void LayerRenderer::destroyLayerDeferred(Layer* layer) {
if (layer) {
LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->getFbo());
Caches::getInstance().deleteLayerDeferred(layer);
}
}
void LayerRenderer::destroyLayerDeferred(Layer* layer) {
if (layer) {
LAYER_RENDERER_LOGD("Deferring layer destruction %p, fbo %d, texture %d, alpha %d",
layer, layer->getFbo(), layer->getTexture(), layer->getAlpha());
Caches::getInstance().deleteLayerDeferred(layer);
}
}
void LayerRenderer::destroyLayer(Layer* layer) {
if (layer) {
LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d",
layer->getWidth(), layer->getHeight(), layer->getFbo());
if (!Caches::getInstance().layerCache.put(layer)) {
LAYER_RENDERER_LOGD(" Destroyed!");
Caches::getInstance().resourceCache.decrementRefcount(layer);
} else {
LAYER_RENDERER_LOGD(" Cached!");
#if DEBUG_LAYER_RENDERER
Caches::getInstance().layerCache.dump();
#endif
layer->removeFbo();
layer->region.clear();
}
}
}
void LayerRenderer::destroyLayer(Layer* layer) {
if (layer) {
ATRACE_FORMAT("Destroy %ux%u HW Layer", layer->getWidth(), layer->getHeight());
LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d",
layer->getWidth(), layer->getHeight(), layer->getFbo());
if (!Caches::getInstance().layerCache.put(layer)) {
LAYER_RENDERER_LOGD(" Destroyed!");
layer->decStrong(nullptr);
} else {
LAYER_RENDERER_LOGD(" Cached!");
#if DEBUG_LAYER_RENDERER
Caches::getInstance().layerCache.dump();
#endif
layer->removeFbo();
layer->region.clear();
}
}
}
void LayerRenderer::finish() {
OpenGLRenderer::finish();
generateMesh();
LAYER_RENDERER_LOGD("Finished rendering into layer, fbo = %d", mLayer->getFbo());
// No need to unbind our FBO, this will be taken care of by the caller
// who will invoke OpenGLRenderer::resume()
}
void LayerRenderer::destroyLayer(Layer* layer) {
if (layer) {
ATRACE_CALL();
LAYER_RENDERER_LOGD("Destroying or caching layer %p, %dx%d, fbo %d, texture %d, alpha %d",
layer, layer->getWidth(), layer->getHeight(), layer->getFbo(), layer->getTexture(), layer->getAlpha());
if (!Caches::getInstance().layerCache.put(layer)) {
LAYER_RENDERER_LOGD(" Destroyed!");
ResourceCache::getInstance().decrementRefcount(layer);
} else {
LAYER_RENDERER_LOGD(" Cached!");
layer->removeFbo();
layer->region.clear();
}
#if DEBUG_LAYER_RENDERER
if (g_HWUI_debug_layer_renderer) Caches::getInstance().layerCache.dump();
#endif
}
}
Layer* LayerRenderer::createTextureLayer(RenderState& renderState) {
LAYER_RENDERER_LOGD("Creating new texture layer");
Layer* layer = new Layer(Layer::kType_Texture, renderState, 0, 0);
layer->setCacheable(false);
layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f);
layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f);
layer->region.clear();
layer->setRenderTarget(GL_NONE); // see ::updateTextureLayer()
Caches::getInstance().textureState().activateTexture(0);
layer->generateTexture();
return layer;
}
bool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) {
if (layer) {
LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->getFbo(), width, height);
if (layer->resize(width, height)) {
layer->layer.set(0.0f, 0.0f, width, height);
layer->texCoords.set(0.0f, height / float(layer->getHeight()),
width / float(layer->getWidth()), 0.0f);
} else {
return false;
}
}
return true;
}
Layer* LayerRenderer::createTextureLayer(bool isOpaque) {
LAYER_RENDERER_LOGD("Creating new texture layer");
Layer* layer = new Layer(0, 0);
layer->setCacheable(false);
layer->setTextureLayer(true);
layer->setBlend(!isOpaque);
layer->setEmpty(true);
layer->setFbo(0);
layer->setAlpha(255, SkXfermode::kSrcOver_Mode);
layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f);
layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f);
layer->region.clear();
layer->setRenderTarget(GL_NONE); // see ::updateTextureLayer()
Caches::getInstance().activeTexture(0);
layer->generateTexture();
return layer;
}
void LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height,
bool isOpaque, bool forceFilter, GLenum renderTarget, float* textureTransform) {
if (layer) {
LAYER_RENDERER_LOGD("Updating texture layer %p, %dx%d, fbo %d, texture %d, renderTarget 0x%x, alpha %d",
layer, width, height, layer->getFbo(), layer->getTexture(), renderTarget, layer->getAlpha());
layer->setBlend(!isOpaque);
layer->setForceFilter(forceFilter);
layer->setSize(width, height);
layer->layer.set(0.0f, 0.0f, width, height);
layer->region.set(width, height);
layer->regionRect.set(0.0f, 0.0f, width, height);
layer->getTexTransform().load(textureTransform);
if (renderTarget != layer->getRenderTarget()) {
layer->setRenderTarget(renderTarget);
layer->bindTexture();
layer->setFilter(GL_NEAREST, false, true);
layer->setWrap(GL_CLAMP_TO_EDGE, false, true);
}
}
}
void LayerRenderer::prepareDirty(float left, float top, float right, float bottom,
bool opaque) {
LAYER_RENDERER_LOGD("Rendering into layer, fbo = %d", mLayer->getFbo());
mRenderState.bindFramebuffer(mLayer->getFbo());
const float width = mLayer->layer.getWidth();
const float height = mLayer->layer.getHeight();
Rect dirty(left, top, right, bottom);
if (dirty.isEmpty() || (dirty.left <= 0 && dirty.top <= 0 &&
dirty.right >= width && dirty.bottom >= height)) {
mLayer->region.clear();
dirty.set(0.0f, 0.0f, width, height);
} else {
dirty.intersect(0.0f, 0.0f, width, height);
android::Rect r(dirty.left, dirty.top, dirty.right, dirty.bottom);
mLayer->region.subtractSelf(r);
}
mLayer->clipRect.set(dirty);
OpenGLRenderer::prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, opaque);
}
Layer* LayerRenderer::createRenderLayer(RenderState& renderState, uint32_t width, uint32_t height) {
ATRACE_FORMAT("Allocate %ux%u HW Layer", width, height);
LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height);
Caches& caches = Caches::getInstance();
GLuint fbo = caches.fboCache.get();
if (!fbo) {
ALOGW("Could not obtain an FBO");
return nullptr;
}
caches.textureState().activateTexture(0);
Layer* layer = caches.layerCache.get(renderState, width, height);
if (!layer) {
ALOGW("Could not obtain a layer");
return nullptr;
}
// We first obtain a layer before comparing against the max texture size
// because layers are not allocated at the exact desired size. They are
// always created slighly larger to improve recycling
const uint32_t maxTextureSize = caches.maxTextureSize;
if (layer->getWidth() > maxTextureSize || layer->getHeight() > maxTextureSize) {
ALOGW("Layer exceeds max. dimensions supported by the GPU (%dx%d, max=%dx%d)",
width, height, maxTextureSize, maxTextureSize);
// Creating a new layer always increment its refcount by 1, this allows
// us to destroy the layer object if one was created for us
layer->decStrong(nullptr);
return nullptr;
}
layer->setFbo(fbo);
layer->layer.set(0.0f, 0.0f, width, height);
layer->texCoords.set(0.0f, height / float(layer->getHeight()),
width / float(layer->getWidth()), 0.0f);
layer->setAlpha(255, SkXfermode::kSrcOver_Mode);
layer->setColorFilter(nullptr);
layer->setDirty(true);
layer->region.clear();
GLuint previousFbo = renderState.getFramebuffer();
renderState.bindFramebuffer(layer->getFbo());
layer->bindTexture();
// Initialize the texture if needed
if (layer->isEmpty()) {
layer->setEmpty(false);
layer->allocateTexture();
// This should only happen if we run out of memory
if (CC_UNLIKELY(GLUtils::dumpGLErrors())) {
LOG_ALWAYS_FATAL("Could not allocate texture for layer (fbo=%d %dx%d)",
fbo, width, height);
renderState.bindFramebuffer(previousFbo);
layer->decStrong(nullptr);
return nullptr;
}
}
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
layer->getTextureId(), 0);
renderState.bindFramebuffer(previousFbo);
return layer;
}
Layer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) {
LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height);
Caches& caches = Caches::getInstance();
GLuint fbo = caches.fboCache.get();
if (!fbo) {
ALOGW("Could not obtain an FBO");
return NULL;
}
caches.activeTexture(0);
Layer* layer = caches.layerCache.get(width, height);
if (!layer) {
ALOGW("Could not obtain a layer");
return NULL;
}
// We first obtain a layer before comparing against the max texture size
// because layers are not allocated at the exact desired size. They are
// always created slighly larger to improve recycling
const uint32_t maxTextureSize = caches.maxTextureSize;
if (layer->getWidth() > maxTextureSize || layer->getHeight() > maxTextureSize) {
ALOGW("Layer exceeds max. dimensions supported by the GPU (%dx%d, max=%dx%d)",
width, height, maxTextureSize, maxTextureSize);
// Creating a new layer always increment its refcount by 1, this allows
// us to destroy the layer object if one was created for us
Caches::getInstance().resourceCache.decrementRefcount(layer);
return NULL;
}
layer->setFbo(fbo);
layer->layer.set(0.0f, 0.0f, width, height);
layer->texCoords.set(0.0f, height / float(layer->getHeight()),
width / float(layer->getWidth()), 0.0f);
layer->setAlpha(255, SkXfermode::kSrcOver_Mode);
layer->setBlend(!isOpaque);
layer->setColorFilter(NULL);
layer->setDirty(true);
layer->region.clear();
GLuint previousFbo;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo);
glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo());
layer->bindTexture();
// Initialize the texture if needed
if (layer->isEmpty()) {
layer->setEmpty(false);
layer->allocateTexture();
// This should only happen if we run out of memory
if (glGetError() != GL_NO_ERROR) {
ALOGE("Could not allocate texture for layer (fbo=%d %dx%d)", fbo, width, height);
glBindFramebuffer(GL_FRAMEBUFFER, previousFbo);
caches.resourceCache.decrementRefcount(layer);
return NULL;
}
}
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
layer->getTexture(), 0);
glBindFramebuffer(GL_FRAMEBUFFER, previousFbo);
return layer;
}
