diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_tests.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_tests.c b/src/gallium/auxiliary/util/u_tests.c index 10111539c78..5257b548c51 100644 --- a/src/gallium/auxiliary/util/u_tests.c +++ b/src/gallium/auxiliary/util/u_tests.c @@ -30,9 +30,11 @@ #include "util/u_draw_quad.h" #include "util/u_format.h" #include "util/u_inlines.h" +#include "util/u_memory.h" #include "util/u_simple_shaders.h" #include "util/u_surface.h" #include "util/u_tile.h" +#include "tgsi/tgsi_text.h" #include "cso_cache/cso_context.h" #include <stdio.h> @@ -371,6 +373,60 @@ null_sampler_view(struct pipe_context *ctx) util_report_result(pass); } +static void +null_constant_buffer(struct pipe_context *ctx) +{ + struct cso_context *cso; + struct pipe_resource *cb; + void *fs, *vs; + bool pass = true; + static const float zero[] = {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_constant_buffer(ctx, PIPE_SHADER_FRAGMENT, 0, NULL); + + /* Fragment shader. */ + { + static const char *text = /* I don't like ureg... */ + "FRAG\n" + "DCL CONST[0]\n" + "DCL OUT[0], COLOR\n" + + "MOV OUT[0], CONST[0]\n" + "END\n"; + struct tgsi_token tokens[1000]; + struct pipe_shader_state state = {tokens}; + + if (!tgsi_text_translate(text, tokens, Elements(tokens))) { + puts("Can't compile a fragment shader."); + util_report_result(FAIL); + return; + } + fs = ctx->create_fs_state(ctx, &state); + 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(ctx, cb, 0, 0, cb->width0, + cb->height0, zero); + + /* 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. @@ -382,6 +438,7 @@ util_run_tests(struct pipe_screen *screen) tgsi_vs_window_space_position(ctx); null_sampler_view(ctx); + null_constant_buffer(ctx); ctx->destroy(ctx); |