On Fri 28 Aug 2015, Nanley Chery wrote:
> From: Nanley Chery <nanley.g.ch...@intel.com>
>
> This function compares two rectangles for equality. This is useful
> to compare the rendering of individual miplevels in a miptree while
> avoiding too much resource consumption.
>
> Signed-off-by: Nanley Chery <nanley.g.ch...@intel.com>
> ---
> tests/util/piglit-util-gl.c | 81
> +++++++++++++++++++++++++++++++++++++++++++++
> tests/util/piglit-util-gl.h | 31 +++++++++++++++++
> 2 files changed, 112 insertions(+)
There's a small typo below. Other than that, this patch is
Reviewed-by: Chad Versace <chad.vers...@intel.com>
>
> diff --git a/tests/util/piglit-util-gl.c b/tests/util/piglit-util-gl.c
> index db17b83..82a6862 100644
> --- a/tests/util/piglit-util-gl.c
> +++ b/tests/util/piglit-util-gl.c
> @@ -1242,6 +1242,41 @@ piglit_probe_rect_rgb(int x, int y, int w, int h,
> const float *expected)
> }
>
> int
> +piglit_probe_rects_equal(int x1, int y1, int x2, int y2,
> + int w, int h, GLenum format)
> +{
> + int retval;
> + GLfloat *pixels;
> + int ncomponents, rect_size;
> +
> + /* Allocate buffer large enough for two rectangles */
> + ncomponents = piglit_num_components(format);
> + rect_size = w * h * ncomponents;
> + pixels = malloc(2 * rect_size * sizeof(GLfloat));
> +
> + /* Load the pixels into the buffer and compare */
> + /* We only need to do one glReadPixels if the images are adjacent */
> + if ((x1 + w) == x2 && y1 == y2) {
> + piglit_read_pixels_float(x1, y1, 2*w, h, format, pixels);
> + retval = piglit_compare_image_halves_color(2*w, h,
> + ncomponents,
> + piglit_tolerance,
> + pixels);
> + } else {
> + piglit_read_pixels_float(x1, y1, w, h, format, pixels);
> + piglit_read_pixels_float(x2, y2, w, h, format,
> + pixels +rect_size);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Need a space after '+'.
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