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Have textures default to white when they fail to load.

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This commit is contained in:
Andrzej Kapolka 2013-10-16 11:00:41 -07:00
parent 67e035ee95
commit c9344d4382
1 changed files with 12 additions and 5 deletions
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17
interface/src/renderer/TextureCache.cpp
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@ -74,15 +74,17 @@ GLuint TextureCache::getPermutationNormalTextureID() {
return _permutationNormalTextureID;
}
static void loadWhiteTexture() {
const char OPAQUE_WHITE[] = { 0xFF, 0xFF, 0xFF, 0xFF };
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, OPAQUE_WHITE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
GLuint TextureCache::getWhiteTextureID() {
if (_whiteTextureID == 0) {
glGenTextures(1, &_whiteTextureID);
glBindTexture(GL_TEXTURE_2D, _whiteTextureID);
const char OPAQUE_WHITE[] = { 0xFF, 0xFF, 0xFF, 0xFF };
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, OPAQUE_WHITE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
loadWhiteTexture();
glBindTexture(GL_TEXTURE_2D, 0);
}
return _whiteTextureID;
@ -214,6 +216,11 @@ NetworkTexture::NetworkTexture(const QUrl& url) : _reply(NULL), _averageColor(1.
connect(_reply, SIGNAL(downloadProgress(qint64,qint64)), SLOT(handleDownloadProgress(qint64,qint64)));
connect(_reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(handleReplyError()));
// default to white
glBindTexture(GL_TEXTURE_2D, getID());
loadWhiteTexture();
glBindTexture(GL_TEXTURE_2D, 0);
}
NetworkTexture::~NetworkTexture() {