summaryrefslogtreecommitdiffstats
path: root/Source/WebCore/html/canvas/WebGLProgram.h
diff options
context:
space:
mode:
authorSteve Block <steveblock@google.com>2011-05-13 06:44:40 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2011-05-13 06:44:40 -0700
commit08014c20784f3db5df3a89b73cce46037b77eb59 (patch)
tree47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/html/canvas/WebGLProgram.h
parent860220379e56aeb66424861ad602b07ee22b4055 (diff)
parent4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff)
downloadexternal_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.zip
external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.gz
external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.bz2
Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3
* changes: Merge WebKit at r75315: Update WebKit version Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs Merge WebKit at r75315: Stub out AXObjectCache::remove() Merge WebKit at r75315: Fix ImageBuffer Merge WebKit at r75315: Fix PluginData::initPlugins() Merge WebKit at r75315: Fix conflicts Merge WebKit at r75315: Fix Makefiles Merge WebKit at r75315: Move Android-specific WebCore files to Source Merge WebKit at r75315: Initial merge by git.
Diffstat (limited to 'Source/WebCore/html/canvas/WebGLProgram.h')
-rw-r--r--Source/WebCore/html/canvas/WebGLProgram.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/Source/WebCore/html/canvas/WebGLProgram.h b/Source/WebCore/html/canvas/WebGLProgram.h
new file mode 100644
index 0000000..6b89ae5
--- /dev/null
+++ b/Source/WebCore/html/canvas/WebGLProgram.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebGLProgram_h
+#define WebGLProgram_h
+
+#include "WebGLObject.h"
+
+#include "WebGLShader.h"
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class WebGLProgram : public WebGLObject {
+public:
+ virtual ~WebGLProgram() { deleteObject(); }
+
+ static PassRefPtr<WebGLProgram> create(WebGLRenderingContext*);
+
+ // cacheActiveAttribLocation() is only called once after linkProgram()
+ // succeeds.
+ bool cacheActiveAttribLocations();
+ int numActiveAttribLocations() const;
+ int getActiveAttribLocation(int index) const;
+
+ bool isUsingVertexAttrib0() const;
+
+ bool getLinkStatus() const { return m_linkStatus; }
+ void setLinkStatus(bool status) { m_linkStatus = status; }
+
+ unsigned long getLinkCount() const { return m_linkCount; }
+
+ // This is to be called everytime after the program is successfully linked.
+ // We don't deal with integer overflow here, assuming in reality a program
+ // will never be linked so many times.
+ void increaseLinkCount() { ++m_linkCount; }
+
+ WebGLShader* getAttachedShader(GraphicsContext3D::WebGLEnumType);
+ bool attachShader(WebGLShader*);
+ bool detachShader(WebGLShader*);
+
+protected:
+ WebGLProgram(WebGLRenderingContext*);
+
+ virtual void deleteObjectImpl(Platform3DObject);
+
+private:
+ virtual bool isProgram() const { return true; }
+
+ Vector<int> m_activeAttribLocations;
+
+ bool m_linkStatus;
+
+ // This is used to track whether a WebGLUniformLocation belongs to this
+ // program or not.
+ unsigned long m_linkCount;
+
+ RefPtr<WebGLShader> m_vertexShader;
+ RefPtr<WebGLShader> m_fragmentShader;
+};
+
+} // namespace WebCore
+
+#endif // WebGLProgram_h