#ifndef _TEST_UTILS_H_ #define _TEST_UTILS_H_ #include #include #include #include #include #include #include #include #include /* We don't really care about functions that are defined without a header for the unit tests so we can just disable it here */ #ifdef __GNUC__ #pragma GCC diagnostic ignored "-Wmissing-declarations" #endif typedef enum _TestFlags { TEST_KNOWN_FAILURE = 1<<0, TEST_REQUIREMENT_GL = 1<<1, TEST_REQUIREMENT_NPOT = 1<<2, TEST_REQUIREMENT_TEXTURE_3D = 1<<3, TEST_REQUIREMENT_TEXTURE_RECTANGLE = 1<<4, TEST_REQUIREMENT_POINT_SPRITE = 1<<5, TEST_REQUIREMENT_GLES2_CONTEXT = 1<<6, TEST_REQUIREMENT_MAP_WRITE = 1<<7, TEST_REQUIREMENT_GLSL = 1<<8, TEST_REQUIREMENT_OFFSCREEN = 1<<9, TEST_REQUIREMENT_FENCE = 1<<10, TEST_REQUIREMENT_PER_VERTEX_POINT_SIZE = 1<<11 } TestFlags; /** * TestUtilsTextureFlags: * @TEST_UTILS_TEXTURE_NONE: No flags specified * @TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP: Disables the automatic generation of * the mipmap pyramid from the base level image whenever it is * updated. The mipmaps are only generated when the texture is * rendered with a mipmap filter so it should be free to leave out * this flag when using other filtering modes * @TEST_UTILS_TEXTURE_NO_SLICING: Disables the slicing of the texture * @TEST_UTILS_TEXTURE_NO_ATLAS: Disables the insertion of the texture inside * the texture atlas used by Cogl * * Flags to pass to the test_utils_texture_new_* family of functions. */ typedef enum { TEST_UTILS_TEXTURE_NONE = 0, TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP = 1 << 0, TEST_UTILS_TEXTURE_NO_SLICING = 1 << 1, TEST_UTILS_TEXTURE_NO_ATLAS = 1 << 2 } TestUtilsTextureFlags; extern CoglContext *test_ctx; extern CoglFramebuffer *test_fb; void test_utils_init (TestFlags requirement_flags, TestFlags known_failure_flags); void test_utils_fini (void); /* * test_utils_texture_new_with_size: * @context: A #CoglContext * @width: width of texture in pixels. * @height: height of texture in pixels. * @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE * @internal_format: the #CoglPixelFormat to use for the GPU storage of the * texture. * * Creates a new #CoglTexture with the specified dimensions and pixel format. * * The storage for the texture is not necesarily created before this * function returns. The storage can be explicitly allocated using * cogl_texture_allocate() or preferably you can let Cogl * automatically allocate the storage lazily when uploading data when * Cogl may know more about how the texture will be used and can * optimize how it is allocated. * * Return value: A newly created #CoglTexture */ CoglTexture * test_utils_texture_new_with_size (CoglContext *ctx, int width, int height, TestUtilsTextureFlags flags, CoglPixelFormat internal_format); /* * test_utils_texture_new_from_data: * @context: A #CoglContext * @width: width of texture in pixels * @height: height of texture in pixels * @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE * @format: the #CoglPixelFormat the buffer is stored in in RAM * @internal_format: the #CoglPixelFormat that will be used for storing * the buffer on the GPU. If COGL_PIXEL_FORMAT_ANY is given then a * premultiplied format similar to the format of the source data will * be used. The default blending equations of Cogl expect premultiplied * color data; the main use of passing a non-premultiplied format here * is if you have non-premultiplied source data and are going to adjust * the blend mode (see cogl_material_set_blend()) or use the data for * something other than straight blending. * @rowstride: the memory offset in bytes between the starts of * scanlines in @data * @data: pointer the memory region where the source buffer resides * @error: A #CoglError to catch exceptional errors or %NULL * * Creates a new #CoglTexture based on data residing in memory. * * Return value: A newly created #CoglTexture or %NULL on failure */ CoglTexture * test_utils_texture_new_from_data (CoglContext *ctx, int width, int height, TestUtilsTextureFlags flags, CoglPixelFormat format, CoglPixelFormat internal_format, int rowstride, const uint8_t *data); /* * test_utils_texture_new_from_bitmap: * @bitmap: A #CoglBitmap pointer * @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE * @internal_format: the #CoglPixelFormat to use for the GPU storage of the * texture * @error: A #CoglError to catch exceptional errors or %NULL * * Creates a #CoglTexture from a #CoglBitmap. * * Return value: A newly created #CoglTexture or %NULL on failure */ CoglTexture * test_utils_texture_new_from_bitmap (CoglBitmap *bitmap, TestUtilsTextureFlags flags, CoglPixelFormat internal_format); /* * test_utils_check_pixel: * @framebuffer: The #CoglFramebuffer to read from * @x: x co-ordinate of the pixel to test * @y: y co-ordinate of the pixel to test * @pixel: An integer of the form 0xRRGGBBAA representing the expected * pixel value * * This performs reads a pixel on the given cogl @framebuffer and * asserts that it matches the given color. The alpha channel of the * color is ignored. The pixels are converted to a string and compared * with g_assert_cmpstr so that if the comparison fails then the * assert will display a meaningful message */ void test_utils_check_pixel (CoglFramebuffer *framebuffer, int x, int y, uint32_t expected_pixel); /** * @framebuffer: The #CoglFramebuffer to read from * @x: x co-ordinate of the pixel to test * @y: y co-ordinate of the pixel to test * @pixel: An integer of the form 0xRRGGBBAA representing the expected * pixel value * * This performs reads a pixel on the given cogl @framebuffer and * asserts that it matches the given color. The alpha channel is also * checked unlike with test_utils_check_pixel(). The pixels are * converted to a string and compared with g_assert_cmpstr so that if * the comparison fails then the assert will display a meaningful * message. */ void test_utils_check_pixel_and_alpha (CoglFramebuffer *fb, int x, int y, uint32_t expected_pixel); /* * test_utils_check_pixel: * @framebuffer: The #CoglFramebuffer to read from * @x: x co-ordinate of the pixel to test * @y: y co-ordinate of the pixel to test * @pixel: An integer of the form 0xrrggbb representing the expected pixel value * * This performs reads a pixel on the given cogl @framebuffer and * asserts that it matches the given color. The alpha channel of the * color is ignored. The pixels are converted to a string and compared * with g_assert_cmpstr so that if the comparison fails then the * assert will display a meaningful message */ void test_utils_check_pixel_rgb (CoglFramebuffer *framebuffer, int x, int y, int r, int g, int b); /* * test_utils_check_region: * @framebuffer: The #CoglFramebuffer to read from * @x: x co-ordinate of the region to test * @y: y co-ordinate of the region to test * @width: width of the region to test * @height: height of the region to test * @pixel: An integer of the form 0xrrggbb representing the expected region color * * Performs a read pixel on the specified region of the given cogl * @framebuffer and asserts that it matches the given color. The alpha * channel of the color is ignored. The pixels are converted to a * string and compared with g_assert_cmpstr so that if the comparison * fails then the assert will display a meaningful message */ void test_utils_check_region (CoglFramebuffer *framebuffer, int x, int y, int width, int height, uint32_t expected_rgba); /* * test_utils_compare_pixel: * @screen_pixel: A pixel stored in memory * @expected_pixel: The expected RGBA value * * Compares a pixel from a buffer to an expected value. The pixels are * converted to a string and compared with g_assert_cmpstr so that if * the comparison fails then the assert will display a meaningful * message. */ void test_utils_compare_pixel (const uint8_t *screen_pixel, uint32_t expected_pixel); /* * test_utils_compare_pixel_and_alpha: * @screen_pixel: A pixel stored in memory * @expected_pixel: The expected RGBA value * * Compares a pixel from a buffer to an expected value. This is * similar to test_utils_compare_pixel() except that it doesn't ignore * the alpha component. */ void test_utils_compare_pixel_and_alpha (const uint8_t *screen_pixel, uint32_t expected_pixel); /* * test_utils_create_color_texture: * @context: A #CoglContext * @color: A color to put in the texture * * Creates a 1x1-pixel RGBA texture filled with the given color. */ CoglTexture * test_utils_create_color_texture (CoglContext *context, uint32_t color); /* cogl_test_verbose: * * Queries if the user asked for verbose output or not. */ CoglBool cogl_test_verbose (void); /* test_util_is_pot: * @number: A number to test * * Returns whether the given integer is a power of two */ static inline CoglBool test_utils_is_pot (unsigned int number) { /* Make sure there is only one bit set */ return (number & (number - 1)) == 0; } #endif /* _TEST_UTILS_H_ */