4581ce5f15
Previously the function containing the default texture lookup is always generated regardless of whether there is a snippet with a replace string which would cause it not be used. Now this snippets are all scanned to check for replace strings before generating the texture lookup. Reviewed-by: Robert Bragg <robert@linux.intel.com>
350 lines
12 KiB
C
350 lines
12 KiB
C
#include <cogl/cogl.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "test-utils.h"
|
|
|
|
typedef struct _TestState
|
|
{
|
|
int stub;
|
|
} TestState;
|
|
|
|
static CoglPipeline *
|
|
create_texture_pipeline (void)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglHandle tex;
|
|
static const guint8 tex_data[] =
|
|
{
|
|
0xff, 0x00, 0x00, 0xff, /* red */ 0x00, 0xff, 0x00, 0xff, /* green */
|
|
0x00, 0x00, 0xff, 0xff, /* blue */ 0xff, 0xff, 0x00, 0xff, /* yellow */
|
|
};
|
|
|
|
tex = cogl_texture_new_from_data (2, 2, /* width/height */
|
|
COGL_TEXTURE_NO_ATLAS,
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
|
|
COGL_PIXEL_FORMAT_ANY,
|
|
8, /* rowstride */
|
|
tex_data);
|
|
|
|
pipeline = cogl_pipeline_new ();
|
|
|
|
cogl_pipeline_set_layer_texture (pipeline, 0, tex);
|
|
|
|
cogl_pipeline_set_layer_filters (pipeline, 0,
|
|
COGL_PIPELINE_FILTER_NEAREST,
|
|
COGL_PIPELINE_FILTER_NEAREST);
|
|
|
|
cogl_handle_unref (tex);
|
|
|
|
return pipeline;
|
|
}
|
|
|
|
static void
|
|
paint (TestState *state)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglSnippet *snippet;
|
|
CoglColor color;
|
|
int location;
|
|
int i;
|
|
|
|
cogl_color_init_from_4ub (&color, 0, 0, 0, 255);
|
|
cogl_clear (&color, COGL_BUFFER_BIT_COLOR);
|
|
|
|
/* Simple fragment snippet */
|
|
pipeline = cogl_pipeline_new ();
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
NULL, /* declarations */
|
|
"cogl_color_out.g += 1.0;");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (0, 0, 10, 10);
|
|
cogl_pop_source ();
|
|
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* Simple vertex snippet */
|
|
pipeline = cogl_pipeline_new ();
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
|
|
NULL,
|
|
"cogl_color_out.b += 1.0;");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (10, 0, 20, 10);
|
|
cogl_pop_source ();
|
|
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* Snippets sharing a uniform across the vertex and fragment
|
|
hooks */
|
|
pipeline = cogl_pipeline_new ();
|
|
|
|
location = cogl_pipeline_get_uniform_location (pipeline, "a_value");
|
|
cogl_pipeline_set_uniform_1f (pipeline, location, 0.25f);
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
|
|
"uniform float a_value;",
|
|
"cogl_color_out.b += a_value;");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
"uniform float a_value;",
|
|
"cogl_color_out.b += a_value;");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (20, 0, 30, 10);
|
|
cogl_pop_source ();
|
|
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* Lots of snippets on one pipeline */
|
|
pipeline = cogl_pipeline_new ();
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
|
|
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
char letter = 'x' + i;
|
|
char *uniform_name = g_strdup_printf ("%c_value", letter);
|
|
char *declarations = g_strdup_printf ("uniform float %s;\n",
|
|
uniform_name);
|
|
char *code = g_strdup_printf ("cogl_color_out.%c = %s;\n",
|
|
letter,
|
|
uniform_name);
|
|
|
|
location = cogl_pipeline_get_uniform_location (pipeline, uniform_name);
|
|
cogl_pipeline_set_uniform_1f (pipeline, location, (i + 1) * 0.1f);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
declarations,
|
|
code);
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
g_free (code);
|
|
g_free (uniform_name);
|
|
g_free (declarations);
|
|
}
|
|
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (30, 0, 40, 10);
|
|
cogl_pop_source ();
|
|
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* Test that the pre string can declare variables used by the post
|
|
string */
|
|
pipeline = cogl_pipeline_new ();
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 255, 255, 255, 255);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
NULL, /* declarations */
|
|
"cogl_color_out = redvec;");
|
|
cogl_snippet_set_pre (snippet, "vec4 redvec = vec4 (1.0, 0.0, 0.0, 1.0);");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (40, 0, 50, 10);
|
|
cogl_pop_source ();
|
|
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* Check that the pipeline caching works when unrelated pipelines
|
|
share snippets state. It's too hard to actually assert this in
|
|
the conformance test but at least it should be possible to see by
|
|
setting COGL_DEBUG=show-source to check whether this shader gets
|
|
generated twice */
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
"/* This comment should only be seen ONCE\n"
|
|
" when COGL_DEBUG=show-source is TRUE\n"
|
|
" even though it is used in two different\n"
|
|
" unrelated pipelines */",
|
|
"cogl_color_out = vec4 (0.0, 1.0, 0.0, 1.0);\n");
|
|
|
|
pipeline = cogl_pipeline_new ();
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (50, 0, 60, 10);
|
|
cogl_pop_source ();
|
|
cogl_object_unref (pipeline);
|
|
|
|
pipeline = cogl_pipeline_new ();
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (60, 0, 70, 10);
|
|
cogl_pop_source ();
|
|
cogl_object_unref (pipeline);
|
|
|
|
cogl_object_unref (snippet);
|
|
|
|
/* Check the replace string */
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, NULL, NULL);
|
|
cogl_snippet_set_pre (snippet,
|
|
"cogl_color_out = vec4 (0.0, 0.5, 0.0, 1.0);");
|
|
/* Remove the generated output. If the replace string isn't working
|
|
then the code from the pre string would get overwritten with
|
|
white */
|
|
cogl_snippet_set_replace (snippet, "/* do nothing */");
|
|
cogl_snippet_set_post (snippet,
|
|
"cogl_color_out += vec4 (0.5, 0.0, 0.0, 1.0);");
|
|
|
|
pipeline = cogl_pipeline_new ();
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle (70, 0, 80, 10);
|
|
cogl_pop_source ();
|
|
cogl_object_unref (pipeline);
|
|
|
|
cogl_object_unref (snippet);
|
|
|
|
/* Check the texture lookup hook */
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
|
|
NULL,
|
|
"cogl_texel.b += 1.0;");
|
|
/* Flip the texture coordinates around the y axis so that it will
|
|
get the green texel */
|
|
cogl_snippet_set_pre (snippet, "cogl_tex_coord.x = 1.0 - cogl_tex_coord.x;");
|
|
|
|
pipeline = create_texture_pipeline ();
|
|
cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle_with_texture_coords (80, 0, 90, 10,
|
|
0, 0, 0, 0);
|
|
cogl_pop_source ();
|
|
cogl_object_unref (pipeline);
|
|
|
|
cogl_object_unref (snippet);
|
|
|
|
/* Check replacing the texture lookup hook */
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP, NULL, NULL);
|
|
cogl_snippet_set_replace (snippet, "cogl_texel = vec4 (0.0, 0.0, 1.0, 0.0);");
|
|
|
|
pipeline = create_texture_pipeline ();
|
|
cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle_with_texture_coords (90, 0, 100, 10,
|
|
0, 0, 0, 0);
|
|
cogl_pop_source ();
|
|
cogl_object_unref (pipeline);
|
|
|
|
cogl_object_unref (snippet);
|
|
|
|
/* Test replacing a previous snippet */
|
|
pipeline = create_texture_pipeline ();
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
|
|
NULL,
|
|
"cogl_color_out = vec4 (0.5, 0.5, 0.5, 1.0);");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, NULL, NULL);
|
|
cogl_snippet_set_pre (snippet, "cogl_color_out = vec4 (1.0, 1.0, 1.0, 1.0);");
|
|
cogl_snippet_set_replace (snippet,
|
|
"cogl_color_out *= vec4 (1.0, 0.0, 0.0, 1.0);");
|
|
cogl_pipeline_add_snippet (pipeline, snippet);
|
|
cogl_object_unref (snippet);
|
|
|
|
cogl_push_source (pipeline);
|
|
cogl_rectangle_with_texture_coords (100, 0, 110, 10,
|
|
0, 0, 0, 0);
|
|
cogl_pop_source ();
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* Sanity check modifying the snippet */
|
|
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, "foo", "bar");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "foo");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
|
|
|
|
cogl_snippet_set_declarations (snippet, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
|
|
|
|
cogl_snippet_set_post (snippet, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
|
|
|
|
cogl_snippet_set_pre (snippet, "fuba");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, "fuba");
|
|
|
|
cogl_snippet_set_replace (snippet, "baba");
|
|
g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
|
|
g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
|
|
g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, "baba");
|
|
g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, "fuba");
|
|
|
|
g_assert_cmpint (cogl_snippet_get_hook (snippet),
|
|
==,
|
|
COGL_SNIPPET_HOOK_FRAGMENT);
|
|
}
|
|
|
|
static void
|
|
validate_result (void)
|
|
{
|
|
test_utils_check_pixel (5, 5, 0xffff00ff);
|
|
test_utils_check_pixel (15, 5, 0xff00ffff);
|
|
test_utils_check_pixel (25, 5, 0xff0080ff);
|
|
test_utils_check_pixel (35, 5, 0x19334cff);
|
|
test_utils_check_pixel (45, 5, 0xff0000ff);
|
|
test_utils_check_pixel (55, 5, 0x00ff00ff);
|
|
test_utils_check_pixel (65, 5, 0x00ff00ff);
|
|
test_utils_check_pixel (75, 5, 0x808000ff);
|
|
test_utils_check_pixel (85, 5, 0x00ffffff);
|
|
test_utils_check_pixel (95, 5, 0x0000ffff);
|
|
test_utils_check_pixel (105, 5, 0xff0000ff);
|
|
}
|
|
|
|
void
|
|
test_cogl_snippets (TestUtilsGTestFixture *fixture,
|
|
void *user_data)
|
|
{
|
|
TestUtilsSharedState *shared_state = user_data;
|
|
|
|
/* If shaders aren't supported then we can't run the test */
|
|
if (cogl_features_available (COGL_FEATURE_SHADERS_GLSL))
|
|
{
|
|
TestState state;
|
|
|
|
cogl_ortho (/* left, right */
|
|
0, cogl_framebuffer_get_width (shared_state->fb),
|
|
/* bottom, top */
|
|
cogl_framebuffer_get_height (shared_state->fb), 0,
|
|
/* z near, far */
|
|
-1, 100);
|
|
|
|
paint (&state);
|
|
validate_result ();
|
|
|
|
if (g_test_verbose ())
|
|
g_print ("OK\n");
|
|
}
|
|
else if (g_test_verbose ())
|
|
g_print ("Skipping\n");
|
|
}
|