skia2/obsolete/SkGLDevice_FBO.cpp
epoger@google.com ec3ed6a5eb Automatic update of all copyright notices to reflect new license terms.
I have manually examined all of these diffs and restored a few files that
seem to require manual adjustment.

The following files still need to be modified manually, in a separate CL:

android_sample/SampleApp/AndroidManifest.xml
android_sample/SampleApp/res/layout/layout.xml
android_sample/SampleApp/res/menu/sample.xml
android_sample/SampleApp/res/values/strings.xml
android_sample/SampleApp/src/com/skia/sampleapp/SampleApp.java
android_sample/SampleApp/src/com/skia/sampleapp/SampleView.java
experimental/CiCarbonSampleMain.c
experimental/CocoaDebugger/main.m
experimental/FileReaderApp/main.m
experimental/SimpleCocoaApp/main.m
experimental/iOSSampleApp/Shared/SkAlertPrompt.h
experimental/iOSSampleApp/Shared/SkAlertPrompt.m
experimental/iOSSampleApp/SkiOSSampleApp-Base.xcconfig
experimental/iOSSampleApp/SkiOSSampleApp-Debug.xcconfig
experimental/iOSSampleApp/SkiOSSampleApp-Release.xcconfig
gpu/src/android/GrGLDefaultInterface_android.cpp
gyp/common.gypi
gyp_skia
include/ports/SkHarfBuzzFont.h
include/views/SkOSWindow_wxwidgets.h
make.bat
make.py
src/opts/memset.arm.S
src/opts/memset16_neon.S
src/opts/memset32_neon.S
src/opts/opts_check_arm.cpp
src/ports/SkDebug_brew.cpp
src/ports/SkMemory_brew.cpp
src/ports/SkOSFile_brew.cpp
src/ports/SkXMLParser_empty.cpp
src/utils/ios/SkImageDecoder_iOS.mm
src/utils/ios/SkOSFile_iOS.mm
src/utils/ios/SkStream_NSData.mm
tests/FillPathTest.cpp
Review URL: http://codereview.appspot.com/4816058

git-svn-id: http://skia.googlecode.com/svn/trunk@1982 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-07-28 14:26:00 +00:00

65 lines
1.8 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkGLDevice_FBO.h"
#include "SkRegion.h"
SkGLDevice_FBO::SkGLDevice_FBO(const SkBitmap& bitmap, bool offscreen)
: SkGLDevice(bitmap, offscreen) {
fFBO = 0;
fTextureID = 0;
if (offscreen) {
int nw = SkNextPow2(bitmap.rowBytesAsPixels());
int nh = SkNextPow2(bitmap.height());
glGenFramebuffersEXT(1, &fFBO);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fFBO);
glGenTextures(1, &fTextureID);
glBindTexture(GL_TEXTURE_2D, fTextureID);
SkGL::SetTexParamsClamp(false);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, nw, nh, 0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_2D, fTextureID, 0);
GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
SkDebugf("-- glCheckFramebufferStatusEXT %x\n", status);
}
// now reset back to "normal" drawing target
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
}
SkGLDevice_FBO::~SkGLDevice_FBO() {
if (fTextureID) {
glDeleteTextures(1, &fTextureID);
}
if (fFBO) {
glDeleteFramebuffersEXT(1, &fFBO);
}
}
SkGLDevice::TexOrientation SkGLDevice_FBO::bindDeviceAsTexture() {
if (fTextureID) {
glBindTexture(GL_TEXTURE_2D, fTextureID);
return kBottomToTop_TexOrientation;
}
return kNo_TexOrientation;
}
void SkGLDevice_FBO::gainFocus(SkCanvas* canvas) {
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fFBO);
// now we're ready for the viewport and projection matrix
this->INHERITED::gainFocus(canvas);
}