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fix bug for renderTexture created which is bigger than screen size

This commit is contained in:
Huabing.Xu 2014-04-29 15:08:44 +08:00
parent e3d195184c
commit bd93a5cb76
2 changed files with 14 additions and 17 deletions
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28
cocos/2d/CCRenderTexture.cpp
View File

@ -194,11 +194,12 @@ bool RenderTexture::initWithWidthAndHeight(int w, int h, Texture2D::PixelFormat
do
{
_fullRect = _rtTextureRect = Rect(0,0,w,h);
Size size = Director::getInstance()->getWinSizeInPixels();
_fullviewPort = Rect(0,0,size.width,size.height);
//Size size = Director::getInstance()->getWinSizeInPixels();
//_fullviewPort = Rect(0,0,size.width,size.height);
w = (int)(w * CC_CONTENT_SCALE_FACTOR());
h = (int)(h * CC_CONTENT_SCALE_FACTOR());
_fullviewPort = Rect(0,0,w,h);
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &_oldFBO);
// textures must be power of two squared
@ -522,7 +523,6 @@ void RenderTexture::onBegin()
{
//
Director *director = Director::getInstance();
Size size = director->getWinSizeInPixels();
_oldProjMatrix = director->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
director->loadMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION, _projectionMatrix);
@ -533,22 +533,19 @@ void RenderTexture::onBegin()
if(!_keepMatrix)
{
director->setProjection(director->getProjection());
#if CC_TARGET_PLATFORM == CC_PLATFORM_WP8
Matrix modifiedProjection = director->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
modifiedProjection = CCEGLView::sharedOpenGLView()->getReverseOrientationMatrix() * modifiedProjection;
director->loadMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION,modifiedProjection);
#endif
const Size& texSize = _texture->getContentSizeInPixels();
// Calculate the adjustment ratios based on the old and new projections
Size size = Director::getInstance()->getWinSizeInPixels();
float widthRatio = size.width / texSize.width;
float heightRatio = size.height / texSize.height;
Matrix orthoMatrix;
Matrix::createOrthographicOffCenter((float)-1.0 / widthRatio, (float)1.0 / widthRatio, (float)-1.0 / heightRatio, (float)1.0 / heightRatio, -1, 1, &orthoMatrix);
director->multiplyMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW, orthoMatrix);
director->multiplyMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION, orthoMatrix);
}
//calculate viewport
{
Rect viewport;
@ -695,13 +692,14 @@ void RenderTexture::begin()
const Size& texSize = _texture->getContentSizeInPixels();
// Calculate the adjustment ratios based on the old and new projections
Size size = director->getWinSizeInPixels();
Size size = Director::getInstance()->getWinSizeInPixels();
float widthRatio = size.width / texSize.width;
float heightRatio = size.height / texSize.height;
Matrix orthoMatrix;
Matrix::createOrthographicOffCenter((float)-1.0 / widthRatio, (float)1.0 / widthRatio, (float)-1.0 / heightRatio, (float)1.0 / heightRatio, -1, 1, &orthoMatrix);
director->multiplyMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW, orthoMatrix);
director->multiplyMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION, orthoMatrix);
}
_groupCommand.init(_globalZOrder);

3
tests/cpp-tests/Classes/RenderTextureTest/RenderTextureTest.cpp
View File

@ -408,8 +408,7 @@ void RenderTextureZbuffer::renderScreenShot()
{
return;
}
texture->setAnchorPoint(Vector2(0, 0));
texture->setKeepMatrix(true);
texture->begin();
this->visit();