13631f3da8
These markers will be used to group the GL commands by View in the OpenGL ES debugging tool. This will help correlate individual GL calls to higher level components like Views. Change-Id: I73607ba2e7224a80ac32527968261ee008f049c6
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWUI_EXTENSIONS_H
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#define ANDROID_HWUI_EXTENSIONS_H
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#include <utils/SortedVector.h>
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#include <utils/String8.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include "Debug.h"
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namespace android {
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namespace uirenderer {
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///////////////////////////////////////////////////////////////////////////////
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// Defines
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///////////////////////////////////////////////////////////////////////////////
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// Debug
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#if DEBUG_EXTENSIONS
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#define EXT_LOGD(...) ALOGD(__VA_ARGS__)
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#else
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#define EXT_LOGD(...)
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#endif
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// Vendor strings
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#define VENDOR_IMG "Imagination Technologies"
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///////////////////////////////////////////////////////////////////////////////
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// Classes
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///////////////////////////////////////////////////////////////////////////////
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class Extensions {
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public:
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Extensions() {
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const char* buffer = (const char*) glGetString(GL_EXTENSIONS);
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const char* current = buffer;
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const char* head = current;
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EXT_LOGD("Available GL extensions:");
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do {
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head = strchr(current, ' ');
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String8 s(current, head ? head - current : strlen(current));
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if (s.length()) {
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mExtensionList.add(s);
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EXT_LOGD(" %s", s.string());
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}
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current = head + 1;
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} while (head);
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mHasNPot = hasExtension("GL_OES_texture_npot");
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mHasFramebufferFetch = hasExtension("GL_NV_shader_framebuffer_fetch");
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mHasDiscardFramebuffer = hasExtension("GL_EXT_discard_framebuffer");
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mHasDebugMarker = hasExtension("GL_EXT_debug_marker");
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const char* vendor = (const char*) glGetString(GL_VENDOR);
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EXT_LOGD("Vendor: %s", vendor);
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mNeedsHighpTexCoords = strcmp(vendor, VENDOR_IMG) == 0;
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// We don't need to copy the string, the OpenGL ES spec
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// guarantees the result of glGetString to point to a
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// static string as long as our OpenGL context is valid
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mExtensions = buffer;
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}
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inline bool hasNPot() const { return mHasNPot; }
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inline bool hasFramebufferFetch() const { return mHasFramebufferFetch; }
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inline bool needsHighpTexCoords() const { return mNeedsHighpTexCoords; }
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inline bool hasDiscardFramebuffer() const { return mHasDiscardFramebuffer; }
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inline bool hasDebugMarker() const { return mHasDebugMarker; }
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bool hasExtension(const char* extension) const {
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const String8 s(extension);
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return mExtensionList.indexOf(s) >= 0;
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}
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void dump() {
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ALOGD("Supported extensions:\n%s", mExtensions);
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}
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private:
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SortedVector<String8> mExtensionList;
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const char* mExtensions;
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bool mHasNPot;
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bool mNeedsHighpTexCoords;
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bool mHasFramebufferFetch;
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bool mHasDiscardFramebuffer;
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bool mHasDebugMarker;
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}; // class Extensions
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_EXTENSIONS_H
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