Exemple #1
0
bool Texture3D::Create()
{
    Release();

#ifdef GL_ES_VERSION_2_0
    URHO3D_LOGERROR("Failed to create 3D texture, currently unsupported on OpenGL ES 2");
    return false;
#else
    if (!graphics_ || !width_ || !height_ || !depth_)
        return false;

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture creation while device is lost");
        return true;
    }

    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    unsigned externalFormat = GetExternalFormat(format_);
    unsigned dataType = GetDataType(format_);

    glGenTextures(1, &object_.name_);

    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);

    // If not compressed, create the initial level 0 texture with null data
    bool success = true;

    if (!IsCompressed())
    {
        glGetError();
        glTexImage3D(target_, 0, format, width_, height_, depth_, 0, externalFormat, dataType, 0);
        if (glGetError())
        {
            URHO3D_LOGERROR("Failed to create texture");
            success = false;
        }
    }

    // Set mipmapping
    levels_ = CheckMaxLevels(width_, height_, depth_, requestedLevels_);
    glTexParameteri(target_, GL_TEXTURE_BASE_LEVEL, 0);
    glTexParameteri(target_, GL_TEXTURE_MAX_LEVEL, levels_ - 1);

    // Set initial parameters, then unbind the texture
    UpdateParameters();
    graphics_->SetTexture(0, 0);

    return success;
#endif
}
Exemple #2
0
bool Texture3D::Create()
{
    Release();

#ifdef GL_ES_VERSION_2_0
    URHO3D_LOGERROR("Failed to create 3D texture, currently unsupported on OpenGL ES 2");
    return false;
#else
    if (!graphics_ || !width_ || !height_ || !depth_)
        return false;

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture creation while device is lost");
        return true;
    }

    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    unsigned externalFormat = GetExternalFormat(format_);
    unsigned dataType = GetDataType(format_);

    glGenTextures(1, &object_);

    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);

    // If not compressed, create the initial level 0 texture with null data
    bool success = true;

    if (!IsCompressed())
    {
        glGetError();
        glTexImage3D(target_, 0, format, width_, height_, depth_, 0, externalFormat, dataType, 0);
        if (glGetError())
        {
            URHO3D_LOGERROR("Failed to create texture");
            success = false;
        }
    }

    // Set mipmapping
    levels_ = requestedLevels_;
    if (!levels_)
    {
        unsigned maxSize = (unsigned)Max(Max((int)width_, (int)height_), (int)depth_);
        while (maxSize)
        {
            maxSize >>= 1;
            ++levels_;
        }
    }
Exemple #3
0
bool TextureCube::Create()
{
    Release();
    
    if (!graphics_ || !width_ || !height_)
        return false;
    
    if (graphics_->IsDeviceLost())
    {
        LOGWARNING("Texture creation while device is lost");
        return true;
    }
    
    glGenTextures(1, &object_);
    
    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);
    
    // If not compressed, create the initial level 0 texture with null data
    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    unsigned externalFormat = GetExternalFormat(format_);
    unsigned dataType = GetDataType(format_);
    
    bool success = true;
    if (!IsCompressed())
    {
        glGetError();
        for (unsigned i = 0; i < MAX_CUBEMAP_FACES; ++i)
        {
            glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, format, width_, height_, 0, externalFormat, dataType, 0);
            if (glGetError())
                success = false;
        }
    }
    if (!success)
        LOGERROR("Failed to create texture");
    
    // Set mipmapping
    levels_ = requestedLevels_;
    if (!levels_)
    {
        unsigned maxSize = Max((int)width_, (int)height_);
        while (maxSize)
        {
            maxSize >>= 1;
            ++levels_;
        }
    }
Exemple #4
0
bool Texture2D::Create()
{
    Release();

    if (!graphics_ || !width_ || !height_)
        return false;

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture creation while device is lost");
        return true;
    }

    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    unsigned externalFormat = GetExternalFormat(format_);
    unsigned dataType = GetDataType(format_);

    // Create a renderbuffer instead of a texture if depth texture is not properly supported, or if this will be a packed
    // depth stencil texture
#ifndef GL_ES_VERSION_2_0
    if (format == Graphics::GetDepthStencilFormat())
#else
    if (format == GL_DEPTH_COMPONENT16 || format == GL_DEPTH_COMPONENT24_OES || format == GL_DEPTH24_STENCIL8_OES ||
        (format == GL_DEPTH_COMPONENT && !graphics_->GetShadowMapFormat()))
#endif
    {
        if (renderSurface_)
        {
            renderSurface_->CreateRenderBuffer(width_, height_, format);
            return true;
        }
        else
            return false;
    }

    glGenTextures(1, &object_);

    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);

    // If not compressed, create the initial level 0 texture with null data
    bool success = true;

    if (!IsCompressed())
    {
        glGetError();
        glTexImage2D(target_, 0, format, width_, height_, 0, externalFormat, dataType, 0);
        if (glGetError())
        {
            URHO3D_LOGERROR("Failed to create texture");
            success = false;
        }
    }

    // Set mipmapping
    levels_ = requestedLevels_;
    if (!levels_)
    {
        unsigned maxSize = Max((int)width_, (int)height_);
        while (maxSize)
        {
            maxSize >>= 1;
            ++levels_;
        }
    }
Exemple #5
0
bool Texture2D::SetData(unsigned level, int x, int y, int width, int height, const void* data)
{
    URHO3D_PROFILE(SetTextureData);

    if (!object_ || !graphics_)
    {
        URHO3D_LOGERROR("No texture created, can not set data");
        return false;
    }

    if (!data)
    {
        URHO3D_LOGERROR("Null source for setting data");
        return false;
    }

    if (level >= levels_)
    {
        URHO3D_LOGERROR("Illegal mip level for setting data");
        return false;
    }

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture data assignment while device is lost");
        dataPending_ = true;
        return true;
    }

    if (IsCompressed())
    {
        x &= ~3;
        y &= ~3;
    }

    int levelWidth = GetLevelWidth(level);
    int levelHeight = GetLevelHeight(level);
    if (x < 0 || x + width > levelWidth || y < 0 || y + height > levelHeight || width <= 0 || height <= 0)
    {
        URHO3D_LOGERROR("Illegal dimensions for setting data");
        return false;
    }

    graphics_->SetTextureForUpdate(this);

    bool wholeLevel = x == 0 && y == 0 && width == levelWidth && height == levelHeight;
    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;

    if (!IsCompressed())
    {
        if (wholeLevel)
            glTexImage2D(target_, level, format, width, height, 0, GetExternalFormat(format_), GetDataType(format_), data);
        else
            glTexSubImage2D(target_, level, x, y, width, height, GetExternalFormat(format_), GetDataType(format_), data);
    }
    else
    {
        if (wholeLevel)
            glCompressedTexImage2D(target_, level, format, width, height, 0, GetDataSize(width, height), data);
        else
            glCompressedTexSubImage2D(target_, level, x, y, width, height, format, GetDataSize(width, height), data);
    }

    graphics_->SetTexture(0, 0);
    return true;
}
Exemple #6
0
bool Texture2D::Create()
{
    Release();

    if (!graphics_ || !width_ || !height_)
        return false;

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture creation while device is lost");
        return true;
    }

#ifdef GL_ES_VERSION_2_0
    if (multiSample_ > 1)
    {
        URHO3D_LOGWARNING("Multisampled texture is not supported on OpenGL ES");
        multiSample_ = 1;
        autoResolve_ = false;
    }
#endif

    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    unsigned externalFormat = GetExternalFormat(format_);
    unsigned dataType = GetDataType(format_);

    // Create a renderbuffer instead of a texture if depth texture is not properly supported, or if this will be a packed
    // depth stencil texture
#ifndef GL_ES_VERSION_2_0
    if (format == Graphics::GetDepthStencilFormat())
#else
    if (format == GL_DEPTH_COMPONENT16 || format == GL_DEPTH_COMPONENT24_OES || format == GL_DEPTH24_STENCIL8_OES ||
        (format == GL_DEPTH_COMPONENT && !graphics_->GetShadowMapFormat()))
#endif
    {
        if (renderSurface_)
        {
            renderSurface_->CreateRenderBuffer(width_, height_, format, multiSample_);
            return true;
        }
        else
            return false;
    }
    else
    {
        if (multiSample_ > 1)
        {
            if (autoResolve_)
            {
                // Multisample with autoresolve: create a renderbuffer for rendering, but also a texture
                renderSurface_->CreateRenderBuffer(width_, height_, format, multiSample_);
            }
            else
            {
                // Multisample without autoresolve: create a texture only
#ifndef GL_ES_VERSION_2_0
                if (!Graphics::GetGL3Support() && !GLEW_ARB_texture_multisample)
                {
                    URHO3D_LOGERROR("Multisampled texture extension not available");
                    return false;
                }

                target_ = GL_TEXTURE_2D_MULTISAMPLE;
                if (renderSurface_)
                    renderSurface_->target_ = GL_TEXTURE_2D_MULTISAMPLE;
#endif
            }
        }
    }

    glGenTextures(1, &object_.name_);

    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);

    // If not compressed, create the initial level 0 texture with null data
    bool success = true;

    if (!IsCompressed())
    {
        glGetError();
#ifndef GL_ES_VERSION_2_0
        if (multiSample_ > 1 && !autoResolve_)
            glTexImage2DMultisample(target_, multiSample_, format, width_, height_, GL_TRUE);
        else
#endif
        glTexImage2D(target_, 0, format, width_, height_, 0, externalFormat, dataType, 0);
        if (glGetError())
        {
            URHO3D_LOGERROR("Failed to create texture");
            success = false;
        }
    }

    // Set mipmapping
    if (usage_ == TEXTURE_DEPTHSTENCIL)
        requestedLevels_ = 1;
    else if (usage_ == TEXTURE_RENDERTARGET)
    {
#ifdef __EMSCRIPTEN__
        // glGenerateMipmap appears to not be working on WebGL, disable rendertarget mipmaps for now
        requestedLevels_ = 1;
#else
        if (requestedLevels_ != 1)
        {
            // Generate levels for the first time now
            RegenerateLevels();
            // Determine max. levels automatically
            requestedLevels_ = 0;
        }
#endif
    }

    levels_ = CheckMaxLevels(width_, height_, requestedLevels_);
#ifndef GL_ES_VERSION_2_0
    glTexParameteri(target_, GL_TEXTURE_BASE_LEVEL, 0);
    glTexParameteri(target_, GL_TEXTURE_MAX_LEVEL, levels_ - 1);
#endif

    // Set initial parameters, then unbind the texture
    UpdateParameters();
    graphics_->SetTexture(0, 0);

    return success;
}
bool TextureCube::SetData(CubeMapFace face, unsigned level, int x, int y, int width, int height, const void* data)
{
    if (!object_ || !graphics_)
    {
        LOGERROR("No texture created, can not set data");
        return false;
    }
    
    if (!data)
    {
        LOGERROR("Null source for setting data");
        return false;
    }
    
    if (level >= levels_)
    {
        LOGERROR("Illegal mip level for setting data");
        return false;
    }
    
    if (graphics_->IsDeviceLost())
    {
        LOGWARNING("Texture data assignment while device is lost");
        dataPending_ = true;
        return true;
    }
    
    if (IsCompressed())
    {
        x &= ~3;
        y &= ~3;
    }
    
    int levelWidth = GetLevelWidth(level);
    int levelHeight = GetLevelHeight(level);
    if (x < 0 || x + width > levelWidth || y < 0 || y + height > levelHeight || width <= 0 || height <= 0)
    {
        LOGERROR("Illegal dimensions for setting data");
        return false;
    }
    
    bool wholeLevel = x == 0 && y == 0 && width == levelWidth && height == levelHeight;
    // Use Direct3D convention with the vertical coordinates ie. 0 is top
    y = levelHeight - (y + height);
    
    graphics_->SetTextureForUpdate(this);
    
    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    
    if (!IsCompressed())
    {
        if (wholeLevel)
            glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level, format, width, height, 0, GetExternalFormat(format_),
                GetDataType(format_), data);
        else
            glTexSubImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level, x, y, width, height, GetExternalFormat(format_),
                GetDataType(format_), data);
    }
    else
    {
        if (wholeLevel)
            glCompressedTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level, format, width, height, 0,
                GetDataSize(width, height), data);
        else
            glCompressedTexSubImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level, x, y, width, height, format,
                GetDataSize(width, height), data);
    }
    
    graphics_->SetTexture(0, 0);
    return true;
}
Exemple #8
0
bool TextureCube::Create()
{
    Release();

    if (!graphics_ || !width_ || !height_)
        return false;

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture creation while device is lost");
        return true;
    }

#ifdef GL_ES_VERSION_2_0
    if (multiSample_ > 1)
    {
        URHO3D_LOGWARNING("Multisampled texture is not supported on OpenGL ES");
        multiSample_ = 1;
        autoResolve_ = false;
    }
#endif

    glGenTextures(1, &object_.name_);

    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);

    // If not compressed, create the initial level 0 texture with null data
    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    unsigned externalFormat = GetExternalFormat(format_);
    unsigned dataType = GetDataType(format_);

    // If multisample, create renderbuffers for each face
    if (multiSample_ > 1)
    {
        for (auto& renderSurface : renderSurfaces_)
            renderSurface->CreateRenderBuffer(width_, height_, format, multiSample_);
    }

    bool success = true;
    if (!IsCompressed())
    {
        glGetError();
        for (unsigned i = 0; i < MAX_CUBEMAP_FACES; ++i)
        {
            glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, format, width_, height_, 0, externalFormat, dataType, nullptr);
            if (glGetError())
                success = false;
        }
    }
    if (!success)
        URHO3D_LOGERROR("Failed to create texture");

    // Set mipmapping
    if (usage_ == TEXTURE_DEPTHSTENCIL || usage_ == TEXTURE_DYNAMIC)
        requestedLevels_ = 1;
    else if (usage_ == TEXTURE_RENDERTARGET)
    {
#if defined(__EMSCRIPTEN__) || defined(IOS) || defined(TVOS)
        // glGenerateMipmap appears to not be working on WebGL or iOS/tvOS, disable rendertarget mipmaps for now
        requestedLevels_ = 1;
#else
        if (requestedLevels_ != 1)
        {
            // Generate levels for the first time now
            RegenerateLevels();
            // Determine max. levels automatically
            requestedLevels_ = 0;
        }
#endif
    }

    levels_ = CheckMaxLevels(width_, height_, requestedLevels_);
#ifndef GL_ES_VERSION_2_0
    glTexParameteri(target_, GL_TEXTURE_BASE_LEVEL, 0);
    glTexParameteri(target_, GL_TEXTURE_MAX_LEVEL, levels_ - 1);
#endif

    // Set initial parameters, then unbind the texture
    UpdateParameters();
    graphics_->SetTexture(0, nullptr);

    return success;
}
bool TextureCube::Create()
{
    Release();

    if (!graphics_ || !width_ || !height_)
        return false;

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture creation while device is lost");
        return true;
    }

    glGenTextures(1, &object_);

    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);

    // If not compressed, create the initial level 0 texture with null data
    GLenum format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    GLenum externalFormat = GetExternalFormat(format_);
    GLenum dataType = GetDataType(format_);
    // If multisample, create renderbuffers for each face
    if (multiSample_ > 1)
    {
        for (unsigned i = 0; i < MAX_CUBEMAP_FACES; ++i)
            renderSurfaces_[i]->CreateRenderBuffer(width_, height_, format, multiSample_);
    }

    bool success = true;
    if (!IsCompressed())
    {
        glGetError();
        for (unsigned i = 0; i < MAX_CUBEMAP_FACES; ++i)
        {
            glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, format, width_, height_, 0, externalFormat, dataType, nullptr);
            if (GL_NO_ERROR!=glGetError())
                success = false;
        }
    }
    if (!success)
        URHO3D_LOGERROR("Failed to create texture");

    // Set mipmapping
    if (usage_ == TEXTURE_DEPTHSTENCIL)
        requestedLevels_ = 1;
    else if (usage_ == TEXTURE_RENDERTARGET)
    {
        if (requestedLevels_ != 1)
        {
            // Generate levels for the first time now
            RegenerateLevels();
            // Determine max. levels automatically
            requestedLevels_ = 0;
        }
    }
    levels_ = CheckMaxLevels(width_, height_, requestedLevels_);

    glTexParameteri(target_, GL_TEXTURE_BASE_LEVEL, 0);
    glTexParameteri(target_, GL_TEXTURE_MAX_LEVEL, levels_ - 1);

    // Set initial parameters, then unbind the texture
    UpdateParameters();
    graphics_->SetTexture(0, nullptr);

    return success;
}
bool Texture2DArray::Create()
{
    Release();

#ifdef GL_ES_VERSION_2_0
    URHO3D_LOGERROR("Failed to create 2D array texture, currently unsupported on OpenGL ES 2");
    return false;
#else

    if (!graphics_ || !width_ || !height_ || !layers_)
        return false;

    if (graphics_->IsDeviceLost())
    {
        URHO3D_LOGWARNING("Texture array creation while device is lost");
        return true;
    }

    glGenTextures(1, &object_.name_);

    // Ensure that our texture is bound to OpenGL texture unit 0
    graphics_->SetTextureForUpdate(this);

    unsigned format = GetSRGB() ? GetSRGBFormat(format_) : format_;
    unsigned externalFormat = GetExternalFormat(format_);
    unsigned dataType = GetDataType(format_);

    // If not compressed, create the initial level 0 texture with null data
    bool success = true;
    if (!IsCompressed())
    {
        glGetError();
        glTexImage3D(target_, 0, format, width_, height_, layers_, 0, externalFormat, dataType, 0);
        if (glGetError())
            success = false;
    }
    if (!success)
        URHO3D_LOGERROR("Failed to create texture array");

    // Set mipmapping
    if (usage_ == TEXTURE_DEPTHSTENCIL)
        requestedLevels_ = 1;
    else if (usage_ == TEXTURE_RENDERTARGET)
    {
#ifdef __EMSCRIPTEN__
        // glGenerateMipmap appears to not be working on WebGL, disable rendertarget mipmaps for now
        requestedLevels_ = 1;
#else
        if (requestedLevels_ != 1)
        {
            // Generate levels for the first time now
            RegenerateLevels();
            // Determine max. levels automatically
            requestedLevels_ = 0;
        }
#endif
    }

    levels_ = CheckMaxLevels(width_, height_, requestedLevels_);
    glTexParameteri(target_, GL_TEXTURE_BASE_LEVEL, 0);
    glTexParameteri(target_, GL_TEXTURE_MAX_LEVEL, levels_ - 1);

    // Set initial parameters, then unbind the texture
    UpdateParameters();
    graphics_->SetTexture(0, 0);

    return success;
#endif
}