void CubeMapTextureGLTest::subImageBuffer() {
constexpr UnsignedByte zero[4*4*4] = {};
constexpr UnsignedByte subData[] = { 0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f };
CubeMapTexture texture;
texture.setImage(CubeMapTexture::Coordinate::PositiveX, 0, TextureFormat::RGBA8,
ImageReference2D(ColorFormat::RGBA, ColorType::UnsignedByte, Vector2i(4), zero));
texture.setSubImage(CubeMapTexture::Coordinate::PositiveX, 0, Vector2i(1),
BufferImage2D(ColorFormat::RGBA, ColorType::UnsignedByte, Vector2i(2), subData, BufferUsage::StaticDraw));
MAGNUM_VERIFY_NO_ERROR();
/** @todo How to test this on ES? */
#ifndef MAGNUM_TARGET_GLES
BufferImage2D image(ColorFormat::RGBA, ColorType::UnsignedByte);
texture.image(CubeMapTexture::Coordinate::PositiveX, 0, image, BufferUsage::StaticRead);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(image.size(), Vector2i(4));
const auto imageData = image.buffer().data<UnsignedByte>();
CORRADE_COMPARE_AS(std::vector<UnsignedByte>(imageData.begin(), imageData.end()), (std::vector<UnsignedByte>{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0, 0, 0, 0,
0, 0, 0, 0, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}), TestSuite::Compare::Container);
#endif
}
void TextureGLTest::subImageBuffer() {
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::texture_rectangle>())
CORRADE_SKIP(Extensions::GL::ARB::texture_rectangle::string() + std::string(" is not supported."));
constexpr UnsignedByte zero[4*4*4] = {};
constexpr UnsignedByte subData[] = { 0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f };
RectangleTexture texture;
texture.setImage(TextureFormat::RGBA8,
ImageReference2D(ColorFormat::RGBA, ColorType::UnsignedByte, Vector2i(4), zero));
texture.setSubImage(Vector2i(1),
BufferImage2D(ColorFormat::RGBA, ColorType::UnsignedByte, Vector2i(2), subData, BufferUsage::StaticDraw));
MAGNUM_VERIFY_NO_ERROR();
BufferImage2D image(ColorFormat::RGBA, ColorType::UnsignedByte);
texture.image(image, BufferUsage::StaticRead);
const auto imageData = image.buffer().data<UnsignedByte>();
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(image.size(), Vector2i(4));
CORRADE_COMPARE_AS(std::vector<UnsignedByte>(imageData.begin(), imageData.end()), (std::vector<UnsignedByte>{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0, 0, 0, 0,
0, 0, 0, 0, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}), TestSuite::Compare::Container);
}
void CubeMapTextureGLTest::imageBuffer() {
CubeMapTexture texture;
texture.setImage(CubeMapTexture::Coordinate::PositiveX, 0, TextureFormat::RGBA8,
BufferImage2D(ColorFormat::RGBA, ColorType::UnsignedByte, Vector2i(2), Data, BufferUsage::StaticDraw));
MAGNUM_VERIFY_NO_ERROR();
/** @todo How to test this on ES? */
#ifndef MAGNUM_TARGET_GLES
BufferImage2D image = texture.image(CubeMapTexture::Coordinate::PositiveX, 0, {ColorFormat::RGBA, ColorType::UnsignedByte}, BufferUsage::StaticRead);
const auto imageData = image.buffer().data<UnsignedByte>();
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(image.size(), Vector2i(2));
CORRADE_COMPARE_AS(imageData, Containers::ArrayReference<const UnsignedByte>{Data}, TestSuite::Compare::Container);
#endif
}
