C++ (Cpp) initPixelFormatFields Examples

Example #1

File: Texture.cpp Project: respu/xsilium-engine

//----------------------------------------------------------------------------//
void OpenGLESTexture::loadFromMemory(const void* buffer,
                                     const Sizef& buffer_size,
                                     PixelFormat pixel_format)
{
    if (!isPixelFormatSupported(pixel_format))
        CEGUI_THROW(InvalidRequestException(
            "Data was supplied in an unsupported pixel format."));
    
    initPixelFormatFields(pixel_format);
    setTextureSize_impl(buffer_size);

    // store size of original data we are loading
    d_dataSize = buffer_size;
    // update scale values
    updateCachedScaleValues();

    // save old texture binding
    GLuint old_tex;
    glGetIntegerv(GL_TEXTURE_BINDING_2D, reinterpret_cast<GLint*>(&old_tex));

    // do the real work of getting the data into the texture
    glBindTexture(GL_TEXTURE_2D, d_ogltexture);

    if (d_isCompressed)
        loadCompressedTextureBuffer(buffer_size, buffer);
    else
        loadUncompressedTextureBuffer(buffer_size, buffer);

    // restore previous texture binding.
    glBindTexture(GL_TEXTURE_2D, old_tex);
}

Example #2

File: Texture.cpp Project: Toby91/DDEngine

//----------------------------------------------------------------------------//
void OpenGLESTexture::setTextureSize(const Sizef& sz)
{
    initPixelFormatFields(PF_RGBA);

    setTextureSize_impl(sz);

    d_dataSize = d_size;
    updateCachedScaleValues();
}

Example #3

File: Texture.cpp Project: Toby91/DDEngine

//----------------------------------------------------------------------------//
OpenGLESTexture::OpenGLESTexture(OpenGLESRenderer& owner, const String& name) :
    d_size(0, 0),
    d_grabBuffer(0),
    d_dataSize(0, 0),
    d_texelScaling(0, 0),
    d_owner(owner),
    d_name(name)
{
    initPixelFormatFields(PF_RGBA);
    generateOpenGLESTexture();
}

Example #4

File: Texture.cpp Project: Toby91/DDEngine

//----------------------------------------------------------------------------//
OpenGLESTexture::OpenGLESTexture(OpenGLESRenderer& owner, const String& name,
                                 GLuint tex, const Sizef& size) :
    d_ogltexture(tex),
    d_size(size),
    d_grabBuffer(0),
    d_dataSize(size),
    d_owner(owner),
    d_name(name)
{
    initPixelFormatFields(PF_RGBA);
    updateCachedScaleValues();
}

Example #5

File: Texture.cpp Project: Toby91/DDEngine

//----------------------------------------------------------------------------//
OpenGLESTexture::OpenGLESTexture(OpenGLESRenderer& owner, const String& name,
                                 const String& filename,
                                 const String& resourceGroup) :
    d_size(0, 0),
    d_grabBuffer(0),
    d_dataSize(0, 0),
    d_owner(owner),
    d_name(name)
{
    initPixelFormatFields(PF_RGBA);
    generateOpenGLESTexture();
    loadFromFile(filename, resourceGroup);
}

Example #6

File: Texture.cpp Project: Toby91/DDEngine

//----------------------------------------------------------------------------//
void OpenGLESTexture::loadFromMemory(const void* buffer,
                                     const Sizef& buffer_size,
                                     PixelFormat pixel_format)
{
    if (!isPixelFormatSupported(pixel_format))
        CEGUI_THROW(InvalidRequestException(
            "Data was supplied in an unsupported pixel format."));
    
    initPixelFormatFields(pixel_format);
    setTextureSize_impl(buffer_size);

    // store size of original data we are loading
    d_dataSize = buffer_size;
    updateCachedScaleValues();

    blitFromMemory(buffer, Rectf(Vector2f(0, 0), buffer_size));
}