287 lines
10 KiB
C
287 lines
10 KiB
C
#ifndef _TEST_UTILS_H_
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#define _TEST_UTILS_H_
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/* NB: This header is for private and public api testing and so
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* we need consider that if we are testing the public api we should
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* just include <cogl/cogl.h> but since that will only provide
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* opaque typedefs we need to include the specific internal headers
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* for testing private apis...
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*/
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#ifdef COGL_COMPILATION
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#include <cogl/cogl-context.h>
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#include <cogl/cogl-onscreen.h>
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#include <cogl/cogl-offscreen.h>
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#include <cogl/cogl-texture-2d.h>
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#include <cogl/cogl-primitive-texture.h>
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#include <cogl/cogl-texture-2d-sliced.h>
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#include <cogl/cogl-meta-texture.h>
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#include <cogl/cogl-atlas-texture.h>
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#else
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#include <cogl/cogl.h>
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#endif
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#include <glib.h>
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/* We don't really care about functions that are defined without a
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header for the unit tests so we can just disable it here */
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#ifdef __GNUC__
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#pragma GCC diagnostic ignored "-Wmissing-declarations"
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#endif
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typedef enum _TestFlags
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{
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TEST_KNOWN_FAILURE = 1<<0,
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TEST_REQUIREMENT_GL = 1<<1,
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TEST_REQUIREMENT_NPOT = 1<<2,
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TEST_REQUIREMENT_TEXTURE_RECTANGLE = 1<<4,
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TEST_REQUIREMENT_TEXTURE_RG = 1<<5,
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TEST_REQUIREMENT_POINT_SPRITE = 1<<6,
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TEST_REQUIREMENT_MAP_WRITE = 1<<8,
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TEST_REQUIREMENT_GLSL = 1<<9,
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TEST_REQUIREMENT_OFFSCREEN = 1<<10,
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TEST_REQUIREMENT_FENCE = 1<<11,
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TEST_REQUIREMENT_PER_VERTEX_POINT_SIZE = 1<<12
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} TestFlags;
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/**
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* TestUtilsTextureFlags:
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* @TEST_UTILS_TEXTURE_NONE: No flags specified
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* @TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP: Disables the automatic generation of
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* the mipmap pyramid from the base level image whenever it is
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* updated. The mipmaps are only generated when the texture is
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* rendered with a mipmap filter so it should be free to leave out
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* this flag when using other filtering modes
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* @TEST_UTILS_TEXTURE_NO_SLICING: Disables the slicing of the texture
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* @TEST_UTILS_TEXTURE_NO_ATLAS: Disables the insertion of the texture inside
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* the texture atlas used by Cogl
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*
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* Flags to pass to the test_utils_texture_new_* family of functions.
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*/
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typedef enum
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{
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TEST_UTILS_TEXTURE_NONE = 0,
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TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP = 1 << 0,
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TEST_UTILS_TEXTURE_NO_SLICING = 1 << 1,
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TEST_UTILS_TEXTURE_NO_ATLAS = 1 << 2
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} TestUtilsTextureFlags;
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extern CoglContext *test_ctx;
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extern CoglFramebuffer *test_fb;
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gboolean
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test_utils_init (TestFlags requirement_flags,
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TestFlags known_failure_flags);
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void
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test_utils_fini (void);
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/*
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* test_utils_texture_new_with_size:
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* @context: A #CoglContext
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* @width: width of texture in pixels.
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* @height: height of texture in pixels.
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* @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE
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* @components: What texture components are required
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*
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* Creates a new #CoglTexture with the specified dimensions and pixel format.
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*
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* The storage for the texture is not necessarily created before this
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* function returns. The storage can be explicitly allocated using
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* cogl_texture_allocate() or preferably you can let Cogl
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* automatically allocate the storage lazily when uploading data when
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* Cogl may know more about how the texture will be used and can
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* optimize how it is allocated.
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*
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* Return value: A newly created #CoglTexture
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*/
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CoglTexture *
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test_utils_texture_new_with_size (CoglContext *ctx,
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int width,
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int height,
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TestUtilsTextureFlags flags,
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CoglTextureComponents components);
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/*
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* test_utils_texture_new_from_data:
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* @context: A #CoglContext
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* @width: width of texture in pixels
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* @height: height of texture in pixels
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* @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE
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* @format: the #CoglPixelFormat the buffer is stored in in RAM
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* @rowstride: the memory offset in bytes between the starts of
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* scanlines in @data
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* @data: pointer the memory region where the source buffer resides
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* @error: A #GError to catch exceptional errors or %NULL
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*
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* Creates a new #CoglTexture based on data residing in memory.
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*
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* Note: If the given @format has an alpha channel then the data
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* will be loaded into a premultiplied internal format. If you want
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* to avoid having the source data be premultiplied then you can
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* either specify that the data is already premultiplied or use
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* test_utils_texture_new_from_bitmap which lets you explicitly
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* request whether the data should internally be premultipled or not.
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*
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* Return value: A newly created #CoglTexture or %NULL on failure
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*/
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CoglTexture *
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test_utils_texture_new_from_data (CoglContext *ctx,
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int width,
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int height,
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TestUtilsTextureFlags flags,
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CoglPixelFormat format,
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int rowstride,
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const uint8_t *data);
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/*
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* test_utils_texture_new_from_bitmap:
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* @bitmap: A #CoglBitmap pointer
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* @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE
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* @premultiplied: Whether the texture should hold premultipled data.
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* (if the bitmap already holds premultiplied data
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* and %TRUE is given then no premultiplication will
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* be done. The data will be premultipled while
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* uploading if the bitmap has an alpha channel but
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* does not already have a premultiplied format.)
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*
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* Creates a #CoglTexture from a #CoglBitmap.
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*
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* Return value: A newly created #CoglTexture or %NULL on failure
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*/
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CoglTexture *
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test_utils_texture_new_from_bitmap (CoglBitmap *bitmap,
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TestUtilsTextureFlags flags,
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gboolean premultiplied);
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/*
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* test_utils_check_pixel:
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* @framebuffer: The #CoglFramebuffer to read from
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* @x: x coordinate of the pixel to test
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* @y: y coordinate of the pixel to test
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* @pixel: An integer of the form 0xRRGGBBAA representing the expected
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* pixel value
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*
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* This performs reads a pixel on the given cogl @framebuffer and
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* asserts that it matches the given color. The alpha channel of the
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* color is ignored. The pixels are converted to a string and compared
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* with g_assert_cmpstr so that if the comparison fails then the
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* assert will display a meaningful message
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*/
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void
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test_utils_check_pixel (CoglFramebuffer *framebuffer,
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int x, int y, uint32_t expected_pixel);
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/**
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* @framebuffer: The #CoglFramebuffer to read from
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* @x: x coordinate of the pixel to test
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* @y: y coordinate of the pixel to test
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* @pixel: An integer of the form 0xRRGGBBAA representing the expected
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* pixel value
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*
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* This performs reads a pixel on the given cogl @framebuffer and
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* asserts that it matches the given color. The alpha channel is also
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* checked unlike with test_utils_check_pixel(). The pixels are
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* converted to a string and compared with g_assert_cmpstr so that if
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* the comparison fails then the assert will display a meaningful
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* message.
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*/
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void
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test_utils_check_pixel_and_alpha (CoglFramebuffer *fb,
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int x, int y, uint32_t expected_pixel);
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/*
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* test_utils_check_pixel:
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* @framebuffer: The #CoglFramebuffer to read from
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* @x: x coordinate of the pixel to test
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* @y: y coordinate of the pixel to test
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* @pixel: An integer of the form 0xrrggbb representing the expected pixel value
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*
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* This performs reads a pixel on the given cogl @framebuffer and
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* asserts that it matches the given color. The alpha channel of the
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* color is ignored. The pixels are converted to a string and compared
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* with g_assert_cmpstr so that if the comparison fails then the
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* assert will display a meaningful message
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*/
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void
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test_utils_check_pixel_rgb (CoglFramebuffer *framebuffer,
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int x, int y, int r, int g, int b);
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/*
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* test_utils_check_region:
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* @framebuffer: The #CoglFramebuffer to read from
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* @x: x coordinate of the region to test
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* @y: y coordinate of the region to test
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* @width: width of the region to test
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* @height: height of the region to test
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* @pixel: An integer of the form 0xrrggbb representing the expected region color
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*
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* Performs a read pixel on the specified region of the given cogl
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* @framebuffer and asserts that it matches the given color. The alpha
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* channel of the color is ignored. The pixels are converted to a
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* string and compared with g_assert_cmpstr so that if the comparison
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* fails then the assert will display a meaningful message
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*/
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void
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test_utils_check_region (CoglFramebuffer *framebuffer,
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int x, int y,
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int width, int height,
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uint32_t expected_rgba);
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/*
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* test_utils_compare_pixel:
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* @screen_pixel: A pixel stored in memory
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* @expected_pixel: The expected RGBA value
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*
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* Compares a pixel from a buffer to an expected value. The pixels are
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* converted to a string and compared with g_assert_cmpstr so that if
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* the comparison fails then the assert will display a meaningful
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* message.
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*/
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void
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test_utils_compare_pixel (const uint8_t *screen_pixel, uint32_t expected_pixel);
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/*
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* test_utils_compare_pixel_and_alpha:
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* @screen_pixel: A pixel stored in memory
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* @expected_pixel: The expected RGBA value
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*
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* Compares a pixel from a buffer to an expected value. This is
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* similar to test_utils_compare_pixel() except that it doesn't ignore
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* the alpha component.
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*/
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void
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test_utils_compare_pixel_and_alpha (const uint8_t *screen_pixel,
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uint32_t expected_pixel);
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/*
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* test_utils_create_color_texture:
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* @context: A #CoglContext
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* @color: A color to put in the texture
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*
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* Creates a 1x1-pixel RGBA texture filled with the given color.
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*/
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CoglTexture *
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test_utils_create_color_texture (CoglContext *context,
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uint32_t color);
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/* cogl_test_verbose:
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*
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* Queries if the user asked for verbose output or not.
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*/
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gboolean
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cogl_test_verbose (void);
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/* test_util_is_pot:
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* @number: A number to test
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*
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* Returns whether the given integer is a power of two
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*/
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static inline gboolean
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test_utils_is_pot (unsigned int number)
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{
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/* Make sure there is only one bit set */
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return (number & (number - 1)) == 0;
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}
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#endif /* _TEST_UTILS_H_ */
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