MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
{
initializeGLContext();
initializeGLArea();
initializeParamsArea();
resize(600, 400);
}
SkCommandBufferGLContext::SkCommandBufferGLContext(void* nativeWindow, int msaaSampleCount) {
static const EGLint surfaceAttribs[] = { EGL_NONE };
EGLint configAttribs[] = {
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 8,
EGL_STENCIL_SIZE, 8,
EGL_SAMPLE_BUFFERS, 1,
EGL_SAMPLES, msaaSampleCount,
EGL_NONE
};
if (msaaSampleCount == 0) {
configAttribs[12] = EGL_NONE;
}
initializeGLContext(nativeWindow, configAttribs, surfaceAttribs);
}
SkCommandBufferGLContext::SkCommandBufferGLContext()
: fContext(EGL_NO_CONTEXT)
, fDisplay(EGL_NO_DISPLAY)
, fSurface(EGL_NO_SURFACE) {
static const EGLint configAttribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_NONE
};
static const EGLint surfaceAttribs[] = {
EGL_WIDTH, 1,
EGL_HEIGHT, 1,
EGL_NONE
};
initializeGLContext(nullptr, configAttribs, surfaceAttribs);
}
void OpenGLGraphicsManager::notifyContextCreate(const Graphics::PixelFormat &defaultFormat, const Graphics::PixelFormat &defaultFormatAlpha) {
// Initialize context for use.
initializeGLContext();
// Initialize pipeline.
delete _pipeline;
_pipeline = nullptr;
#if !USE_FORCED_GLES
if (g_context.shadersSupported) {
ShaderMan.notifyCreate();
_pipeline = new ShaderPipeline(ShaderMan.query(ShaderManager::kDefault));
}
#endif
#if !USE_FORCED_GLES2
if (_pipeline == nullptr) {
_pipeline = new FixedPipeline();
}
#endif
g_context.setPipeline(_pipeline);
// Disable 3D properties.
GL_CALL(glDisable(GL_CULL_FACE));
GL_CALL(glDisable(GL_DEPTH_TEST));
GL_CALL(glDisable(GL_DITHER));
g_context.getActivePipeline()->setColor(1.0f, 1.0f, 1.0f, 1.0f);
GL_CALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
// Setup backbuffer state.
// Default to black as clear color.
_backBuffer.setClearColor(0.0f, 0.0f, 0.0f, 0.0f);
// Setup alpha blend (for overlay and cursor).
_backBuffer.enableBlend(true);
// Setup scissor state accordingly.
_backBuffer.enableScissorTest(!_overlayVisible);
g_context.getActivePipeline()->setFramebuffer(&_backBuffer);
// Clear the whole screen for the first three frames to assure any
// leftovers are cleared.
_scissorOverride = 3;
// We use a "pack" alignment (when reading from textures) to 4 here,
// since the only place where we really use it is the BMP screenshot
// code and that requires the same alignment too.
GL_CALL(glPixelStorei(GL_PACK_ALIGNMENT, 4));
// Refresh the output screen dimensions if some are set up.
if (_outputScreenWidth != 0 && _outputScreenHeight != 0) {
setActualScreenSize(_outputScreenWidth, _outputScreenHeight);
}
// TODO: Should we try to convert textures into one of those formats if
// possible? For example, when _gameScreen is CLUT8 we might want to use
// defaultFormat now.
_defaultFormat = defaultFormat;
_defaultFormatAlpha = defaultFormatAlpha;
if (_gameScreen) {
_gameScreen->recreate();
}
if (_overlay) {
_overlay->recreate();
}
if (_cursor) {
_cursor->recreate();
}
#ifdef USE_OSD
if (_osdMessageSurface) {
_osdMessageSurface->recreate();
}
if (_osdIconSurface) {
_osdIconSurface->recreate();
}
#endif
}