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Canvas frame update experiment

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Ada 2025-02-26 04:55:14 +10:00
parent e97ded844b
commit addd65a160
3 changed files with 33 additions and 1 deletions
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25
libraries/entities-renderer/src/RenderableCanvasEntityItem.cpp
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@ -14,7 +14,7 @@ using namespace render::entities;
CanvasEntityRenderer::CanvasEntityRenderer(const EntityItemPointer& entity) : Parent(entity) {
gpu::Byte pixels[256 * 256 * 4];
// grayscale XOR placeholder texture
// dummy placeholder texture to make sure the per-frame thing works
for (int x = 0; x < 256; x++) {
for (int y = 0; y < 256; y++) {
pixels[(y * 256 * 4) + (x * 4) + 0] = 255;
@ -28,6 +28,29 @@ CanvasEntityRenderer::CanvasEntityRenderer(const EntityItemPointer& entity) : Pa
_texture->setStoredMipFormat(gpu::Element::COLOR_SRGBA_32);
_texture->assignStoredMip(0, 256 * 256 * 4, pixels);
_texture->setSource(__FUNCTION__);
_testTimer.setInterval(33);
connect(&_testTimer, &QTimer::timeout, this, &CanvasEntityRenderer::onTimeout);
_testTimer.start();
}
CanvasEntityRenderer::~CanvasEntityRenderer() { }
void CanvasEntityRenderer::onTimeout() {
gpu::Byte pixels[256 * 256 * 4];
// XOR placeholder texture
for (int x = 0; x < 256; x++) {
for (int y = 0; y < 256; y++) {
pixels[(y * 256 * 4) + (x * 4) + 0] = ((x + _ticks) ^ (y + _ticks));
pixels[(y * 256 * 4) + (x * 4) + 1] = ((x + _ticks) ^ (y + _ticks));
pixels[(y * 256 * 4) + (x * 4) + 2] = ((x + _ticks) ^ (y + _ticks));
pixels[(y * 256 * 4) + (x * 4) + 3] = 255;
}
}
_texture->assignStoredMip(0, 256 * 256 * 4, pixels);
_ticks += 1;
qDebug("onTimeout: _ticks = %d", _ticks);
}

4
libraries/entities-renderer/src/RenderableCanvasEntityItem.h
View file

@ -34,6 +34,10 @@ protected:
private:
gpu::TexturePointer _texture;
int _ticks = 0;
QTimer _testTimer;
void onTimeout();
};
} }

5
libraries/entities-renderer/src/RenderableEntityItem.cpp
View file

@ -31,6 +31,7 @@
#include "RenderableLightEntityItem.h"
#include "RenderableZoneEntityItem.h"
#include "RenderableMaterialEntityItem.h"
#include "RenderableCanvasEntityItem.h"
#include "RenderPipelines.h"
@ -433,6 +434,10 @@ EntityRenderer::Pointer EntityRenderer::addToScene(EntityTreeRenderer& renderer,
result = make_renderer<MaterialEntityRenderer>(entity);
break;
case Type::Canvas:
result = make_renderer<CanvasEntityRenderer>(entity);
break;
default:
break;
}