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Add support for executing arbitrary commands on the texture transfer thread

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This commit is contained in:
Brad Davis 2016-09-20 19:46:26 -07:00
parent ee476a6048
commit 255e9e6435
2 changed files with 18 additions and 2 deletions
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15
libraries/gpu-gl/src/gpu/gl/GLTextureTransfer.cpp
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@ -97,12 +97,23 @@ void GLTextureTransferHelper::shutdown() {
#endif
}
void GLTextureTransferHelper::queueExecution(VoidLambda lambda) {
Lock lock(_mutex);
_pendingCommands.push_back(lambda);
}
bool GLTextureTransferHelper::process() {
// Take any new textures off the queue
// Take any new textures or commands off the queue
VoidLambdaList pendingCommands;
TextureList newTransferTextures;
{
Lock lock(_mutex);
newTransferTextures.swap(_pendingTextures);
pendingCommands.swap(_pendingCommands);
}
for (auto command : pendingCommands) {
command();
}
if (!newTransferTextures.empty()) {
@ -144,7 +155,7 @@ bool GLTextureTransferHelper::process() {
gltexture->finishTransfer();
//glNamedFramebufferTexture(_readFramebuffer, GL_COLOR_ATTACHMENT0, gltexture->_id, 0);
//glBlitNamedFramebuffer(_readFramebuffer, _drawFramebuffer, 0, 0, 1, 1, 0, 0, 1, 1, GL_COLOR_BUFFER_BIT, GL_NEAREST);
//clientWait();
clientWait();
gltexture->_contentStamp = gltexture->_gpuObject.getDataStamp();
gltexture->updateSize();
gltexture->setSyncState(gpu::gl::GLSyncState::Transferred);

5
libraries/gpu-gl/src/gpu/gl/GLTextureTransfer.h
View file

@ -28,10 +28,13 @@ using TextureListIterator = TextureList::iterator;
class GLTextureTransferHelper : public GenericThread {
public:
using VoidLambda = std::function<void()>;
using VoidLambdaList = std::list<VoidLambda>;
using Pointer = std::shared_ptr<GLTextureTransferHelper>;
GLTextureTransferHelper();
~GLTextureTransferHelper();
void transferTexture(const gpu::TexturePointer& texturePointer);
void queueExecution(VoidLambda lambda);
void setup() override;
void shutdown() override;
@ -47,6 +50,8 @@ private:
#endif
// A mutex for protecting items access on the render and transfer threads
Mutex _mutex;
// Commands that have been submitted for execution on the texture transfer thread
VoidLambdaList _pendingCommands;
// Textures that have been submitted for transfer
TextureList _pendingTextures;
// Textures currently in the transfer process