[Piglit] [PATCH 2/7] egl-context-preemption: Add check for high priority contexts.

[Tapani Pälli]

On 10/4/18 6:35 PM, Rafael Antognolli wrote:
> Check if we can create high priority contexts, otherwise just fail the
> test immediately. There's no reason to test for preemption if we can't
> create high priority contexts.
> ---
>   tests/egl/egl-context-preemption.c | 57 ++++++++++++++++++++++++++++++
>   1 file changed, 57 insertions(+)
> 
> diff --git a/tests/egl/egl-context-preemption.c b/tests/egl/egl-context-preemption.c
> index 82a698aa1..9d5aa42ee 100644
> --- a/tests/egl/egl-context-preemption.c
> +++ b/tests/egl/egl-context-preemption.c
> @@ -58,6 +58,40 @@ struct test_profile {
>   static bool small = false;
>   static int total_objects = 0;
>   
> +static EGLint
> +check_priority(EGLDisplay dpy, EGLContext ctx, EGLint *expected)
> +{
> +	EGLint value;
> +	EGLBoolean status =
> +		eglQueryContext(dpy, ctx, EGL_CONTEXT_PRIORITY_LEVEL_IMG, &value);
> +
> +	if (status == EGL_FALSE) {
> +		piglit_loge("eglQueryContext failed\n");
> +		piglit_report_result(PIGLIT_FAIL);
> +	}
> +
> +	if (expected && value != *expected) {
> +		piglit_loge("%s fail: priority value 0x%x, expected 0x%x\n",
> +			__func__, value, *expected);
> +		piglit_loge("Can't create high priority context.\n");
> +		piglit_report_result(PIGLIT_FAIL);
> +	}
> +	return value;
> +}
> +
> +static EGLContext
> +create_context(EGLDisplay dpy, EGLint *attr)
> +{
> +	EGLContext ctx =
> +		eglCreateContext(dpy, EGL_NO_CONFIG_MESA, EGL_NO_CONTEXT, attr);
> +
> +	if (ctx == EGL_NO_CONTEXT) {
> +		piglit_loge("could not create EGL context, attr 0x%x\n", attr[1]);
> +		piglit_report_result(PIGLIT_FAIL);
> +	}
> +	return ctx;
> +}
> +
>   static const char *vs_text =
>   	"#version 330 core\n"
>   	"layout (location = 0) in vec3 aPos;\n"
> @@ -304,6 +338,27 @@ piglit_display(void)
>   	return result;
>   }
>   
> +static void
> +check_high_context_priority_creation(EGLDisplay dpy)
> +{
> +	EGLint attr[] = {
> +		EGL_CONTEXT_PRIORITY_LEVEL_IMG,
> +		EGL_CONTEXT_PRIORITY_HIGH_IMG,
> +		EGL_NONE
> +	};
> +	EGLContext ctx = create_context(dpy, attr);
> +	if (ctx == EGL_NO_CONTEXT) {
> +		piglit_loge("failed to create context");
> +		piglit_check_egl_error(EGL_SUCCESS);
> +		piglit_report_result(PIGLIT_FAIL);
> +	}
> +
> +	EGLint expected = EGL_CONTEXT_PRIORITY_HIGH_IMG;
> +	check_priority(dpy, ctx, &expected);
> +
> +	eglDestroyContext(dpy, ctx);
> +}
> +
>   void
>   piglit_init(int argc, char **argv)
>   {
> @@ -312,6 +367,8 @@ piglit_init(int argc, char **argv)
>   	dpy = eglGetCurrentDisplay();
>   	piglit_require_egl_extension(dpy, "EGL_IMG_context_priority");

You need

piglit_require_egl_extension(dpy, "EGL_MESA_configless_context");

because create_context uses EGL_NO_CONFIG_MESA

>   
> +	check_high_context_priority_creation(dpy);
> +
>   	if (piglit_strip_arg(&argc, argv, "small"))
>   		small = true;
>   
>