static void
create_pipelines (CoglPipeline **pipelines,
int n_pipelines)
{
int i;
for (i = 0; i < n_pipelines; i++)
{
char *source = g_strdup_printf (" cogl_color_out = "
"vec4 (%f, 0.0, 0.0, 1.0);\n",
i / 255.0f);
CoglSnippet *snippet =
cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
NULL, /* declarations */
source);
g_free (source);
pipelines[i] = cogl_pipeline_new (test_ctx);
cogl_pipeline_add_snippet (pipelines[i], snippet);
cogl_object_unref (snippet);
}
/* Test that drawing with them works. This should create the entries
* in the cache */
for (i = 0; i < n_pipelines; i++)
{
cogl_framebuffer_draw_rectangle (test_fb,
pipelines[i],
i, 0,
i + 1, 1);
test_utils_check_pixel_rgb (test_fb, i, 0, i, 0, 0);
}
}
static void
paint (TestState *state)
{
CoglPipeline *white = cogl_pipeline_new (test_ctx);
int i;
cogl_pipeline_set_color4f (white, 1, 1, 1, 1);
cogl_framebuffer_draw_rectangle (state->fbo[0],
white,
-1.0, -1.0, 1.0, 1.0);
cogl_framebuffer_draw_rectangle (state->fbo[1],
white,
-1.0, -1.0, 1.0, 1.0);
cogl_framebuffer_draw_rectangle (state->fbo[2],
white,
-1.0, -1.0, 1.0, 1.0);
cogl_object_unref (white);
cogl_framebuffer_clear4f (test_fb,
COGL_BUFFER_BIT_COLOR | COGL_BUFFER_BIT_DEPTH,
0.5, 0.5, 0.5, 1.0);
/* Render all of the textures to the screen */
for (i = 0; i < NUM_FBOS; i++)
{
CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
cogl_pipeline_set_layer_texture (pipeline, 0, state->tex[i]);
cogl_framebuffer_draw_rectangle (test_fb, pipeline,
2.0f / NUM_FBOS * i - 1.0f, -1.0f,
2.0f / NUM_FBOS * (i + 1) - 1.0f, 1.0f);
cogl_object_unref (pipeline);
}
/* Verify all of the fbos drew the right color */
for (i = 0; i < NUM_FBOS; i++)
{
uint8_t expected_colors[NUM_FBOS][4] =
{ { 0xff, 0x00, 0x00, 0xff },
{ 0x00, 0xff, 0x00, 0xff },
{ 0x00, 0x00, 0xff, 0xff } };
test_utils_check_pixel_rgb (test_fb,
state->width * (i + 0.5f) / NUM_FBOS,
state->height / 2,
expected_colors[i][0],
expected_colors[i][1],
expected_colors[i][2]);
}
}
static void
paint (TestState *state)
{
CoglColor bg;
int i;
cogl_set_source_color4ub (255, 255, 255, 255);
/* We push the third framebuffer first so that later we can switch
back to it by popping to test that that works */
cogl_push_framebuffer (state->fbo[2]);
cogl_push_framebuffer (state->fbo[0]);
cogl_rectangle (-1.0, -1.0, 1.0, 1.0);
cogl_pop_framebuffer ();
cogl_push_framebuffer (state->fbo[1]);
cogl_rectangle (-1.0, -1.0, 1.0, 1.0);
cogl_pop_framebuffer ();
/* We should now be back on the third framebuffer */
cogl_rectangle (-1.0, -1.0, 1.0, 1.0);
cogl_pop_framebuffer ();
cogl_color_init_from_4ub (&bg, 128, 128, 128, 255);
cogl_clear (&bg, COGL_BUFFER_BIT_COLOR | COGL_BUFFER_BIT_DEPTH);
/* Render all of the textures to the screen */
for (i = 0; i < NUM_FBOS; i++)
{
cogl_set_source_texture (state->tex[i]);
cogl_rectangle (2.0f / NUM_FBOS * i - 1.0f, -1.0f,
2.0f / NUM_FBOS * (i + 1) - 1.0f, 1.0f);
}
/* Verify all of the fbos drew the right color */
for (i = 0; i < NUM_FBOS; i++)
{
guint8 expected_colors[NUM_FBOS][4] =
{ { 0xff, 0x00, 0x00, 0xff },
{ 0x00, 0xff, 0x00, 0xff },
{ 0x00, 0x00, 0xff, 0xff } };
test_utils_check_pixel_rgb (state->width * (i + 0.5f) / NUM_FBOS,
state->height / 2,
expected_colors[i][0],
expected_colors[i][1],
expected_colors[i][2]);
}
}
static void
validate_block (int block_x, int block_y, int z)
{
int x, y;
for (y = 0; y < TEX_HEIGHT; y++)
for (x = 0; x < TEX_WIDTH; x++)
test_utils_check_pixel_rgb (test_fb,
block_x * TEX_WIDTH + x,
block_y * TEX_HEIGHT + y,
255 - x * 8,
y * 8,
255 - z * 8);
}
void
test_texture_rg (void)
{
CoglPipeline *pipeline;
CoglTexture2D *tex;
int fb_width, fb_height;
int x, y;
fb_width = cogl_framebuffer_get_width (test_fb);
fb_height = cogl_framebuffer_get_height (test_fb);
tex = make_texture ();
g_assert (cogl_texture_get_components (tex) == COGL_TEXTURE_COMPONENTS_RG);
pipeline = cogl_pipeline_new (test_ctx);
cogl_pipeline_set_layer_texture (pipeline, 0, tex);
cogl_pipeline_set_layer_filters (pipeline,
0,
COGL_PIPELINE_FILTER_NEAREST,
COGL_PIPELINE_FILTER_NEAREST);
cogl_framebuffer_draw_rectangle (test_fb,
pipeline,
-1.0f, 1.0f,
1.0f, -1.0f);
for (y = 0; y < TEX_HEIGHT; y++)
for (x = 0; x < TEX_WIDTH; x++)
{
test_utils_check_pixel_rgb (test_fb,
x * fb_width / TEX_WIDTH +
fb_width / (TEX_WIDTH * 2),
y * fb_height / TEX_HEIGHT +
fb_height / (TEX_HEIGHT * 2),
x * 256 / TEX_WIDTH,
y * 256 / TEX_HEIGHT,
0);
}
cogl_object_unref (pipeline);
cogl_object_unref (tex);
}
