static void
shell_anamorphosis_effect_init (ShellAnamorphosisEffect *self)
{
static CoglPipeline *pipeline_template;
ShellAnamorphosisEffectPrivate *priv = shell_anamorphosis_effect_get_instance_private (self);
if (G_UNLIKELY (pipeline_template == NULL))
{
CoglSnippet *snippet;
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
pipeline_template = cogl_pipeline_new (ctx);
snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP, anamorphosis_decls, NULL);
cogl_snippet_set_pre (snippet, anamorphosis_pre);
cogl_pipeline_add_layer_snippet (pipeline_template, 0, snippet);
cogl_object_unref (snippet);
cogl_pipeline_set_layer_null_texture (pipeline_template,
0, /* layer number */
COGL_TEXTURE_TYPE_2D);
}
priv->pipeline = cogl_pipeline_copy (pipeline_template);
priv->tex_width_uniform = cogl_pipeline_get_uniform_location (priv->pipeline, "tex_width");
priv->tex_height_uniform = cogl_pipeline_get_uniform_location (priv->pipeline, "tex_height");
priv->_x_uniform = cogl_pipeline_get_uniform_location (priv->pipeline, "_x");
priv->_y_uniform = cogl_pipeline_get_uniform_location (priv->pipeline, "_y");
priv->_z_uniform = cogl_pipeline_get_uniform_location (priv->pipeline, "_z");
update_uniforms (self);
}
void
shell_anamorphosis_effect_update (ShellAnamorphosisEffect *self, float x, float y, float z)
{
ShellAnamorphosisEffectPrivate *priv = shell_anamorphosis_effect_get_instance_private (self);
priv->_x = x;
priv->_y = y;
priv->_z = z;
update_uniforms (self);
clutter_effect_queue_repaint (CLUTTER_EFFECT (self));
}
ENTRYPOINT void draw_wip24(ModeInfo *mi) {
uint64_t frame_start = get_time();
wip24_state* state = states + MI_SCREEN(mi);
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(state->glx_context));
glBindFramebuffer(GL_FRAMEBUFFER, state->framebuffer);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
glViewport(0, 0, MI_WIDTH(mi)/state->undersample, MI_HEIGHT(mi)/state->undersample);
if (state->program) {
glUseProgram(state->program);
update_uniforms(mi, state);
glRectf(-1.0f, -1.0f, 1.0f, 1.0f);
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glViewport(0, 0, MI_WIDTH(mi), MI_HEIGHT(mi));
glUseProgram(0);
glBindTexture(GL_TEXTURE_2D, state->fb_texture);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(-1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(-1.0f, 1.0f);
glEnd();
if (mi->fps_p) do_fps(mi);
print_texture_label(MI_DISPLAY(mi), state->font, MI_WIDTH(mi), MI_HEIGHT(mi),
get_boolean_resource(MI_DISPLAY(mi), "fpsTop", "FPSTop")?2:1,
state->shader_info);
glXSwapBuffers(MI_DISPLAY(mi), MI_WINDOW(mi));
state->time_delta = get_time() - frame_start;
state->frame_count++;
float dest = mi->pause / 1000.0f;
float current = state->time_delta / 1000000.0f;
float* undersample = state->undersamples + state->frame_count%4;
if (current > (dest+1.0f)) *undersample += 0.1f;
else if (current<(dest-1.0f) && state->undersample>1.0f) *undersample -= 0.1f;
else goto no_reshape;
state->undersample = (state->undersamples[0]+state->undersamples[1]+
state->undersamples[2]+state->undersamples[3]) / 2.0f;
state->undersample = state->undersample>undersample_max ? undersample_max:state->undersample;
reshape_wip24(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
no_reshape:
;
mi->pause = dest>current ? dest-current : 0;
if ((get_time() - state->start_time)/1000000000.0f > shader_duration)
init_shader(mi, state);
}
