void GLPresenter::reshape(int w, int h)
{
wSizeW = w; wSizeH = h;
Console::get().setSize(w, h);
NONRELEASE( RT_GL_ASSERT("Error before resizing viewport.") );
if(oneToNScaleFactor > 0.0) {
int x = 0, y = 0, targetW = (int)(reqW*oneToNScaleFactor), targetH = (int)(reqH*oneToNScaleFactor);
Console::get().setSize(targetW, targetH);
int dw = targetW-w;
x = -dw/2; w += dw;
int dh = targetH-h;
y = -dh/2; h += dh;
glViewport(x, y, w, h);
}
else {
const static double epsilon = 0.00001;
if(fabs((w/(double)h) - aspect) < epsilon) {
glViewport(0, 0, w, h);
} else if(h*aspect>w) { // need letterboxing
GLsizei newh = (GLsizei)(w/aspect);
GLint box = (h-newh)/2;
glViewport(0, box, w, newh);
h = newh;
} else { // need pillarboxing
GLsizei neww = (GLsizei)(h*aspect);
GLint box = (w-neww)/2;
glViewport(box, 0, neww, h);
w = neww;
}
}
NONRELEASE( RT_GL_ASSERT("Error resizing viewport.") );
}
bool GLPresenter::run()
{
if(!running) {
return false;
}
if(frameIndex > drawnFrameIndex) {
glBindTexture(GL_TEXTURE_2D, texId);
drawnFrameIndex = frameIndex;
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, reqW/2, reqH, GL_ABGR_EXT, GL_UNSIGNED_BYTE, dataPointers[drawnFrameIndex%2]);
NONRELEASE( RT_GL_ASSERT("Error uploading frame data.") );
// convert UYVY
buffer->makeCurrent();
convertUYVY->use();
glutil::drawQuad();
convertUYVY->stopUsing();
buffer->releaseCurrent();
// apply AA
aaManager->applyAA(buffer, buffer2);
// apply IP
ipManager->applyIP(buffer2, buffer);
display();
}
glfwPollEvents();
if(clock()>cursorTimeout) {
if(GetFocus() == hwnd) glfwDisable(GLFW_MOUSE_CURSOR);
} else {
glfwEnable(GLFW_MOUSE_CURSOR);
}
return true;
}
GLPresenter::GLPresenter(DeckLinkCapture &capture, int w, int h, int hz) :
data_size(w*h*2),
capture(capture), running(true), fullscreen(false), useVsync(false), rgbFull(false),
texId(0), displayList(0),
convertUYVY(NULL),
buffer(NULL), buffer2(NULL),
reqW(w), reqH(h), reqHz(hz),
frameIndex(0), drawnFrameIndex(0), aspect(16.0/9.0), oneToNScaleFactor(-1.0)
{
self = this;
sprintf(prepend, "#define FRAME_WIDTH %d\n#define FRAME_HEIGHT %d\n", reqW, reqH);
RT_ASSERT(glfwInit() == GL_TRUE, "Failed to initalize GLFW.");
RT_ASSERT(glfwOpenWindow(w, h, 0, 0, 0, 0, 0, 0, GLFW_WINDOW) == GL_TRUE, "Failed to open GLFW window.");
string title("PtBi ");
title += VER_STRING;
glfwSetWindowTitle(title.c_str());
glfwSetWindowPos(10, 10);
dataPointers[0] = malloc(data_size);
dataPointers[1] = malloc(data_size);
glewInit();
checkExtensions();
ilInit();
glfwDisable(GLFW_AUTO_POLL_EVENTS);
glfwSwapInterval(0);
glfwSetWindowCloseCallback(closeCallback);
glfwSetWindowSizeCallback(resizeCallback);
glfwSetMousePosCallback(mousePosCallback);
glfwSetKeyCallback(keyCallback);
hdc = wglGetCurrentDC();
hrc = wglGetCurrentContext();
initGL();
convertUYVY = new GLFragmentProgram("shaders/uyvy_to_rgb_smooth.glsl", getShaderPrependString());
buffer = new GLRenderTexture(getW(), getH(), GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
buffer->setFilterMode(GL_LINEAR);
buffer2 = new GLRenderTexture(getW(), getH(), GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
buffer2->setFilterMode(GL_LINEAR);
scalingManager = new ScalingManager(*this);
aaManager = new AAManager(*this);
ipManager = new IPManager(*this);
keyBinding = new KeyBinding(this);
capture.registerDisplayListener(this);
hwnd = GetForegroundWindow();
RT_GL_ASSERT("Error during GL initialization.");
reshape(reqW, reqH);
}
bool GLPresenter::run()
{
if(!running) {
return false;
}
if(frameIndex > drawnFrameIndex) {
Timer t;
glBindTexture(GL_TEXTURE_2D, texId);
drawnFrameIndex = frameIndex;
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, captureBufferW, reqH, GL_ABGR_EXT, GL_UNSIGNED_BYTE, dataPointers[drawnFrameIndex % 2]);
NONRELEASE( RT_GL_ASSERT("Error uploading frame data.") );
// convert UYVY
buffer->makeCurrent();
initialConvert->use();
glutil::drawQuad();
initialConvert->stopUsing();
buffer->releaseCurrent();
// apply AA
aaManager->applyAA(buffer, buffer2);
// apply IP
ipManager->applyIP(buffer2, buffer);
display();
// statistics
frameProcTimes.add(t.elapsed()/1000.0);
graphicsReportText->text = format("Frame processing time (CPU): \n% 6.2lf ms avg, % 6.2lf ms max", frameProcTimes.get(), frameProcTimes.getMax());
}
glfwPollEvents();
if(GetFocus() == hwnd) {
if(clock()>cursorTimeout) {
glfwDisable(GLFW_MOUSE_CURSOR);
} else {
glfwEnable(GLFW_MOUSE_CURSOR);
}
}
return true;
}
GLPresenter::GLPresenter(DeckLinkCapture &capture, int w, int h, int hz) :
data_size(w*h*capture.getBytesPerPixel()),
capture(capture), running(true), fullscreen(false), useVsync(false), rgbFull(false),
texId(0), displayList(0),
initialConvert(NULL),
buffer(NULL), buffer2(NULL),
reqW(w), reqH(h), reqHz(hz), captureBufferW(reqW / (4 / capture.getBytesPerPixel())),
frameIndex(0), drawnFrameIndex(0), aspect(16.0/9.0), oneToNScaleFactor(-1.0),
frameProcTimes(300)
{
self = this;
sprintf(prepend, "#version 410 compatibility \n#define FRAME_WIDTH %d \n#define FRAME_HEIGHT %d \n", reqW, reqH);
RT_ASSERT(glfwInit() == GL_TRUE, "Failed to initalize GLFW.");
RT_ASSERT(glfwOpenWindow(w, h, 0, 0, 0, 0, 0, 0, GLFW_WINDOW) == GL_TRUE, "Failed to open GLFW window.");
string title("PtBi ");
title += VER_STRING;
glfwSetWindowTitle(title.c_str());
glfwSetWindowPos(10, 10);
dataPointers[0] = malloc(data_size);
dataPointers[1] = malloc(data_size);
glewInit();
checkExtensions();
ilInit();
glfwDisable(GLFW_AUTO_POLL_EVENTS);
glfwSwapInterval(0);
glfwSetWindowCloseCallback(closeCallback);
glfwSetWindowSizeCallback(resizeCallback);
glfwSetMousePosCallback(mousePosCallback);
glfwSetKeyCallback(keyCallback);
hdc = wglGetCurrentDC();
hrc = wglGetCurrentContext();
initGL();
switch(capture.getPixelFormat()) {
case CapturePixelFormat::YUV:
initialConvert = new GLFragmentProgram("shaders/uyvy_to_rgb_smooth.glsl", getShaderPrependString());
break;
case CapturePixelFormat::ARGB8:
initialConvert = new GLFragmentProgram("shaders/argb_input.glsl", getShaderPrependString());
break;
case CapturePixelFormat::BGRA8:
initialConvert = new GLFragmentProgram("shaders/bgra_input.glsl", getShaderPrependString());
break;
default:
RT_ASSERT(false, "Unsupported pixel type.");
}
buffer = new GLRenderTexture(getW(), getH(), GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
buffer->setFilterMode(GL_LINEAR);
buffer2 = new GLRenderTexture(getW(), getH(), GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
buffer2->setFilterMode(GL_LINEAR);
scalingManager = new ScalingManager(*this);
aaManager = new AAManager(*this);
ipManager = new IPManager(*this);
keyBinding = new KeyBinding(this);
capture.registerDisplayListener(this);
hwnd = GetForegroundWindow();
RT_GL_ASSERT("Error during GL initialization.");
reshape(reqW, reqH);
graphicsReportText = std::make_shared<StaticText>("", 25.0f,440.0f);
Console::get().add(graphicsReportText);
}
