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mutter/tests/conform/test-cogl-offscreen.c

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[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
#include <clutter/clutter.h>
#include <cogl/cogl.h>
#include "test-conform-common.h"
#define RED 0
#define GREEN 1
#define BLUE 2
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
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#define FRAMEBUFFER_WIDTH 640
#define FRAMEBUFFER_HEIGHT 480
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
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static const ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
static void
on_paint (ClutterActor *actor, void *state)
{
float saved_viewport[4];
CoglMatrix saved_projection;
CoglMatrix projection;
CoglMatrix modelview;
guchar *data;
CoglHandle tex;
CoglHandle offscreen;
guint8 pixel[4];
/* Save the Clutter viewport/matrices and load identity matrices */
cogl_get_viewport (saved_viewport);
cogl_get_projection_matrix (&saved_projection);
cogl_push_matrix ();
cogl_matrix_init_identity (&projection);
cogl_matrix_init_identity (&modelview);
cogl_set_projection_matrix (&projection);
cogl_set_modelview_matrix (&modelview);
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
data = g_malloc (FRAMEBUFFER_WIDTH * 4 * FRAMEBUFFER_HEIGHT);
tex = cogl_texture_new_from_data (FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_RGBA_8888, /* data fmt */
COGL_PIXEL_FORMAT_ANY, /* internal fmt */
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
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FRAMEBUFFER_WIDTH * 4, /* rowstride */
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
data);
g_free (data);
offscreen = cogl_offscreen_new_to_texture (tex);
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
/* Set a scale and translate transform on the window framebuffer before
* switching to the offscreen framebuffer so we can verify it gets restored
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
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* when we switch back
*
* The test is going to draw a grid of 4 colors to a texture which we
* subsequently draw to the window with a fullscreen rectangle. This
* transform will flip the texture left to right, scale it to a quater of the
* window size and slide it to the top right of the window.
*/
cogl_translate (0.5, 0.5, 0);
cogl_scale (-0.5, 0.5, 1);
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
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cogl_push_framebuffer (offscreen);
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
/* Cogl should release the last reference when we call cogl_pop_framebuffer()
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
*/
cogl_handle_unref (offscreen);
/* Setup something other than the identity matrix for the modelview so we can
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
* verify it gets restored when we call cogl_pop_framebuffer () */
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
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cogl_scale (2, 2, 1);
/* red, top left */
cogl_set_source_color4ub (0xff, 0x00, 0x00, 0xff);
cogl_rectangle (-0.5, 0.5, 0, 0);
/* green, top right */
cogl_set_source_color4ub (0x00, 0xff, 0x00, 0xff);
cogl_rectangle (0, 0.5, 0.5, 0);
/* blue, bottom left */
cogl_set_source_color4ub (0x00, 0x00, 0xff, 0xff);
cogl_rectangle (-0.5, 0, 0, -0.5);
/* white, bottom right */
cogl_set_source_color4ub (0xff, 0xff, 0xff, 0xff);
cogl_rectangle (0, 0, 0.5, -0.5);
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
cogl_pop_framebuffer ();
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
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cogl_set_source_texture (tex);
cogl_rectangle (-1, 1, 1, -1);
cogl_handle_unref (tex);
/* NB: The texture is drawn flipped horizontally and scaled to fit in the
* top right corner of the window. */
/* red, top right */
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
cogl_read_pixels (FRAMEBUFFER_WIDTH - 1, 0, 1, 1,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
COGL_READ_PIXELS_COLOR_BUFFER,
cogl: Support any format in cogl_read_pixels cogl_read_pixels() no longer asserts that the format passed in is RGBA_8888 but instead accepts any format. The appropriate GL enums for the format are passed to glReadPixels so OpenGL should be perform a conversion if neccessary. It currently assumes glReadPixels will always give us premultiplied data. This will usually be correct because the result of the default blending operations for Cogl ends up with premultiplied data in the framebuffer. However it is possible for the framebuffer to be in whatever format depending on what CoglMaterial is used to render to it. Eventually we may want to add a way for an application to inform Cogl that the framebuffer is not premultiplied in case it is being used for some special purpose. If the requested format is not premultiplied then Cogl will convert it. The tests have been changed to read the data as premultiplied so that they won't be affected by the conversion. Picking in Clutter has been changed to use COGL_PIXEL_FORMAT_RGB_888 because it doesn't need the alpha component. clutter_stage_read_pixels is left unchanged because the application can't specify a format for that so it seems to make most sense to store unpremultiplied values. http://bugzilla.openedhand.com/show_bug.cgi?id=1959
2010-03-01 18:08:41 +00:00
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
pixel);
g_assert (pixel[RED] == 0xff && pixel[GREEN] == 0x00 && pixel[BLUE] == 0x00);
/* green, top left */
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
cogl_read_pixels ((FRAMEBUFFER_WIDTH/2), 0, 1, 1,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
COGL_READ_PIXELS_COLOR_BUFFER,
cogl: Support any format in cogl_read_pixels cogl_read_pixels() no longer asserts that the format passed in is RGBA_8888 but instead accepts any format. The appropriate GL enums for the format are passed to glReadPixels so OpenGL should be perform a conversion if neccessary. It currently assumes glReadPixels will always give us premultiplied data. This will usually be correct because the result of the default blending operations for Cogl ends up with premultiplied data in the framebuffer. However it is possible for the framebuffer to be in whatever format depending on what CoglMaterial is used to render to it. Eventually we may want to add a way for an application to inform Cogl that the framebuffer is not premultiplied in case it is being used for some special purpose. If the requested format is not premultiplied then Cogl will convert it. The tests have been changed to read the data as premultiplied so that they won't be affected by the conversion. Picking in Clutter has been changed to use COGL_PIXEL_FORMAT_RGB_888 because it doesn't need the alpha component. clutter_stage_read_pixels is left unchanged because the application can't specify a format for that so it seems to make most sense to store unpremultiplied values. http://bugzilla.openedhand.com/show_bug.cgi?id=1959
2010-03-01 18:08:41 +00:00
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
pixel);
g_assert (pixel[RED] == 0x00 && pixel[GREEN] == 0xff && pixel[BLUE] == 0x00);
/* blue, bottom right */
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
cogl_read_pixels (FRAMEBUFFER_WIDTH - 1, (FRAMEBUFFER_HEIGHT/2) - 1, 1, 1,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
COGL_READ_PIXELS_COLOR_BUFFER,
cogl: Support any format in cogl_read_pixels cogl_read_pixels() no longer asserts that the format passed in is RGBA_8888 but instead accepts any format. The appropriate GL enums for the format are passed to glReadPixels so OpenGL should be perform a conversion if neccessary. It currently assumes glReadPixels will always give us premultiplied data. This will usually be correct because the result of the default blending operations for Cogl ends up with premultiplied data in the framebuffer. However it is possible for the framebuffer to be in whatever format depending on what CoglMaterial is used to render to it. Eventually we may want to add a way for an application to inform Cogl that the framebuffer is not premultiplied in case it is being used for some special purpose. If the requested format is not premultiplied then Cogl will convert it. The tests have been changed to read the data as premultiplied so that they won't be affected by the conversion. Picking in Clutter has been changed to use COGL_PIXEL_FORMAT_RGB_888 because it doesn't need the alpha component. clutter_stage_read_pixels is left unchanged because the application can't specify a format for that so it seems to make most sense to store unpremultiplied values. http://bugzilla.openedhand.com/show_bug.cgi?id=1959
2010-03-01 18:08:41 +00:00
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
pixel);
g_assert (pixel[RED] == 0x00 && pixel[GREEN] == 0x00 && pixel[BLUE] == 0xff);
/* white, bottom left */
cogl: deprecate cogl_draw_buffer API and replace with a cogl_framebuffer API cogl_push_draw_buffer, cogl_set_draw_buffer and cogl_pop_draw_buffer are now deprecated and new code should use the new cogl_framebuffer_* API instead. Code that previously did: cogl_push_draw_buffer (); cogl_set_draw_buffer (COGL_OFFSCREEN_BUFFER, buffer); /* draw */ cogl_pop_draw_buffer (); should now be re-written as: cogl_push_framebuffer (buffer); /* draw */ cogl_pop_framebuffer (); As can be seen from the example above the rename has been used as an opportunity to remove the redundant target argument from cogl_set_draw_buffer; it now only takes one call to redirect to an offscreen buffer, and finally the term framebuffer may be a bit more familiar to anyone coming from an OpenGL background.
2009-11-26 19:06:35 +00:00
cogl_read_pixels ((FRAMEBUFFER_WIDTH/2), (FRAMEBUFFER_HEIGHT/2) - 1, 1, 1,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
COGL_READ_PIXELS_COLOR_BUFFER,
cogl: Support any format in cogl_read_pixels cogl_read_pixels() no longer asserts that the format passed in is RGBA_8888 but instead accepts any format. The appropriate GL enums for the format are passed to glReadPixels so OpenGL should be perform a conversion if neccessary. It currently assumes glReadPixels will always give us premultiplied data. This will usually be correct because the result of the default blending operations for Cogl ends up with premultiplied data in the framebuffer. However it is possible for the framebuffer to be in whatever format depending on what CoglMaterial is used to render to it. Eventually we may want to add a way for an application to inform Cogl that the framebuffer is not premultiplied in case it is being used for some special purpose. If the requested format is not premultiplied then Cogl will convert it. The tests have been changed to read the data as premultiplied so that they won't be affected by the conversion. Picking in Clutter has been changed to use COGL_PIXEL_FORMAT_RGB_888 because it doesn't need the alpha component. clutter_stage_read_pixels is left unchanged because the application can't specify a format for that so it seems to make most sense to store unpremultiplied values. http://bugzilla.openedhand.com/show_bug.cgi?id=1959
2010-03-01 18:08:41 +00:00
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
pixel);
g_assert (pixel[RED] == 0xff && pixel[GREEN] == 0xff && pixel[BLUE] == 0xff);
/* Comment this out if you want visual feedback of what this test
* paints.
*/
clutter_main_quit ();
}
static gboolean
queue_redraw (gpointer stage)
{
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
tests/*: Use symbolic constants for sources and events And make sure to use clutter_threads_add_* instead of the bare g_*_add().
2012-01-25 23:09:38 +00:00
return G_SOURCE_CONTINUE;
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
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}
void
test_cogl_offscreen (TestConformSimpleFixture *fixture,
gconstpointer data)
{
guint idle_source;
ClutterActor *stage;
conform/*: Do not use clutter_stage_get_default() Use the correct stage creation/destruction API.
2011-11-08 17:04:44 +00:00
stage = clutter_stage_new ();
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
2009-10-22 11:36:17 +00:00
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
/* We force continuous redrawing of the stage, since we need to skip
* the first few frames, and we wont be doing anything else that
* will trigger redrawing. */
tests/*: Use symbolic constants for sources and events And make sure to use clutter_threads_add_* instead of the bare g_*_add().
2012-01-25 23:09:38 +00:00
idle_source = clutter_threads_add_idle (queue_redraw, stage);
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
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g_signal_connect_after (stage, "paint", G_CALLBACK (on_paint), NULL);
clutter_actor_show (stage);
clutter_main ();
g_source_remove (idle_source);
conform/*: Do not use clutter_stage_get_default() Use the correct stage creation/destruction API.
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clutter_actor_destroy (stage);
[tests] Adds test-cogl-offscreen to validate offscreen draw buffer This adds a basic test to check that rendering a few colored rectangles offscreen works and that the modelview gets restored when switching back to the previous buffer.
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if (g_test_verbose ())
g_print ("OK\n");
}
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