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authorMarek Olšák <[email protected]>2015-02-01 13:08:53 +0100
committerMarek Olšák <[email protected]>2015-02-06 22:27:06 +0100
commit9e8a6d848639d52d7459bc2a7eac1ce4d6410f02 (patch)
tree0bc7b6c40defb9964a6d75738766105f0e4b28f7 /src/gallium/auxiliary
parent63e51baedcf7c833289645a94ab36bef45b701ec (diff)
gallium/u_tests: test a NULL texture sampler view
v2: allow one of the two values
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/util/u_tests.c102
1 files changed, 85 insertions, 17 deletions
diff --git a/src/gallium/auxiliary/util/u_tests.c b/src/gallium/auxiliary/util/u_tests.c
index 89ae84086c2..10111539c78 100644
--- a/src/gallium/auxiliary/util/u_tests.c
+++ b/src/gallium/auxiliary/util/u_tests.c
@@ -184,15 +184,24 @@ util_draw_fullscreen_quad(struct cso_context *cso)
util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2);
}
+/**
+ * Probe and test if the rectangle contains the expected color.
+ *
+ * If "num_expected_colors" > 1, at least one expected color must match
+ * the probed color. "expected" should be an array of 4*num_expected_colors
+ * floats.
+ */
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)
+util_probe_rect_rgba_multi(struct pipe_context *ctx, struct pipe_resource *tex,
+ unsigned offx, unsigned offy, unsigned w,
+ unsigned h,
+ const float *expected,
+ unsigned num_expected_colors)
{
struct pipe_transfer *transfer;
void *map;
float *pixels = malloc(w * h * 4 * sizeof(float));
- int x,y,c;
+ int x,y,e,c;
bool pass = true;
map = pipe_transfer_map(ctx, tex, 0, 0, PIPE_TRANSFER_READ,
@@ -200,21 +209,31 @@ util_probe_rect_rgba(struct pipe_context *ctx, struct pipe_resource *tex,
pipe_get_tile_rgba(transfer, map, 0, 0, w, h, pixels);
pipe_transfer_unmap(ctx, transfer);
- for (y = 0; y < h; y++) {
- for (x = 0; x < w; x++) {
- float *probe = &pixels[(y*w + x)*4];
-
- for (c = 0; c < 4; c++)
- if (fabs(probe[c] - expected[c]) >= TOLERANCE) {
- printf("Probe color at (%i,%i), ", offx+x, offy+y);
- printf("Expected: %.3f, %.3f, %.3f, %.3f, ",
- expected[0], expected[1], expected[2], expected[3]);
- printf("Got: %.3f, %.3f, %.3f, %.3f\n",
- probe[0], probe[1], probe[2], probe[2]);
- pass = false;
- goto done;
+ for (e = 0; e < num_expected_colors; e++) {
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ float *probe = &pixels[(y*w + x)*4];
+
+ for (c = 0; c < 4; c++) {
+ if (fabs(probe[c] - expected[e*4+c]) >= TOLERANCE) {
+ if (e < num_expected_colors-1)
+ goto next_color; /* test the next expected color */
+
+ printf("Probe color at (%i,%i), ", offx+x, offy+y);
+ printf("Expected: %.3f, %.3f, %.3f, %.3f, ",
+ expected[e*4], expected[e*4+1],
+ expected[e*4+2], expected[e*4+3]);
+ printf("Got: %.3f, %.3f, %.3f, %.3f\n",
+ probe[0], probe[1], probe[2], probe[2]);
+ pass = false;
+ goto done;
+ }
}
+ }
}
+ break; /* this color was successful */
+
+ next_color:;
}
done:
@@ -222,6 +241,14 @@ done:
return pass;
}
+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);
+}
+
enum {
SKIP = -1,
FAIL = 0, /* also "false" */
@@ -304,6 +331,46 @@ tgsi_vs_window_space_position(struct pipe_context *ctx)
util_report_result(pass);
}
+static void
+null_sampler_view(struct pipe_context *ctx)
+{
+ struct cso_context *cso;
+ struct pipe_resource *cb;
+ void *fs, *vs;
+ bool pass = true;
+ /* 2 expected colors: */
+ static const float expected[] = {0, 0, 0, 1,
+ 0, 0, 0, 0};
+
+ cso = cso_create_context(ctx);
+ cb = util_create_texture2d(ctx->screen, 256, 256,
+ PIPE_FORMAT_R8G8B8A8_UNORM);
+ 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_TEXTURE_2D,
+ TGSI_INTERPOLATE_LINEAR);
+ 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, 2);
+
+ /* 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(pass);
+}
+
/**
* Run all tests. This should be run with a clean context after
* context_create.
@@ -314,6 +381,7 @@ util_run_tests(struct pipe_screen *screen)
struct pipe_context *ctx = screen->context_create(screen, NULL);
tgsi_vs_window_space_position(ctx);
+ null_sampler_view(ctx);
ctx->destroy(ctx);