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#include "ScreenViewport.h"
#include "RenderQueue.h"
#include "RenderCommandPool.h"
#include "RenderResources.h"
#include "RenderStatistics.h"
#include "../Application.h"
#include "DisplayMode.h"
#include "GL/GLClearColor.h"
#include "GL/GLViewport.h"
#include "GL/GLDebug.h"
#include "Camera.h"
namespace nCine
{
ScreenViewport::ScreenViewport()
: Viewport()
{
width_ = theApplication().GetWidth();
height_ = theApplication().GetHeight();
viewportRect_.Set(0, 0, width_, height_);
const DisplayMode displayMode = theApplication().GetGfxDevice().displayMode();
if (displayMode.depthBits() == 16) {
depthStencilFormat_ = DepthStencilFormat::Depth16;
} else if (displayMode.depthBits() == 24) {
depthStencilFormat_ = (displayMode.stencilBits() == 8 ? DepthStencilFormat::Depth24_Stencil8 : DepthStencilFormat::Depth24);
}
rootNode_ = &theApplication().GetRootNode();
type_ = Type::Screen;
}
void ScreenViewport::Resize(std::int32_t width, std::int32_t height)
{
if (width == width_ && height == height_) {
return;
}
viewportRect_.Set(0, 0, width, height);
if (camera_ != nullptr) {
camera_->SetOrthoProjection(0.0f, float(width), 0.0f, float(height));
}
RenderResources::defaultCamera_->SetOrthoProjection(0.0f, float(width), 0.0f, float(height));
width_ = width;
height_ = height;
}
void ScreenViewport::Update()
{
for (std::int32_t i = std::int32_t(chain_.size()) - 1; i >= 0; i--) {
if (chain_[i] && !chain_[i]->stateBits_.test(StateBitPositions::UpdatedBit)) {
chain_[i]->Update();
}
}
Viewport::Update();
}
void ScreenViewport::Visit()
{
for (std::int32_t i = std::int32_t(chain_.size()) - 1; i >= 0; i--) {
if (chain_[i] && !chain_[i]->stateBits_.test(StateBitPositions::VisitedBit)) {
chain_[i]->Visit();
}
}
Viewport::Visit();
}
void ScreenViewport::SortAndCommitQueue()
{
#if defined(NCINE_PROFILING)
// Reset all rendering statistics
RenderStatistics::Reset();
#endif
for (std::int32_t i = std::int32_t(chain_.size()) - 1; i >= 0; i--) {
if (chain_[i] && !chain_[i]->stateBits_.test(StateBitPositions::CommittedBit)) {
chain_[i]->SortAndCommitQueue();
}
}
Viewport::SortAndCommitQueue();
// Now that UBOs and VBOs have been updated, they can be flushed and unmapped
RenderResources::GetBuffersManager().FlushUnmap();
}
void ScreenViewport::Draw()
{
// Recursive calls into the chain
Viewport::Draw(0);
for (std::size_t i = 0; i < chain_.size(); i++) {
if (chain_[i]) {
chain_[i]->renderQueue_.Clear();
chain_[i]->stateBits_.reset();
}
}
renderQueue_.Clear();
stateBits_.reset();
RenderResources::GetBuffersManager().Remap();
RenderResources::GetRenderCommandPool().Reset();
GLDebug::Reset();
}
}
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