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This commit is contained in:
SamGondelman 2016-07-06 17:27:53 -07:00
parent 057fc8adce
commit d05a27e0e6
3 changed files with 17 additions and 42 deletions
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interface/resources/images/preview.png Normal file
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54
libraries/display-plugins/src/display-plugins/hmd/HmdDisplayPlugin.cpp
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@ -21,12 +21,11 @@
#include <gl/GLWidget.h>
#include <shared/NsightHelpers.h>
#include <NetworkAccessManager.h>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <gpu/DrawUnitQuadTexcoord_vert.h>
#include <gpu/DrawTexture_frag.h>
#include <PathUtils.h>
#include "../Logging.h"
#include "../CompositorHelper.h"
@ -65,33 +64,24 @@ bool HmdDisplayPlugin::internalActivate() {
});
if (_previewTextureID == 0) {
const QUrl previewURL("https://hifi-content.s3.amazonaws.com/samuel/preview.png");
QNetworkAccessManager& manager = NetworkAccessManager::getInstance();
QNetworkRequest request(previewURL);
request.setHeader(QNetworkRequest::UserAgentHeader, HIGH_FIDELITY_USER_AGENT);
auto rep = manager.get(request);
connect(rep, SIGNAL(finished()), this, SLOT(downloadFinished()));
QImage previewTexture(PathUtils::resourcesPath() + "images/preview.png");
if (!previewTexture.isNull()) {
glGenTextures(1, &_previewTextureID);
glBindTexture(GL_TEXTURE_2D, _previewTextureID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, previewTexture.width(), previewTexture.height(), 0,
GL_BGRA, GL_UNSIGNED_BYTE, previewTexture.mirrored(false, true).bits());
using namespace oglplus;
Texture::MinFilter(TextureTarget::_2D, TextureMinFilter::Linear);
Texture::MagFilter(TextureTarget::_2D, TextureMagFilter::Linear);
glBindTexture(GL_TEXTURE_2D, 0);
_previewAspect = ((float)previewTexture.width())/((float)previewTexture.height());
_firstPreview = true;
}
}
return Parent::internalActivate();
}
void HmdDisplayPlugin::downloadFinished() {
QNetworkReply* reply = static_cast<QNetworkReply*>(sender());
if (reply->error() != QNetworkReply::NetworkError::NoError) {
qDebug() << "HMDDisplayPlugin: error downloading preview image" << reply->errorString();
return;
}
_previewTexture.loadFromData(reply->readAll());
if (!_previewTexture.isNull()) {
_previewAspect = ((float)_previewTexture.width())/((float)_previewTexture.height());
_firstPreview = true;
}
}
void HmdDisplayPlugin::internalDeactivate() {
if (_previewTextureID != 0) {
glDeleteTextures(1, &_previewTextureID);
@ -427,19 +417,8 @@ void HmdDisplayPlugin::internalPresent() {
});
swapBuffers();
} else if (_firstPreview || windowSize != _prevWindowSize || devicePixelRatio != _prevDevicePixelRatio) {
if (_firstPreview) {
glGenTextures(1, &_previewTextureID);
glBindTexture(GL_TEXTURE_2D, _previewTextureID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _previewTexture.width(), _previewTexture.height(), 0,
GL_BGRA, GL_UNSIGNED_BYTE, _previewTexture.mirrored(false, true).bits());
using namespace oglplus;
Texture::MinFilter(TextureTarget::_2D, TextureMinFilter::Linear);
Texture::MagFilter(TextureTarget::_2D, TextureMagFilter::Linear);
glBindTexture(GL_TEXTURE_2D, 0);
_firstPreview = false;
}
useProgram(_previewProgram);
glEnable (GL_BLEND);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
@ -449,6 +428,7 @@ void HmdDisplayPlugin::internalPresent() {
glBindTexture(GL_TEXTURE_2D, _previewTextureID);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
swapBuffers();
_firstPreview = false;
_prevWindowSize = windowSize;
_prevDevicePixelRatio = devicePixelRatio;
}

5
libraries/display-plugins/src/display-plugins/hmd/HmdDisplayPlugin.h
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@ -15,7 +15,6 @@
#include "../OpenGLDisplayPlugin.h"
class HmdDisplayPlugin : public OpenGLDisplayPlugin {
Q_OBJECT
using Parent = OpenGLDisplayPlugin;
public:
bool isHmd() const override final { return true; }
@ -87,9 +86,6 @@ protected:
FrameInfo _currentPresentFrameInfo;
FrameInfo _currentRenderFrameInfo;
public slots:
void downloadFinished();
private:
bool _enablePreview { false };
bool _monoPreview { true };
@ -97,7 +93,6 @@ private:
bool _firstPreview { true };
ProgramPtr _previewProgram;
QImage _previewTexture;
float _previewAspect { 0 };
GLuint _previewTextureID { 0 };
glm::uvec2 _prevWindowSize { 0, 0 };