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mutter-performance-source/test-fixtures/test-utils.h
Neil Roberts eb7ef457cb Add support for RG textures
This adds COGL_PIXEL_FORMAT_RG_88 and COGL_TEXTURE_COMPONENTS_RG in
order to support two-component textures. The RG components for a
texture is only supported if COGL_FEATURE_ID_TEXTURE_RG is advertised.
This is only available on GL 3, GL 2 with the GL_ARB_texture_rg
extension or GLES with the GL_EXT_texture_rg extension. The RG pixel
format is always supported for images because Cogl can easily do the
conversion if an application uses this format to upload to a texture
with a different format.

If an application tries to create an RG texture when the feature isn't
supported then it will raise an error when the texture is allocated.

https://bugzilla.gnome.org/show_bug.cgi?id=712830

Reviewed-by: Robert Bragg <robert@linux.intel.com>

(cherry picked from commit 568677ab3bcb62ababad1623be0d6b9b117d0a26)

Conflicts:
	cogl/cogl-bitmap-packing.h
	cogl/cogl-types.h
	cogl/driver/gl/gl/cogl-driver-gl.c
	tests/conform/test-read-texture-formats.c
	tests/conform/test-write-texture-formats.c
2014-01-20 14:40:45 +00:00

287 lines
10 KiB
C

#ifndef _TEST_UTILS_H_
#define _TEST_UTILS_H_
/* NB: This header is for private and public api testing and so
* we need consider that if we are testing the public api we should
* just include <cogl/cogl.h> but since that will only provide
* opaque typedefs we need to include the specific internal headers
* for testing private apis...
*/
#ifdef COGL_COMPILATION
#include <cogl/cogl-context.h>
#include <cogl/cogl-onscreen.h>
#include <cogl/cogl-offscreen.h>
#include <cogl/cogl-texture-2d.h>
#include <cogl/cogl-primitive-texture.h>
#include <cogl/cogl-texture-2d-sliced.h>
#include <cogl/cogl-meta-texture.h>
#include <cogl/cogl-atlas-texture.h>
#else
#include <cogl/cogl.h>
#endif
#include <glib.h>
/* 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_TEXTURE_RG = 1<<5,
TEST_REQUIREMENT_POINT_SPRITE = 1<<6,
TEST_REQUIREMENT_GLES2_CONTEXT = 1<<7,
TEST_REQUIREMENT_MAP_WRITE = 1<<8,
TEST_REQUIREMENT_GLSL = 1<<9,
TEST_REQUIREMENT_OFFSCREEN = 1<<10,
TEST_REQUIREMENT_FENCE = 1<<11,
TEST_REQUIREMENT_PER_VERTEX_POINT_SIZE = 1<<12
} 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
* @components: What texture components are required
*
* 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,
CoglTextureComponents components);
/*
* 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
* @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.
*
* Note: If the given @format has an alpha channel then the data
* will be loaded into a premultiplied internal format. If you want
* to avoid having the source data be premultiplied then you can
* either specify that the data is already premultiplied or use
* test_utils_texture_new_from_bitmap which lets you explicitly
* request whether the data should internally be premultipled or not.
*
* 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,
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
* @premultiplied: Whether the texture should hold premultipled data.
* (if the bitmap already holds premultiplied data
* and %TRUE is given then no premultiplication will
* be done. The data will be premultipled while
* uploading if the bitmap has an alpha channel but
* does not already have a premultiplied format.)
*
* 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,
CoglBool premultiplied);
/*
* 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_ */