void Framebuffer::buildColorAttachment()
{
Texture::Pointer target = buildTexture(_description.size, _description.target,
_description.colorInternalformat, _description.colorFormat, _description.colorType);
target->setWrap(_rc, TextureWrap::ClampToEdge, TextureWrap::ClampToEdge);
addRenderTarget(target);
}
void RenderState::bindTexture(uint32_t unit, const Texture::Pointer& texture, bool force)
{
#if !defined(ET_CONSOLE_APPLICATION)
if (texture.valid())
bindTexture(unit, static_cast<uint32_t>(texture->apiHandle()), texture->target(), force);
else
bindTexture(unit, 0, TextureTarget::Texture_2D, force);
#endif
}
void Framebuffer::buildDepthAttachment()
{
Texture::Pointer target = buildTexture(_description.size, _description.target,
_description.depthInternalformat, _description.depthFormat, _description.depthType);
target->setWrap(_rc, TextureWrap::ClampToEdge, TextureWrap::ClampToEdge);
setDepthTarget(target);
}
void Renderer::renderTexture(const Texture::Pointer& texture, const vec2i& position, const vec2i& size, const vec4& tint)
{
#if !defined(ET_CONSOLE_APPLICATION)
if (texture.invalid()) return;
vec2i sz;
sz.x = (size.x == -1) ? texture->width() : size.x;
sz.y = (size.y == -1) ? texture->height() : size.y;
renderTexture(texture, currentViewportCoordinatesToScene(position + vec2i(0, sz.y)), currentViewportSizeToScene(sz), tint);
#endif
}
void Renderer::renderFullscreenTexture(const Texture::Pointer& texture, const vec4& tint)
{
#if !defined(ET_CONSOLE_APPLICATION)
auto prog = _fullscreenProgram[static_cast<int>(texture->target())];
_rc->renderState().bindTexture(_defaultTextureBindingUnit, texture);
_rc->renderState().bindProgram(prog);
prog->setUniform("color_texture_size", texture->sizeFloat());
prog->setUniform("tint", tint);
fullscreenPass();
#endif
}
void Material::textureDidLoad(Texture::Pointer t)
{
ET_ASSERT(t.valid());
uint32_t invalidParameter = static_cast<uint32_t>(-1);
uint32_t param = invalidParameter;
for (uint32_t i = 0; i < MaterialParameter_max; ++i)
{
if ((_defaultTextureParameters[i].value == t) && (_texturesToLoad.count(i) > 0))
{
param = i;
break;
}
}
if (param == invalidParameter)
{
for (const auto& p : _customTextureParameters)
{
if ((p.second == t) && (_texturesToLoad.count(p.first) > 0))
{
param = p.first;
break;
}
}
}
ET_ASSERT(param != invalidParameter);
_texturesToLoad.erase(param);
if (_texturesToLoad.size() == 0)
loaded.invokeInMainRunLoop(this);
}
void Material::textureDidStartLoading(Texture::Pointer t)
{
ET_ASSERT(t.valid());
#if (ET_DEBUG)
bool pendingTextureFound = false;
for (uint32_t i = 0; i < MaterialParameter_max; ++i)
{
if ((_defaultTextureParameters[i].value == t) && (_texturesToLoad.count(i) > 0))
{
pendingTextureFound = true;
break;
}
}
for (const auto& p : _customTextureParameters)
{
if ((p.second == t) && (_texturesToLoad.count(p.first) > 0))
{
pendingTextureFound = true;
break;
}
}
ET_ASSERT(pendingTextureFound);
#endif
}
void Framebuffer::addSameRendertarget()
{
if (_description.colorIsRenderbuffer)
{
ET_ASSERT(!_colorRenderBuffers.empty());
uint32_t newRenderTarget = buildColorRenderbuffer(0);
_colorRenderBuffers.push_back(newRenderTarget);
setColorRenderbuffer(newRenderTarget, 1);
}
else
{
ET_ASSERT(!_renderTargets.empty());
const Texture::Pointer& basic = _renderTargets.front();
Texture::Pointer target = buildTexture(vec3i(basic->size(), basic->description()->layersCount),
basic->target(), basic->internalFormat(), basic->format(), basic->dataType());
target->setName(name() + "_color_" + intToStr(_renderTargets.size() + 1));
target->setWrap(_rc, TextureWrap::ClampToEdge, TextureWrap::ClampToEdge);
addRenderTarget(target);
}
}
void Framebuffer::setCurrentRenderTarget(const Texture::Pointer& texture)
{
ET_ASSERT(texture.valid());
attachTexture(texture, GL_COLOR_ATTACHMENT0);
}
void Framebuffer::attachTexture(Texture::Pointer rt, uint32_t target)
{
if (rt.invalid() || (rt->size() != _description.size.xy())) return;
ET_ASSERT(glIsTexture(static_cast<uint32_t>(rt->apiHandle())));
_rc->renderState().bindFramebuffer(static_cast<uint32_t>(apiHandle()));
if ((rt->target() == TextureTarget::Texture_2D) || (rt->target() == TextureTarget::Texture_Rectangle))
{
glFramebufferTexture2D(GL_FRAMEBUFFER, target, textureTargetValue(rt->target()),
static_cast<uint32_t>(rt->apiHandle()), 0);
checkOpenGLError("glFramebufferTexture2D(...) - %s", name().c_str());
}
else if (rt->target() == TextureTarget::Texture_Cube)
{
for (GLenum i = 0; i < 6; ++i)
{
glFramebufferTexture2D(GL_FRAMEBUFFER, target, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
static_cast<uint32_t>(rt->apiHandle()), 0);
checkOpenGLError("glFramebufferTexture2D(...) - %s", name().c_str());
}
}
#if (!ET_OPENGLES)
else if (rt->target() == TextureTarget::Texture_2D_Array)
{
glFramebufferTexture(GL_FRAMEBUFFER, target, static_cast<GLuint>(rt->apiHandle()), 0);
checkOpenGLError("glFramebufferTexture(...) - %s", name().c_str());
}
#endif
}
Texture::Pointer TextureFactory::loadTexture(const std::string& fileName, ObjectsCache& cache,
bool async, TextureLoaderDelegate* delegate)
{
if (fileName.length() == 0)
return Texture::Pointer();
CriticalSectionScope lock(_csTextureLoading);
auto file = resolveTextureName(fileName);
if (!fileExists(file))
return Texture::Pointer();
uint64_t cachedFileProperty = 0;
Texture::Pointer texture = cache.findAnyObject(file, &cachedFileProperty);
if (texture.invalid())
{
TextureDescription::Pointer desc =
async ? et::loadTextureDescription(file, false) : et::loadTexture(file);
int maxTextureSize = static_cast<int>(RenderingCapabilities::instance().maxTextureSize());
if ((desc->size.x > maxTextureSize) || (desc->size.y > maxTextureSize))
{
log::warning("Attempt to load texture with dimensions (%d x %d) larger than max allowed (%d)",
desc->size.x, desc->size.y, maxTextureSize);
}
if (desc.valid())
{
bool calledFromAnotherThread = !threading::inMainThread();
texture = Texture::Pointer::create(renderContext(), desc, desc->origin(), async || calledFromAnotherThread);
cache.manage(texture, _private->loader);
if (async)
{
_loadingThread->addRequest(desc->origin(), texture, delegate);
}
else if (calledFromAnotherThread)
{
ET_FAIL("ERROR: Unable to load texture synchronously from non-rendering thread.");
}
}
}
else
{
auto newProperty = cache.getFileProperty(file);
if (cachedFileProperty != newProperty)
reloadObject(texture, cache);
if (async)
{
textureDidStartLoading.invokeInMainRunLoop(texture);
if (delegate != nullptr)
{
Invocation1 i;
i.setTarget(delegate, &TextureLoaderDelegate::textureDidStartLoading, texture);
i.invokeInMainRunLoop();
}
textureDidLoad.invokeInMainRunLoop(texture);
if (delegate != nullptr)
{
Invocation1 i;
i.setTarget(delegate, &TextureLoaderDelegate::textureDidLoad, texture);
i.invokeInMainRunLoop();
}
}
}
return texture;
}
Texture::Pointer TextureFactory::loadTexturesToCubemap(const std::string& posx, const std::string& negx,
const std::string& posy, const std::string& negy, const std::string& posz, const std::string& negz,
ObjectsCache& cache)
{
TextureDescription::Pointer layers[6] =
{
et::loadTexture(application().resolveFileName(posx)),
et::loadTexture(application().resolveFileName(negx)),
et::loadTexture(application().resolveFileName(negy)),
et::loadTexture(application().resolveFileName(posy)),
et::loadTexture(application().resolveFileName(posz)),
et::loadTexture(application().resolveFileName(negz))
};
int maxCubemapSize = static_cast<int>(RenderingCapabilities::instance().maxCubemapTextureSize());
for (size_t l = 0; l < 6; ++l)
{
if (layers[l].valid())
{
if ((layers[l]->size.x > maxCubemapSize) || (layers[l]->size.y > maxCubemapSize))
{
log::error("Cubemap %s size of (%d x %d) is larger than allowed %dx%d",
layers[l]->origin().c_str(), layers[l]->size.x, layers[l]->size.y, maxCubemapSize, maxCubemapSize);
return Texture::Pointer();
}
}
else
{
log::error("Unable to load cubemap face.");
return Texture::Pointer();
}
}
std::string texId = layers[0]->origin() + ";";
for (size_t l = 1; l < 6; ++l)
{
texId += (l < 5) ? layers[l]->origin() + ";" : layers[l]->origin();
if ((layers[l-1]->size != layers[l]->size) ||
(layers[l-1]->format != layers[l]->format) ||
(layers[l-1]->internalformat != layers[l]->internalformat) ||
(layers[l-1]->type != layers[l]->type) ||
(layers[l-1]->mipMapCount != layers[l]->mipMapCount) ||
(layers[l-1]->compressed != layers[l]->compressed) ||
(layers[l-1]->data.size() != layers[l]->data.size()))
{
log::error("Failed to load cubemap textures. Textures `%s` and `%s` aren't identical",
layers[l-1]->origin().c_str(), layers[l]->origin().c_str());
return Texture::Pointer();
}
}
size_t layerSize = layers[0]->dataSizeForAllMipLevels();
TextureDescription::Pointer desc = TextureDescription::Pointer::create();
desc->target = TextureTarget::Texture_Cube;
desc->layersCount = 6;
desc->bitsPerPixel = layers[0]->bitsPerPixel;
desc->channels = layers[0]->channels;
desc->compressed = layers[0]->compressed;
desc->format = layers[0]->format;
desc->internalformat = layers[0]->internalformat;
desc->mipMapCount= layers[0]->mipMapCount;
desc->size = layers[0]->size;
desc->type = layers[0]->type;
desc->data.resize(desc->layersCount * layerSize);
for (size_t l = 0; l < desc->layersCount; ++l)
etCopyMemory(desc->data.element_ptr(l * layerSize), layers[l]->data.element_ptr(0), layerSize);
Texture::Pointer result = Texture::Pointer::create(renderContext(), desc, texId, false);
for (size_t i = 0; i < 6; ++i)
result->addOrigin(layers[i]->origin());
cache.manage(result, _private->loader);
return result;
}
