diff options
author | Marek Olšák <[email protected]> | 2015-02-01 13:08:53 +0100 |
---|---|---|
committer | Marek Olšák <[email protected]> | 2015-02-06 22:27:06 +0100 |
commit | 9e8a6d848639d52d7459bc2a7eac1ce4d6410f02 (patch) | |
tree | 0bc7b6c40defb9964a6d75738766105f0e4b28f7 /src/gallium/auxiliary | |
parent | 63e51baedcf7c833289645a94ab36bef45b701ec (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.c | 102 |
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); |