferEXT(bufferName, access, __addr_); + if (0 == addr) { + return null; + } + ByteBuffer buffer; + MemoryObject memObj0 = new MemoryObject(addr, sz); // object and key + MemoryObject memObj1 = MemoryObject.getOrAddSafe(arbMemCache, memObj0); + if(memObj0 == memObj1) { + // just added .. + if(null != memObj0.getBuffer()) { + throw new InternalError(); + } + buffer = newDirectByteBuffer(addr, sz); + Buffers.nativeOrder(buffer); + memObj0.setBuffer(buffer); + } else { + // already mapped + buffer = memObj1.getBuffer(); + if(null == buffer) { + throw new InternalError(); + } + } + buffer.position(0); + return buffer; +} + +private native long dispatch_glMapNamedBufferEXT(int buffer, int access, long procAddress); + +native private ByteBuffer newDirectByteBuffer(long addr, long capacity); + + public void glVertexPointer(GLArrayData array) { + if(array.getComponentNumber()==0) return; + if(array.isVBO()) { + glVertexPointer(array.getComponentNumber(), array.getComponentType(), array.getStride(), array.getOffset()); + } else { + glVertexPointer(array.getComponentNumber(), array.getComponentType(), array.getStride(), array.getBuffer()); + } + } + public void glColorPointer(GLArrayData array) { + if(array.getComponentNumber()==0) return; + if(array.isVBO()) { + glColorPointer(array.getComponentNumber(), array.getComponentType(), array.getStride(), array.getOffset()); + } else { + glColorPointer(array.getComponentNumber(), array.getComponentType(), array.getStride(), array.getBuffer()); + } + + } + public void glNormalPointer(GLArrayData array) { + if(array.getComponentNumber()==0) return; + if(array.getComponentNumber()!=3) { + throw new GLException("Only 3 components per normal allowed"); + } + if(array.isVBO()) { + glNormalPointer(array.getComponentType(), array.getStride(), array.getOffset()); + } else { + glNormalPointer(array.getComponentType(), array.getStride(), array.getBuffer()); + } + } + public void glTexCoordPointer(GLArrayData array) { + if(array.getComponentNumber()==0) return; + if(array.isVBO()) { + glTexCoordPointer(array.getComponentNumber(), array.getComponentType(), array.getStride(), array.getOffset()); + } else { + glTexCoordPointer(array.getComponentNumber(), array.getComponentType(), array.getStride(), array.getBuffer()); + } + } + |