free(velem);
}
+static void *
+util_set_passthrough_vertex_shader(struct cso_context *cso,
+ struct pipe_context *ctx,
+ bool window_space)
+{
+ static const uint vs_attribs[] = {
+ TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_GENERIC
+ };
+ static const uint vs_indices[] = {0, 0};
+ void *vs;
+
+ vs = util_make_vertex_passthrough_shader(ctx, 2, vs_attribs, vs_indices,
+ window_space);
+ cso_set_vertex_shader_handle(cso, vs);
+ return vs;
+}
+
+static void
+util_set_common_states_and_clear(struct cso_context *cso, struct pipe_context *ctx,
+ struct pipe_resource *cb)
+{
+ static const float clear_color[] = {0.1, 0.1, 0.1, 0.1};
+
+ util_set_framebuffer_cb0(cso, ctx, cb);
+ util_set_blend_normal(cso);
+ util_set_dsa_disable(cso);
+ util_set_rasterizer_normal(cso);
+ util_set_max_viewport(cso, cb);
+
+ ctx->clear(ctx, PIPE_CLEAR_COLOR0, (void*)clear_color, 0, 0);
+}
+
+static void
+util_draw_fullscreen_quad(struct cso_context *cso)
+{
+ static float vertices[] = {
+ -1, -1, 0, 1, 0, 0, 0, 0,
+ -1, 1, 0, 1, 0, 1, 0, 0,
+ 1, 1, 0, 1, 1, 1, 0, 0,
+ 1, -1, 0, 1, 1, 0, 0, 0
+ };
+ util_set_interleaved_vertex_elements(cso, 2);
+ 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,
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:
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" */
+ PASS = 1 /* also "true" */
+};
+
+static void
+util_report_result_helper(const char *name, int status)
+{
+ printf("Test(%s) = %s\n", name,
+ status == SKIP ? "skip" :
+ status == PASS ? "pass" : "fail");
+}
+
+#define util_report_result(status) util_report_result_helper(__func__, status)
+
/**
* Test TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION.
*
struct pipe_resource *cb;
void *fs, *vs;
bool pass = true;
-
- static uint vs_attribs[] = {
- TGSI_SEMANTIC_POSITION,
- TGSI_SEMANTIC_GENERIC
- };
- static uint vs_indices[] = {0, 0};
- static float vertices[] = {
- 0, 0, 0, 0, 1, 0, 0, 1,
- 0, 256, 0, 0, 1, 0, 0, 1,
- 256, 256, 0, 0, 1, 0, 0, 1,
- 256, 0, 0, 0, 1, 0, 0, 1,
- };
- static float red[] = {1, 0, 0, 1};
- static float clear_color[] = {0.1, 0.1, 0.1, 0.1};
+ static const float red[] = {1, 0, 0, 1};
if (!ctx->screen->get_param(ctx->screen,
PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION)) {
- printf("Test(%s) = skip\n", __func__);
+ util_report_result(SKIP);
return;
}
cso = cso_create_context(ctx);
cb = util_create_texture2d(ctx->screen, 256, 256,
PIPE_FORMAT_R8G8B8A8_UNORM);
-
- /* Set states. */
- util_set_framebuffer_cb0(cso, ctx, cb);
- util_set_blend_normal(cso);
- util_set_dsa_disable(cso);
- util_set_rasterizer_normal(cso);
- util_set_max_viewport(cso, cb);
- util_set_interleaved_vertex_elements(cso, 2);
+ util_set_common_states_and_clear(cso, ctx, cb);
/* Fragment shader. */
fs = util_make_fragment_passthrough_shader(ctx, TGSI_SEMANTIC_GENERIC,
cso_set_fragment_shader_handle(cso, fs);
/* Vertex shader. */
- vs = util_make_vertex_passthrough_shader(ctx, 2, vs_attribs, vs_indices,
- TRUE);
- cso_set_vertex_shader_handle(cso, vs);
-
- /* Clear and draw. */
- ctx->clear(ctx, PIPE_CLEAR_COLOR0, (void*)clear_color, 0, 0);
- util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2);
+ vs = util_set_passthrough_vertex_shader(cso, ctx, true);
+
+ /* Draw. */
+ {
+ static float vertices[] = {
+ 0, 0, 0, 0, 1, 0, 0, 1,
+ 0, 256, 0, 0, 1, 0, 0, 1,
+ 256, 256, 0, 0, 1, 0, 0, 1,
+ 256, 0, 0, 0, 1, 0, 0, 1,
+ };
+ util_set_interleaved_vertex_elements(cso, 2);
+ util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2);
+ }
/* Probe pixels. */
pass = pass && util_probe_rect_rgba(ctx, cb, 0, 0,
ctx->delete_fs_state(ctx, fs);
pipe_resource_reference(&cb, NULL);
- printf("Test(%s) = %s\n", __func__, pass ? "pass" : "fail");
+ 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);
}
/**
struct pipe_context *ctx = screen->context_create(screen, NULL);
tgsi_vs_window_space_position(ctx);
+ null_sampler_view(ctx);
ctx->destroy(ctx);