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Add a test for render_texture

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This commit is contained in:
Matthias Clasen
2024-08-06 22:26:33 -04:00
parent f8afc60c9b
commit 44aca0cecf
2 changed files with 192 additions and 0 deletions
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1
testsuite/gsk/meson.build
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@@ -531,6 +531,7 @@ tests = [
[ 'path', [ 'path-utils.c' ], [ 'flaky'] ],
[ 'path-special-cases' ],
[ 'scaling' ],
[ 'rendertexture' ],
]
test_cargs = []

191
testsuite/gsk/rendertexture.c Normal file
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@@ -0,0 +1,191 @@
#include <gtk/gtk.h>
enum {
GDK_COLOR_STATE_SRGB,
GDK_COLOR_STATE_SRGB_LINEAR,
GDK_COLOR_STATE_REC2100_PQ,
GDK_COLOR_STATE_REC2100_LINEAR,
};
typedef struct {
const char *renderer;
const char *debug;
gboolean hdr_content;
guint expected;
} TextureTest;
static TextureTest tests[] = {
{ "ngl", "", 0, GDK_COLOR_STATE_SRGB },
{ "ngl", "", 1, GDK_COLOR_STATE_REC2100_PQ },
{ "ngl", "linear", 0, GDK_COLOR_STATE_SRGB },
{ "ngl", "linear", 1, GDK_COLOR_STATE_REC2100_LINEAR },
{ "ngl", "hdr", 0, GDK_COLOR_STATE_REC2100_PQ },
{ "ngl", "hdr", 1, GDK_COLOR_STATE_REC2100_PQ },
{ "ngl", "hdr:linear", 0, GDK_COLOR_STATE_REC2100_LINEAR },
{ "ngl", "hdr:linear", 1, GDK_COLOR_STATE_REC2100_LINEAR },
{ "vulkan", "", 0, GDK_COLOR_STATE_SRGB },
{ "vulkan", "", 1, GDK_COLOR_STATE_REC2100_PQ },
{ "vulkan", "linear", 0, GDK_COLOR_STATE_SRGB },
{ "vulkan", "linear", 1, GDK_COLOR_STATE_REC2100_LINEAR },
{ "vulkan", "hdr", 0, GDK_COLOR_STATE_REC2100_PQ },
{ "vulkan", "hdr", 1, GDK_COLOR_STATE_REC2100_PQ },
{ "vulkan", "hdr:linear", 0, GDK_COLOR_STATE_REC2100_LINEAR },
{ "vulkan", "hdr:linear", 1, GDK_COLOR_STATE_REC2100_LINEAR },
};
static GdkColorState *
get_color_state (guint id)
{
switch (id)
{
case GDK_COLOR_STATE_SRGB: return gdk_color_state_get_srgb ();
case GDK_COLOR_STATE_SRGB_LINEAR: return gdk_color_state_get_srgb_linear ();
case GDK_COLOR_STATE_REC2100_PQ: return gdk_color_state_get_rec2100_pq ();
case GDK_COLOR_STATE_REC2100_LINEAR: return gdk_color_state_get_rec2100_linear ();
default: g_assert_not_reached ();
}
}
static const char *
color_state_name (GdkColorState *cs)
{
if (cs == gdk_color_state_get_srgb ())
return "srgb";
else if (cs == gdk_color_state_get_srgb_linear ())
return "srgb-linear";
else if (cs == gdk_color_state_get_rec2100_pq ())
return "rec2100-pq";
else if (cs == gdk_color_state_get_rec2100_linear ())
return "rec2100-linear";
else
return "???";
}
static void
test_render_texture (gconstpointer testdata)
{
const TextureTest *test = testdata;
if (g_test_subprocess ())
{
GError *error = NULL;
const char *text;
GBytes *bytes;
GskRenderNode *node;
GskRenderer *renderer;
GdkTexture *texture;
GdkTextureDownloader *downloader;
GdkColorState *expected = get_color_state (test->expected);
gtk_init ();
text = test->hdr_content
? "color { color: color(rec2100-pq 1 0.5 0); }"
: "color { color: color(srgb 0 0.5 1); }";
bytes = g_bytes_new_static (text, strlen (text));
node = gsk_render_node_deserialize (bytes, NULL, NULL);
g_bytes_unref (bytes);
g_assert_nonnull (node);
if (strcmp (test->renderer, "ngl") == 0)
renderer = gsk_ngl_renderer_new ();
else if (strcmp (test->renderer, "vulkan") == 0)
renderer = gsk_vulkan_renderer_new ();
else
g_assert_not_reached ();
gsk_renderer_realize_for_display (renderer, gdk_display_get_default (), &error);
g_assert_no_error (error);
texture = gsk_renderer_render_texture (renderer, node, &GRAPHENE_RECT_INIT (0, 0, 1, 1));
if (!gdk_color_state_equal (expected, gdk_texture_get_color_state (texture)))
{
g_print ("test: expected %s, got %s\n",
color_state_name (expected),
color_state_name (gdk_texture_get_color_state (texture)));
exit (1);
}
else
{
g_print ("test: got color state %s\n",
color_state_name (gdk_texture_get_color_state (texture)));
}
g_assert_true (gdk_texture_get_width (texture) == 1);
g_assert_true (gdk_texture_get_height (texture) == 1);
downloader = gdk_texture_downloader_new (texture);
gdk_texture_downloader_set_format (downloader, GDK_MEMORY_R32G32B32A32_FLOAT);
/* Convert the data to the colorstate we used in the node */
if (test->hdr_content)
gdk_texture_downloader_set_color_state (downloader, gdk_color_state_get_rec2100_pq ());
else
gdk_texture_downloader_set_color_state (downloader, gdk_color_state_get_srgb ());
float data[4];
gdk_texture_downloader_download_into (downloader, (guchar *) data, 4 * sizeof (float));
gdk_texture_downloader_free (downloader);
g_print ("test: got %s content: %f %f %f %f\n",
test->hdr_content ? "rec2100-pq" : "srgb",
data[0], data[1], data[2], data[3]);
if (test->hdr_content)
{
g_assert_cmpfloat_with_epsilon (data[0], 1, 0.005);
g_assert_cmpfloat_with_epsilon (data[1], 0.5, 0.005);
g_assert_cmpfloat_with_epsilon (data[2], 0, 0.005);
g_assert_cmpfloat_with_epsilon (data[3], 1, 0.005);
}
else
{
g_assert_cmpfloat_with_epsilon (data[0], 0, 0.005);
g_assert_cmpfloat_with_epsilon (data[1], 0.5, 0.005);
g_assert_cmpfloat_with_epsilon (data[2], 1, 0.005);
g_assert_cmpfloat_with_epsilon (data[3], 1, 0.005);
}
gsk_render_node_unref (node);
gsk_renderer_unrealize (renderer);
g_object_unref (renderer);
return;
}
char **envp = g_get_environ ();
const char *str = g_getenv ("GDK_DEBUG") ? g_getenv ("GDK_DEBUG") : "";
char *str2 = g_strconcat (test->debug, test->debug[0] && str[0] ? ":" : "", str, NULL);
envp = g_environ_setenv (g_steal_pointer (&envp), "GDK_DEBUG", str2, TRUE);
g_free (str2);
g_test_trap_subprocess_with_envp (NULL, (const char * const *) envp, 0, G_TEST_SUBPROCESS_INHERIT_STDOUT | G_TEST_SUBPROCESS_INHERIT_STDERR);
if (!g_test_trap_has_passed ())
g_test_fail ();
}
int
main (int argc, char *argv[])
{
gtk_init ();
g_test_init (&argc, &argv, NULL);
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
TextureTest *test = &tests[i];
char *path;
path = g_strconcat ("/rendertexture",
"/renderer:", test->renderer,
"/content:", test->hdr_content ? "hdr" : "sdr",
"/flags:", test->debug[0] ? test->debug : "none", NULL);
g_test_add_data_func (path, test, test_render_texture);
g_free (path);
}
return g_test_run ();
}