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examples: use cogl_framebuffer_clear4f not cogl_clear
cogl_clear depends on the default CoglContext which we are trying to steer the API away from requiring. cogl_framebuffer_clear4f is explicitly passed a framebuffer pointer which is implicitly related to a specific context. This updates all the examples to use cogl_framebuffer_clear4f instead of cogl_clear and removes any redundant CoglColor that was previously passed to cogl_clear. Reviewed-by: Neil Roberts <neil@linux.intel.com>
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@ -4,6 +4,7 @@
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/* The state for this example... */
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typedef struct _Data
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{
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CoglFramebuffer *fb;
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int framebuffer_width;
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int framebuffer_height;
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@ -31,7 +32,6 @@ typedef struct _Data
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/* A static identity matrix initialized for convenience. */
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static CoglMatrix identity;
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/* static colors initialized for convenience. */
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static CoglColor black;
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static CoglColor white;
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/* A cube modelled using 4 vertices for each face.
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@ -83,7 +83,9 @@ paint (Data *data)
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{
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float rotation;
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cogl_clear (&black, COGL_BUFFER_BIT_COLOR|COGL_BUFFER_BIT_DEPTH);
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cogl_framebuffer_clear4f (data->fb,
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COGL_BUFFER_BIT_COLOR|COGL_BUFFER_BIT_DEPTH,
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0, 0, 0, 1);
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cogl_push_matrix ();
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@ -167,7 +169,7 @@ main (int argc, char **argv)
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onscreen = cogl_onscreen_new (ctx, 640, 480);
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fb = COGL_FRAMEBUFFER (onscreen);
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data.fb = fb;
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data.framebuffer_width = cogl_framebuffer_get_width (fb);
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data.framebuffer_height = cogl_framebuffer_get_height (fb);
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@ -206,7 +208,6 @@ main (int argc, char **argv)
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/* Initialize some convenient constants */
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cogl_matrix_init_identity (&identity);
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cogl_color_set_from_4ub (&black, 0x00, 0x00, 0x00, 0xff);
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cogl_color_set_from_4ub (&white, 0xff, 0xff, 0xff, 0xff);
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/* rectangle indices allow the GPU to interpret a list of quads (the
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@ -37,7 +37,7 @@ main (int argc, char **argv)
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int n_poll_fds;
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gint64 timeout;
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cogl_clear (&black, COGL_BUFFER_BIT_COLOR);
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cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
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cogl_primitive_draw (triangle);
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cogl_framebuffer_swap_buffers (fb);
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@ -2,8 +2,6 @@
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#include <glib.h>
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#include <stdio.h>
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CoglColor black;
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int
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main (int argc, char **argv)
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{
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@ -90,7 +88,7 @@ main (int argc, char **argv)
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int n_poll_fds;
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gint64 timeout;
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cogl_clear (&black, COGL_BUFFER_BIT_COLOR);
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cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
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cogl_push_matrix ();
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cogl_scale (0.5, 1, 1);
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@ -8,7 +8,6 @@
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typedef struct Data
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{
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CoglColor black;
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CoglPrimitive *triangle;
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float center_x, center_y;
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CoglFramebuffer *fb;
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@ -18,7 +17,7 @@ typedef struct Data
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static void
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redraw (Data *data)
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{
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cogl_clear (&data->black, COGL_BUFFER_BIT_COLOR);
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cogl_framebuffer_clear4f (data->fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
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cogl_push_matrix ();
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cogl_translate (data->center_x, -data->center_y, 0.0f);
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@ -138,8 +137,8 @@ main (int argc, char **argv)
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SDL_InitSubSystem (SDL_INIT_TIMER);
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onscreen = cogl_onscreen_new (ctx, 800, 600);
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data.fb = COGL_FRAMEBUFFER (onscreen);
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cogl_color_set_from_4ub (&data.black, 0, 0, 0, 255);
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data.center_x = 0.0f;
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data.center_y = 0.0f;
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data.quit = FALSE;
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@ -13,8 +13,6 @@
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ButtonReleaseMask | \
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PointerMotionMask)
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CoglColor black;
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static void
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update_cogl_x11_event_mask (CoglOnscreen *onscreen,
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guint32 event_mask,
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@ -171,7 +169,7 @@ main (int argc, char **argv)
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}
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cogl_xlib_renderer_handle_event (renderer, &event);
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}
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cogl_clear (&black, COGL_BUFFER_BIT_COLOR);
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cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
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cogl_primitive_draw (triangle);
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cogl_framebuffer_swap_buffers (fb);
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@ -19,8 +19,6 @@
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#define TFP_XWIN_WIDTH 200
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#define TFP_XWIN_HEIGHT 200
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CoglColor black;
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static void
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update_cogl_x11_event_mask (CoglOnscreen *onscreen,
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guint32 event_mask,
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@ -216,7 +214,7 @@ main (int argc, char **argv)
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XFillRectangle (xdpy, tfp_xwin, gc, 0, 0, TFP_XWIN_WIDTH, TFP_XWIN_HEIGHT);
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XFlush (xdpy);
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cogl_clear (&black, COGL_BUFFER_BIT_COLOR);
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cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
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cogl_set_source_texture (tfp);
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cogl_rectangle (-0.8, 0.8, 0.8, -0.8);
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cogl_framebuffer_swap_buffers (fb);
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@ -6,8 +6,6 @@
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#include <wayland-server.h>
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CoglColor black;
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typedef struct _CoglandCompositor CoglandCompositor;
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typedef struct
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@ -512,11 +510,7 @@ paint_cb (void *user_data)
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cogl_push_framebuffer (fb);
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#if 0
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cogl_framebuffer_clear (fb, COGL_BUFFER_BIT_COLOR);
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#else
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cogl_clear (&black, COGL_BUFFER_BIT_COLOR);
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#endif
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cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
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cogl_primitive_draw (compositor->triangle);
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