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gallium/u_tests: test a NULL texture sampler view

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v2: allow one of the two values
This commit is contained in:
Marek Olšák 2015-02-01 13:08:53 +01:00
parent 63e51baedc
commit 9e8a6d8486
1 changed files with 84 additions and 16 deletions
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100
src/gallium/auxiliary/util/u_tests.c
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@ -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 (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[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 (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);