static bool
util_probe_rect_rgba(struct pipe_context *ctx, struct pipe_resource *tex,
unsigned offx, unsigned offy, unsigned w, unsigned h,
const float *expected)
{
return util_probe_rect_rgba_multi(ctx, tex, offx, offy, w, h, expected, 1);
}
static void
null_sampler_view(struct pipe_context *ctx, unsigned tgsi_tex_target)
{
struct cso_context *cso;
struct pipe_resource *cb;
void *fs, *vs;
bool pass = true;
/* 2 expected colors: */
static const float expected_tex[] = {0, 0, 0, 1,
0, 0, 0, 0};
static const float expected_buf[] = {0, 0, 0, 0};
const float *expected = tgsi_tex_target == TGSI_TEXTURE_BUFFER ?
expected_buf : expected_tex;
unsigned num_expected = tgsi_tex_target == TGSI_TEXTURE_BUFFER ? 1 : 2;
if (tgsi_tex_target == TGSI_TEXTURE_BUFFER &&
!ctx->screen->get_param(ctx->screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS)) {
util_report_result_helper(SKIP, "%s: %s", __func__,
tgsi_texture_names[tgsi_tex_target]);
return;
}
cso = cso_create_context(ctx, 0);
cb = util_create_texture2d(ctx->screen, 256, 256,
PIPE_FORMAT_R8G8B8A8_UNORM, 0);
util_set_common_states_and_clear(cso, ctx, cb);
ctx->set_sampler_views(ctx, PIPE_SHADER_FRAGMENT, 0, 1, NULL);
/* Fragment shader. */
fs = util_make_fragment_tex_shader(ctx, tgsi_tex_target,
TGSI_INTERPOLATE_LINEAR,
TGSI_RETURN_TYPE_FLOAT,
TGSI_RETURN_TYPE_FLOAT, false, false);
cso_set_fragment_shader_handle(cso, fs);
/* Vertex shader. */
vs = util_set_passthrough_vertex_shader(cso, ctx, false);
util_draw_fullscreen_quad(cso);
/* Probe pixels. */
pass = pass && util_probe_rect_rgba_multi(ctx, cb, 0, 0,
cb->width0, cb->height0, expected,
num_expected);
/* Cleanup. */
cso_destroy_context(cso);
ctx->delete_vs_state(ctx, vs);
ctx->delete_fs_state(ctx, fs);
pipe_resource_reference(&cb, NULL);
util_report_result_helper(pass, "%s: %s", __func__,
tgsi_texture_names[tgsi_tex_target]);
}
