void RenderablePolyLineEntityItem::createPipeline() { static const int NORMAL_OFFSET = 12; static const int COLOR_OFFSET = 24; static const int TEXTURE_OFFSET = 28; auto textureCache = DependencyManager::get<TextureCache>(); QString path = PathUtils::resourcesPath() + "images/paintStroke.png"; _texture = textureCache->getImageTexture(path); _format.reset(new gpu::Stream::Format()); _format->setAttribute(gpu::Stream::POSITION, 0, gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ), 0); _format->setAttribute(gpu::Stream::NORMAL, 0, gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ), NORMAL_OFFSET); _format->setAttribute(gpu::Stream::COLOR, 0, gpu::Element::COLOR_RGBA_32, COLOR_OFFSET); _format->setAttribute(gpu::Stream::TEXCOORD, 0, gpu::Element(gpu::VEC2, gpu::FLOAT, gpu::UV), TEXTURE_OFFSET); auto VS = gpu::ShaderPointer(gpu::Shader::createVertex(std::string(paintStroke_vert))); auto PS = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(paintStroke_frag))); gpu::ShaderPointer program = gpu::ShaderPointer(gpu::Shader::createProgram(VS, PS)); gpu::Shader::BindingSet slotBindings; PAINTSTROKE_GPU_SLOT = 0; slotBindings.insert(gpu::Shader::Binding(std::string("paintStrokeTextureBinding"), PAINTSTROKE_GPU_SLOT)); gpu::Shader::makeProgram(*program, slotBindings); gpu::StatePointer state = gpu::StatePointer(new gpu::State()); state->setDepthTest(true, true, gpu::LESS_EQUAL); state->setBlendFunction(true, gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA, gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE); _pipeline = gpu::PipelinePointer(gpu::Pipeline::create(program, state)); }
const gpu::TexturePointer& TextureCache::getNormalFittingTexture() { if (!_normalFittingTexture) { _normalFittingTexture = getImageTexture(PathUtils::resourcesPath() + "images/normalFittingScale.dds"); } return _normalFittingTexture; }
const gpu::TexturePointer& TextureCache::getPermutationNormalTexture() { if (!_permutationNormalTexture) { // the first line consists of random permutation offsets unsigned char data[256 * 2 * 3]; #if (USE_CHRIS_NOISE==1) for (int i = 0; i < 256; i++) { data[3*i+0] = permutation[i]; data[3*i+1] = permutation[i]; data[3*i+2] = permutation[i]; #else for (int i = 0; i < 256 * 3; i++) { data[i] = rand() % 256; #endif } for (int i = 256 * 3; i < 256 * 3 * 2; i += 3) { glm::vec3 randvec = glm::sphericalRand(1.0f); data[i] = ((randvec.x + 1.0f) / 2.0f) * 255.0f; data[i + 1] = ((randvec.y + 1.0f) / 2.0f) * 255.0f; data[i + 2] = ((randvec.z + 1.0f) / 2.0f) * 255.0f; } _permutationNormalTexture = gpu::TexturePointer(gpu::Texture::create2D(gpu::Element(gpu::VEC3, gpu::NUINT8, gpu::RGB), 256, 2)); _permutationNormalTexture->assignStoredMip(0, _blueTexture->getTexelFormat(), sizeof(data), data); } return _permutationNormalTexture; } const unsigned char OPAQUE_WHITE[] = { 0xFF, 0xFF, 0xFF, 0xFF }; const unsigned char OPAQUE_GRAY[] = { 0x80, 0x80, 0x80, 0xFF }; const unsigned char OPAQUE_BLUE[] = { 0x80, 0x80, 0xFF, 0xFF }; const unsigned char OPAQUE_BLACK[] = { 0x00, 0x00, 0x00, 0xFF }; const gpu::TexturePointer& TextureCache::getWhiteTexture() { if (!_whiteTexture) { _whiteTexture = gpu::TexturePointer(gpu::Texture::create2D(gpu::Element::COLOR_RGBA_32, 1, 1)); _whiteTexture->assignStoredMip(0, _whiteTexture->getTexelFormat(), sizeof(OPAQUE_WHITE), OPAQUE_WHITE); } return _whiteTexture; } const gpu::TexturePointer& TextureCache::getGrayTexture() { if (!_grayTexture) { _grayTexture = gpu::TexturePointer(gpu::Texture::create2D(gpu::Element::COLOR_RGBA_32, 1, 1)); _grayTexture->assignStoredMip(0, _whiteTexture->getTexelFormat(), sizeof(OPAQUE_WHITE), OPAQUE_GRAY); } return _grayTexture; } const gpu::TexturePointer& TextureCache::getBlueTexture() { if (!_blueTexture) { _blueTexture = gpu::TexturePointer(gpu::Texture::create2D(gpu::Element::COLOR_RGBA_32, 1, 1)); _blueTexture->assignStoredMip(0, _blueTexture->getTexelFormat(), sizeof(OPAQUE_BLUE), OPAQUE_BLUE); } return _blueTexture; } const gpu::TexturePointer& TextureCache::getBlackTexture() { if (!_blackTexture) { _blackTexture = gpu::TexturePointer(gpu::Texture::create2D(gpu::Element::COLOR_RGBA_32, 1, 1)); _blackTexture->assignStoredMip(0, _whiteTexture->getTexelFormat(), sizeof(OPAQUE_BLACK), OPAQUE_BLACK); } return _blackTexture; } const gpu::TexturePointer& TextureCache::getNormalFittingTexture() { if (!_normalFittingTexture) { _normalFittingTexture = getImageTexture(PathUtils::resourcesPath() + "images/normalFittingScale.dds"); } return _normalFittingTexture; } /// Extra data for creating textures. class TextureExtra { public: TextureType type; const QByteArray& content; }; NetworkTexturePointer TextureCache::getTexture(const QUrl& url, TextureType type, const QByteArray& content) { TextureExtra extra = { type, content }; return ResourceCache::getResource(url, QUrl(), false, &extra).staticCast<NetworkTexture>(); }