static DFBResult
RenderTexture( Test *test,
Texture *texture )
{
DFBResult ret;
/*
* Bind the OpenGL rendering context to our primary surface
*/
ret = test->gl2context->Bind( test->gl2context, texture->surface, texture->surface );
if (ret) {
D_DERROR( ret, "IDirectFBGL2Context::Bind() failed!\n" );
return ret;
}
/* Update the projection matrix */
perspective(ProjectionMatrix, 60.0, texture->size.w / (float)texture->size.h, 1.0, 1024.0);
/* Setup the viewport */
glViewport( 0, 0, (GLint) texture->size.w, (GLint) texture->size.h );
gears_draw( false );
/* Unbind the OpenGL rendering context */
test->gl2context->Unbind( test->gl2context );
return DFB_OK;
}
int
rsxgltest_draw()
{
gears_idle();
gears_draw();
return 1;
}
static gboolean
paint_cb (void *user_data)
{
Data *data = user_data;
double elapsed = g_timer_elapsed (data->timer, NULL);
double dt = elapsed - data->last_elapsed;
GError *error = NULL;
/* Draw scene with GLES2 */
if (!cogl_push_gles2_context (data->ctx,
data->gles2_ctx,
data->fb,
data->fb,
&error))
{
g_error ("Failed to push gles2 context: %s\n", error->message);
}
gears_draw ();
cogl_pop_gles2_context (data->ctx);
cogl_onscreen_swap_buffers (COGL_ONSCREEN (data->fb));
/* advance rotation for next frame */
angle += 70.0 * dt; /* 70 degrees per second */
if (angle > 3600.0)
angle -= 3600.0;
data->frames++;
if (elapsed > 5.0) {
GLfloat fps = data->frames / elapsed;
printf ("%d frames in %3.1f seconds = %6.3f FPS\n",
data->frames, elapsed, fps);
g_timer_reset (data->timer);
data->last_elapsed = 0;
data->frames = 0;
}else
data->last_elapsed = elapsed;
/* If the driver can deliver swap complete events then we can remove
* the idle paint callback until we next get a swap complete event
* otherwise we keep the idle paint callback installed and simply
* paint as fast as the driver will allow... */
if (cogl_has_feature (data->ctx, COGL_FEATURE_ID_SWAP_BUFFERS_EVENT))
return FALSE; /* remove the callback */
else
return TRUE;
}
static gboolean
paint_cb (void *user_data)
{
Data *data = user_data;
double elapsed = g_timer_elapsed (data->timer, NULL);
double dt = elapsed - data->last_elapsed;
CoglError *error = NULL;
/* Draw scene with GLES2 */
if (!cogl_push_gles2_context (data->ctx,
data->gles2_ctx,
data->fb,
data->fb,
&error))
{
g_error ("Failed to push gles2 context: %s\n", error->message);
}
gears_draw ();
cogl_pop_gles2_context (data->ctx);
cogl_onscreen_swap_buffers (COGL_ONSCREEN (data->fb));
/* advance rotation for next frame */
angle += 70.0 * dt; /* 70 degrees per second */
if (angle > 3600.0)
angle -= 3600.0;
data->frames++;
if (elapsed > 5.0) {
GLfloat fps = data->frames / elapsed;
printf ("%d frames in %3.1f seconds = %6.3f FPS\n",
data->frames, elapsed, fps);
g_timer_reset (data->timer);
data->last_elapsed = 0;
data->frames = 0;
}else
data->last_elapsed = elapsed;
return FALSE; /* remove the callback */
}
static DFBResult
RenderGL( Test *test )
{
DFBResult ret;
/*
* Bind the OpenGL rendering context to our primary surface
*/
ret = test->gl2context->Bind( test->gl2context, test->primary, test->primary );
if (ret) {
D_DERROR( ret, "IDirectFBGL2Context::Bind() failed!\n" );
return ret;
}
gears_draw();
/* Unbind the OpenGL rendering context */
test->gl2context->Unbind( test->gl2context );
return DFB_OK;
}
static void render_gears(GLData *gld)
{
gears_draw(gld);
gld->angle += 2.0;
}