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2008-10-30 Emmanuele Bassi <ebassi@linux.intel.com>

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Bug 1209 - Move fixed point API in COGL

	* clutter/cogl/cogl-fixed.h:
	* clutter/cogl/cogl.h.in:
	* clutter/cogl/common/Makefile.am:
	* clutter/cogl/common/cogl-fixed.c: Add fixed point API, modelled
	after the ClutterFixed. The CoglFixed API supercedes the ClutterFixed
	one and avoids the dependency of COGL on Clutter's own API.

	* clutter/cogl/common/cogl-clip-stack.c:
	* clutter/cogl/common/cogl-primitives.c:
	* clutter/cogl/common/cogl-primitives.h: Update internal usage of
	ClutterFixed to CoglFixed.

	* clutter/cogl/gl/Makefile.am:
	* clutter/cogl/gl/cogl-primitives.c:
	* clutter/cogl/gl/cogl-texture.c:
	* clutter/cogl/gl/cogl.c: Ditto, in the GL implementation of the
	COGL API.

	* clutter/cogl/gles/Makefile.am:
	* clutter/cogl/gles/cogl-fbo.c:
	* clutter/cogl/gles/cogl-gles2-wrapper.c:
	* clutter/cogl/gles/cogl-primitives.c:
	* clutter/cogl/gles/cogl-texture.c:
	* clutter/cogl/gles/cogl.c: Ditto, in the GLES implementation of
	the COGL API.

	* clutter/pango/pangoclutter-glyph-cache.c:
	* clutter/pango/pangoclutter-glyph-cache.h: Ditto, in the Pango
	renderer glyphs cache.

	* clutter/clutter-fixed.c:
	* clutter/clutter-fixed.h: ClutterFixed and related API becomes
	a simple transition API for bindings and public Clutter API.

	* clutter/clutter-actor.c:
	* clutter/clutter-alpha.c:
	* clutter/clutter-backend.c:
	* clutter/clutter-behaviour-depth.c:
	* clutter/clutter-behaviour-ellipse.c:
	* clutter/clutter-behaviour-path.c:
	* clutter/clutter-behaviour-rotate.c:
	* clutter/clutter-behaviour-scale.c:
	* clutter/clutter-clone-texture.c:
	* clutter/clutter-color.c:
	* clutter/clutter-entry.c:
	* clutter/clutter-stage.c:
	* clutter/clutter-texture.c:
	* clutter/clutter-timeline.c:
	* clutter/clutter-units.h: Move from the internal usage of
	ClutterFixed to CoglFixed.

	* doc/reference/clutter/clutter-sections.txt:
	* doc/reference/cogl/cogl-docs.sgml:
	* doc/reference/cogl/cogl-sections.txt: Update the documentation.

	* tests/test-cogl-tex-tile.c:
	* tests/test-project.c: Fix tests after the API change

	* README: Add release notes.
This commit is contained in:
Emmanuele Bassi
2008-10-30 16:37:55 +00:00
parent 04ce490c0a
commit 911b395c8a
43 changed files with 3150 additions and 2356 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
clutter/clutter-texture.c
View File

@@ -351,13 +351,13 @@ clutter_texture_get_preferred_width (ClutterActor *self,
/* Set the natural width so as to preserve the aspect ratio */
ClutterFixed ratio, height;
ratio = clutter_qdivx (CLUTTER_INT_TO_FIXED (priv->width),
CLUTTER_INT_TO_FIXED (priv->height));
ratio = COGL_FIXED_MUL (COGL_FIXED_FROM_INT (priv->width),
COGL_FIXED_FROM_INT (priv->height));
height = CLUTTER_UNITS_TO_FIXED (for_height);
*natural_width_p =
CLUTTER_UNITS_FROM_FIXED (clutter_qmulx (ratio, height));
CLUTTER_UNITS_FROM_FIXED (COGL_FIXED_MUL (ratio, height));
}
}
}
@@ -396,13 +396,13 @@ clutter_texture_get_preferred_height (ClutterActor *self,
/* Set the natural height so as to preserve the aspect ratio */
ClutterFixed ratio, width;
ratio = clutter_qdivx (CLUTTER_INT_TO_FIXED (priv->height),
CLUTTER_INT_TO_FIXED (priv->width));
ratio = COGL_FIXED_DIV (COGL_FIXED_FROM_INT (priv->height),
COGL_FIXED_FROM_INT (priv->width));
width = CLUTTER_UNITS_TO_FIXED (for_width);
*natural_height_p =
CLUTTER_UNITS_FROM_FIXED (clutter_qmulx (ratio, width));
CLUTTER_UNITS_FROM_FIXED (COGL_FIXED_MUL (ratio, width));
}
}
}
@@ -469,20 +469,20 @@ clutter_texture_set_fbo_projection (ClutterActor *self)
/* Convert the coordinates back to [-1,1] range */
cogl_get_viewport (viewport);
x_min = CFX_QDIV (x_min, viewport[2]) * 2 - CFX_ONE;
x_max = CFX_QDIV (x_max, viewport[2]) * 2 - CFX_ONE;
y_min = CFX_QDIV (y_min, viewport[3]) * 2 - CFX_ONE;
y_max = CFX_QDIV (y_max, viewport[3]) * 2 - CFX_ONE;
x_min = COGL_FIXED_DIV (x_min, viewport[2]) * 2 - COGL_FIXED_1;
x_max = COGL_FIXED_DIV (x_max, viewport[2]) * 2 - COGL_FIXED_1;
y_min = COGL_FIXED_DIV (y_min, viewport[3]) * 2 - COGL_FIXED_1;
y_max = COGL_FIXED_DIV (y_max, viewport[3]) * 2 - COGL_FIXED_1;
/* Set up a projection matrix so that the actor will be projected as
if it was drawn at its original location */
tan_angle = clutter_tani (CLUTTER_ANGLE_FROM_DEGX (perspective.fovy / 2));
near_size = CFX_QMUL (perspective.z_near, tan_angle);
near_size = COGL_FIXED_MUL (perspective.z_near, tan_angle);
cogl_frustum (CFX_QMUL (x_min, near_size),
CFX_QMUL (x_max, near_size),
CFX_QMUL (-y_min, near_size),
CFX_QMUL (-y_max, near_size),
cogl_frustum (COGL_FIXED_MUL (x_min, near_size),
COGL_FIXED_MUL (x_max, near_size),
COGL_FIXED_MUL (-y_min, near_size),
COGL_FIXED_MUL (-y_max, near_size),
perspective.z_near, perspective.z_far);
}
@@ -586,20 +586,21 @@ clutter_texture_paint (ClutterActor *self)
clutter_actor_get_opacity (self));
if (priv->repeat_x && priv->width > 0)
t_w = CFX_QDIV (CLUTTER_INT_TO_FIXED (x_2 - x_1),
CLUTTER_INT_TO_FIXED (priv->width));
t_w = COGL_FIXED_DIV (COGL_FIXED_FROM_INT (x_2 - x_1),
COGL_FIXED_FROM_INT (priv->width));
else
t_w = CFX_ONE;
t_w = COGL_FIXED_1;
if (priv->repeat_y && priv->height > 0)
t_h = CFX_QDIV (CLUTTER_INT_TO_FIXED (y_2 - y_1),
CLUTTER_INT_TO_FIXED (priv->height));
t_h = COGL_FIXED_DIV (COGL_FIXED_FROM_INT (y_2 - y_1),
COGL_FIXED_FROM_INT (priv->height));
else
t_h = CFX_ONE;
t_h = COGL_FIXED_1;
/* Paint will have translated us */
cogl_texture_rectangle (priv->texture, 0, 0,
CLUTTER_INT_TO_FIXED (x_2 - x_1),
CLUTTER_INT_TO_FIXED (y_2 - y_1),
COGL_FIXED_FROM_INT (x_2 - x_1),
COGL_FIXED_FROM_INT (y_2 - y_1),
0, 0, t_w, t_h);
}