Commit Graph

3014 Commits

Author SHA1 Message Date
Brian Tarricone
e2a990dfd5 update backend to use lazy context/stage creation
http://bugzilla.openedhand.com/show_bug.cgi?id=2056
2010-05-18 15:05:33 +01:00
Øyvind Kolås
354d003860 animator: fix issue of dropped frames towards end of animations 2010-05-17 18:33:23 +01:00
Neil Roberts
7caa10160d cogl-material: Set the blend equation even if blend funcs are the same
Previously it would only try to set the blend equation if the RGB and
alpha blending functions were different. However it's completely valid
to use a non-standard blending function when the functions are the
same. This patch moves the blending equation to outside the if
statement.
2010-05-17 16:31:28 +01:00
Neil Roberts
dd9e7853ec cogl-material: Set blend constant even if alpha and rgb factors are the same
Previously it would only set the blend constant if glBlendFuncSeparate
was used but it is perfectly acceptable to use the blend constant when
the same factor is used for each. It now sets the blend constant
whenever one of the factors would use the constant.
2010-05-17 16:31:28 +01:00
Neil Roberts
502446ed8d cogl-blend-string: Don't split combined blend statements into two
When a single statement is used to specify the factors for both the
RGB and alpha parts it previously split up the statement into
two. This works but it ends up unnecessarily using glBlendFuncSeparate
when glBlendFunc would suffice.

For example, the blend statement

 RGBA = ADD(SRC_COLOR*(SRC_COLOR), DST_COLOR*(1-SRC_COLOR))

would get split into the two statements

 RGBA = ADD(SRC_COLOR*(SRC_COLOR[RGB]), DST_COLOR*(1-SRC_COLOR[RGB]))
 A    = ADD(SRC_COLOR*(SRC_COLOR[A]), DST_COLOR*(1-SRC_COLOR[A]))

That translates to:

 glBlendFuncSeparate (GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR,
                      GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

This patch makes it so that arg_to_gl_blend_factor can handle the
combined RGBA mask instead. That way the single statement gets
translated to the equivalent call:

 glBlendFunc (GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR);
2010-05-17 16:31:28 +01:00
Chris Lord
47d5493016 text: Fix typos that were causing false-positive cache hits
If a cached layout didn't actually match the layout we're looking for,
it would be returned anyway. Remove this return so that it can correctly
continue looking and get a cache miss if appropriate.

http://bugzilla.openedhand.com/show_bug.cgi?id=2109
2010-05-13 16:03:28 +01:00
Neil Roberts
acea83d7ae cogl-path: Use true copy-on-write semantics
Previously a path copy was implemented such that only the array of
path nodes was shared with the source and the rest of the data is
copied. This was so that the copy could avoid a deep copy if the
source path is appended to because the copy keeps track of its own
length. This optimisation is probably not worthwhile because it makes
the copies less cheap. Instead the CoglPath struct now just contains a
single pointer to a new CoglPathData struct which is separately
ref-counted. When the path is modified it will be copied if the ref
count on the data is not 1.
2010-05-11 16:10:39 +01:00
Owen W. Taylor
4ef041371c text: correct caching logic
This patch combines a number of fixes and improvements to the
layout caching logic in ClutterText.

 * Fix: The width must always be set on the PangoLayout when painting.
   This is necessary because the layout aligns in the width, and
   even when we think we are left-aligned, the auto-dir feature
   of PangoLayout may result in right-alignment.

 * Fix: We should only ever try to reuse a cached layout based
   on its logical width if layout.width was -1 when computing
   that logical width. If the layout was already ellipsized,
   then comparing the logical width to the new width we are
   trying to wrap to doesn't make sense. (If "abc" ellipsizes
   to a 15-pixel wide "..." for a width of 1 pixel, that doesn't
   mean that we should use "..." for a width of 15 pixels. Maybe
   "abc" itself is 15 pixels wide.)

 * Improvement: rather than looking up cached layouts based on the
   input allocation_width/allocation_height, look them up based
   on the actual width/height/ellipsize that we pass to create
   a layout. This is simpler and improves the chance we'll get
   a cache hit when appropriate even if there are small floating
   point differences.

Note because of the first fix this is less aggressive than dd40732
in caching layouts; get_preferred_width() and painting can't share
a layout since get_preferred_width() needs to pass a width of -1
to Pango and painting needs to pass the real width.

The patch has been updated from the clutter-1.2 branch to current
master; using the profiling instrumentation it is possible to verify
with test-text-field that the hit/miss counters go from:

   Name                                   Total Per Frame
   ----                                   ----- ---------
   Text layout cache hit counter          13    6
   Text layout cache miss counter         11    5

before applying the patch, to:

   Name                                   Total Per Frame
   ----                                   ----- ---------
   Text layout cache miss counter         4     2
   Text layout cache hit counter          3     1

after applying the patch.

https://bugzilla.gnome.org/show_bug.cgi?id=618104

http://bugzilla.openedhand.com/show_bug.cgi?id=2109

Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
2010-05-11 12:22:30 +01:00
Neil Roberts
16680c74f3 Revert "clutter-cairo-texture: Use the new cogl_pixel_buffer API"
This reverts commit 716ec82db8.

The Cogl pixel buffer API currently has problems if an atlas texture
is created or the format needs to be converted. The atlas problem
doesn't currently show because the atlas rejects BGR textures anyway
but we may want to change this soon. The problem with format
conversion would happen under GLES because that does not support BGR
textures at all so Cogl has to do the conversion. However it doesn't
currently show either because GLES has no support for buffer objects
anyway.

It's also questionable whether the patch would give any performance
benefit because Cairo needs read/write access which implies the buffer
can't be put in write-optimised memory.

Conflicts:

	clutter/clutter-cairo-texture.c

http://bugzilla.openedhand.com/show_bug.cgi?id=1982
2010-05-10 16:17:32 +01:00
Owen W. Taylor
af37a1029f cogl-framebuffer: Flush journal when creating fbo
Since framebuffer state is not flushed prior to replaying the journal,
the trick of marking the framebuffer dirty prior to calling
glBindFramebuffer() doesn't work... the outstanding journal entries
will get replayed to the newly created framebuffer.

Fix this by flushing the journal as well.

http://bugzilla.openedhand.com/show_bug.cgi?id=2110

Signed-off-by: Robert Bragg <robert@linux.intel.com>
2010-05-10 14:38:10 +01:00
Emmanuele Bassi
4c850d39c5 Fix annotation typos 2010-05-09 00:14:24 +01:00
Neil Roberts
493041c505 clutter-cairo-texture: Fix destroying the old texture
In clutter_cairo_texture_create_region it tries to destroy the old
texture before mapping the PBO by setting the texture on the first
layer of the material to COGL_INVALID_HANDLE. However it was using the
material API incorrectly so it ended up showing a warning and doing
nothing.
2010-05-07 18:28:46 +01:00
Neil Roberts
0021b4aee0 cogl-clip-stack: Set *stencil_used_p when the stack is empty
If the clip stack is empty then _cogl_clip_stack_flush exits
immediately. This was missing out the assignment of *stencil_used_p at
the bottom of the function. If a path is then used after the clip is
cleared then it would think it needs to merge with the clip so the
stencil would not be cleared correctly.
2010-05-06 14:15:04 +01:00
Neil Roberts
f4ee7dc0e1 clutter-color: Don't directly read the contents of GValue structs
The code for implementing ClutterColor as GParamSpec and the
color↔string transformation functions were assuming that ClutterColor
owns the data in the GValue struct and directly reading
data[0].v_pointer to get a pointer to the color. However ClutterColor
is actually a boxed type and the format of the data array is meant to
be internal to GObject so it is not safe to poke around in it
directly. This patch changes it to use g_value_get_boxed to get the
pointer.

Also, boxed types allow a NULL value to be stored and not all of the
code was coping with this. This patch also attempts to fix that.

http://bugzilla.openedhand.com/show_bug.cgi?id=2068
2010-05-05 18:49:09 +01:00
Neil Roberts
fa1638c0ab clutter-color: Remove the value table
ClutterColor has long had a GTypeValueTable struct around and the
functions defined to be implemented as a fundamental type. However the
struct was never actually used anywhere and ClutterColor is actually
defined as a boxed type. This patch removes the table because it is
very confusing to have code lying around that is not used.

http://bugzilla.openedhand.com/show_bug.cgi?id=2068
2010-05-05 18:49:09 +01:00
Øyvind Kolås
452cb1abbf animator: fix looping when doing cubic interpolation
When using interpolation and the last key is not at 1.0 a bouncing
artifact could be observed after the keys.
2010-05-05 18:24:53 +01:00
Øyvind Kolås
e4089efb4c animator: only keys that are removed due to actors disappearing are inert 2010-05-05 18:24:53 +01:00
Øyvind Kolås
0f8ca38e59 animator: refactoring
renamed KeyAnimator to PropertyIter
2010-05-05 18:24:53 +01:00
Øyvind Kolås
8afb091f56 animator: retain ease-in/interpolation when changing first key
Duplicate the existing ease-in/interpolation mode for the property when
removing, replacing the first key for a property or adding a new first
key for a property.
2010-05-05 18:24:53 +01:00
Øyvind Kolås
d45395d78b animator: fix crash when setting keys on running animator
When inserting or modifying keys of a running animator the internal
iterators per property could go out of sync. Reinitializing the
iterators if the timeline is running avoids this.
2010-05-05 18:24:53 +01:00
Neil Roberts
0ff02d18d2 gles: Fix the functions names for the GL_OES_framebuffer_object ext
In 91cde78a7 I accidentally changed the function names that get looked
up for the framebuffer extension under GLES so that they didn't have
any suffix. The spec for extension specifies that they should have the
OES suffix.
2010-05-05 12:24:11 +01:00
Owen W. Taylor
d8e1bd989c Ignore unexpected GLX_BufferSwapComplete
A server that supports GLX_BufferSwapComplete will always send
these events, so we should just silently ignore them if we've
chosen not to take advantage of the INTEL_swap_event GLX
extension.

http://bugzilla.openedhand.com/show_bug.cgi?id=2102

Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
2010-05-05 12:00:40 +01:00
Emmanuele Bassi
33642757f5 animation: Use 'guint' for set_duration() parameter
The :duration property and the get_duration() method use unsigned int,
but the setter using a signed integer for no apparent reason.

http://bugzilla.openedhand.com/show_bug.cgi?id=2089
2010-05-05 11:32:39 +01:00
Jussi Kukkonen
0835e27380 container: use CLUTTER_IS_ACTOR on correct parameter
clutter_container_create_child_meta() uses CLUTTER_IS_ACTOR on the
container parameter instead of the actor parameter.

http://bugzilla.openedhand.com/show_bug.cgi?id=2087

Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
2010-05-05 11:31:14 +01:00
Damien Lespiau
71f942d03a debug: Use G_UNLIKELY in the tests
Debugging code is not meant to be run in the nominal code path. Use
G_UNLIKELY to be reduce the number of bubbles in the instruction
pipeline.

Took the opportunity to re-indent the macros.
2010-05-04 17:01:14 +01:00
Owen W. Taylor
f9072b8663 Call backend handle_event from clutter_x11_handle_event()
Whether events come from the main loop source or from
clutter_x11_handle_event(), we need to feed them to the backend
virtual handle_event function. This fixes problems with clients
using clutter_x11_handle_event() hanging because
GLXBufferSwapComplete events aren't received.

http://bugzilla.openedhand.com/show_bug.cgi?id=2101
2010-05-04 11:04:03 +01:00
Robert Bragg
d6dbd62021 debug: wrap glClear calls with the GE macro
This adds a GE macro wrapper around our calls to glClear so we can
print a warning for any errors reported by the driver.
2010-04-30 12:10:16 +01:00
Neil Roberts
e477768bd8 cogl-texture-2d-sliced: Use the converted bitmap when uploading
When uploading texture data the cogl-texture-2d-sliced backend was
using _cogl_texture_prepare_for_upload to create a bitmap suitable for
upload but then it was using the original bitmap instead of the new
bitmap for the data. This was causing any format conversions performed
by cogl_texture_prepare_for_upload to be ignored.

http://bugzilla.openedhand.com/show_bug.cgi?id=2059
2010-04-29 13:15:36 +01:00
Neil Roberts
405d529f44 cogl-texture: Don't attempt to use GL to convert formats under GLES
In commit abe91784c4 I changed cogl-texture so that it would use the
OpenGL mechanism to specify a different internal texture format from
the image format so that it can do the conversion instead of
Cogl. However under GLES the internal format and the image format must
always be the same and it only supports a limited set of formats. This
patch changes _cogl_texture_prepare_for_upload so that it does the
conversion using the cogl bitmap code when compiling for GLES.

http://bugzilla.openedhand.com/show_bug.cgi?id=2059
2010-04-29 13:15:35 +01:00
Neil Roberts
8530b7946a cogl-material: Fix the check to prevent using too many layers
There was a check at the bottom of the loop which sets up the state
for each of the layers so that it would break from the loop when the
maximum number of layers is reached. However after doing this it would
not increment 'i'. 'i' is later used to disable the remaining layers
so it would end up disabling the last layer it just set up.

This patch moves the check to be part of the loop condition so that
the check is performed after incrementing 'i'.

http://bugzilla.openedhand.com/show_bug.cgi?id=2064
2010-04-29 12:15:17 +01:00
Neil Roberts
3c2bb33cbd cogl-material: Fix the warning for when too many layers are used
The warning displayed when too many layers are used had an off-by-one
error so that it would display even if exactly the maximum number is
used. There was also a missing space at the end of the line in the
message which looked wrong when displayed on the terminal.

http://bugzilla.openedhand.com/show_bug.cgi?id=2064
2010-04-29 12:15:11 +01:00
Emmanuele Bassi
ce261025f6 Fix clutter_event_get_coords() for crossing events
The ClutterCrossingEvent data structure contains the coordinates
of the crossing; they are regularly filed out by Clutter and by
the backend event processing code. And yet clutter_event_get_coords()
returns (0, 0) because it thinks that CLUTTER_ENTER and CLUTTER_LEAVE
events do not have coordinates.
2010-04-28 16:19:37 +01:00
Emmanuele Bassi
b7098563c2 actor: Make consistent use of the name in error reporting
Whenever we are warning inside ClutterActor we prefer the actor's name
to its type, if the name is set. The current code is made less readable
by the use of the ternary operator:

  priv->name != NULL ? priv->name : G_OBJECT_TYPE_NAME (self)

This looks like a job for a simple convenience function.
2010-04-27 10:12:25 +01:00
Emmanuele Bassi
9024cd9f7c Clean up the Texture private data structure 2010-04-26 16:27:15 +01:00
Neil Roberts
a881c8b07e cogl-path: Make cogl_path_arc_rel static
cogl_path_arc_rel was never in any public headers so it isn't part of
the public API. It also has a slightly inconsistent name because the
rest of the relative path functions are called cogl_path_rel_*. This
patch makes it static for now to make it more obvious that it isn't
public. The name has changed to _cogl_path_rel_arc.
2010-04-22 18:17:59 +01:00
Neil Roberts
e16f05326e cogl-path: Add documentation for the angles of cogl_path_arc
This adds documentation for how Cogl interprets the angles given to
cogl_path_arc.
2010-04-22 18:17:59 +01:00
Emmanuele Bassi
73e4d49053 profile: Add profiling points for Text
Add a static timer for the text layout code, and two counters for the
layout cache hit and miss conditions.
2010-04-22 17:54:05 +01:00
Emmanuele Bassi
5608a54708 profile: Fix the report generation
Timers and counters might not exist, so make every section of the
profile report depend on the object that it is querying.

This fixes the profile report generation that was broken by commit
8146d8d08d.
2010-04-22 17:52:13 +01:00
Emmanuele Bassi
05cf570570 actor: Add an internal variant of get_stage()
For internal use we should have a get_stage_internal() variant that
avoids type checks and calls to public functions. The implementation
is trivial enough, and it will avoid (scene graph depth + 1) type
checks and (scene graph depth) function calls.
2010-04-22 16:49:57 +01:00
Emmanuele Bassi
1355c19f66 docs: Fix gtk-doc warnings 2010-04-22 16:39:18 +01:00
Neil Roberts
3196658b8c cogl-path: Fix the truncation when adding to a copied path
If a path is copied and then appended to, the copy needs to have the
last sub path truncated so that it fits in the total path size in case
the original path was modified. However the path size check was broken
so if the copied path had more than one sub path it would fail.
2010-04-21 22:36:43 +01:00
Neil Roberts
abc64a2c67 cogl-clip-stack: Use orientation of the polygon to set clip planes
Previously the clip stack code was trying to detect when the
orientation of the on-screen rectangle had changed by checking if the
order of the y-coordinates on the left edge was different from the
order the x-coordinates on the top edge. This doesn't work for some
rotations which was causing the clip planes to clip the wrong side of
the line. This patch makes it detect the orientation by calculating
the signed area which is a standard computer graphics algorithm.

http://bugzilla.openedhand.com/show_bug.cgi?id=2079
2010-04-21 13:24:59 +01:00
Neil Roberts
7f2b2e1364 cogl-path: Document how a shape is filled
This adds some documentation to cogl_path_fill() describing the fill
rule Cogl uses.
2010-04-21 13:20:23 +01:00
Neil Roberts
44c86fcead cogl-path: Don't try to union sub paths
When drawing a path with only a single sub path, Cogl uses the
'even-odd' fill rule which means that if a part of the path intersects
with another part then the intersection would be inverted. However
when combining sub paths it treats them as separate paths and then
unions them together. This doesn't match the semantics of the even-odd
rule in SVG and Cairo. This patch makes it so that a new sub path is
just drawn as another triangle fan so that it will continue to invert
the stencil buffer. This is also much simpler and more efficient as
well as being more correct.

http://bugzilla.openedhand.com/show_bug.cgi?id=2088
2010-04-21 11:39:28 +01:00
Neil Roberts
78dc59b348 picking: Read the colour value using COGL_PIXEL_FORMAT_RGBA_8888_PRE
In commit c0a553163b I changed the format used to read the picking
pixel to COGL_PIXEL_FORMAT_RGB_888 because it was convenient to avoid
the premult conversion. However this broke picking on GLES on some
platforms because for that glReadPixels is only guaranteed to support
GL_RGBA with GL_UNSIGNED_BYTE. Since the last commit cogl_read_pixels
will always use that format but it will end up with a conversion back
to RGB_888. This patch avoids that conversion and avoids the premult
conversion by reading in RGBA_8888_PRE.

http://bugzilla.openedhand.com/show_bug.cgi?id=2057
2010-04-21 11:34:04 +01:00
Neil Roberts
0cb09cd40d cogl_read_pixels: Always use GL_RGBA/GL_UNSIGNED_BYTE under GLES
Under GLES glReadPixels is documented to only support GL_RGBA with
GL_UNSIGNED_BYTE and an implementation specfic format which can be
fetched with glGet, GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES and
GL_IMPLEMENTATION_COLOR_READ_TYPE_OES. This patch makes it always read
using GL_RGBA and GL_UNSIGNED_BYTE and then convert the results if
neccessary.

This has some room for improvement because it doesn't attempt to use
the implementation specific format. Also the conversion is somewhat
wasteful because there are currently no cogl_bitmap_* functions to
convert without allocating a new buffer so it ends up doing an
intermediate copy.

http://bugzilla.openedhand.com/show_bug.cgi?id=2057
2010-04-21 10:56:21 +01:00
Neil Roberts
9750b90f37 cogl-bitmap: Fix converting formats with and without alpha channels
_cogl_bitmap_convert_format_and_premult was failing when converting
from RGBA to RGB and vice versa. _cogl_bitmap_fallback_convert
converts without altering the premult status so when choosing a new
format it would copy over the premult bit. However, it did this
regardless of whether the new format had an alpha channel so when
converting from RGBA_8888_PRE to RGB_888 it would end up inventing a
new meaningless format which would be RGB_888_PRE. This patch makes it
avoid copying the premult flag if the destination has no alpha. It
doesn't matter if it copies when the source format has no alpha
because it will always be unset.

_cogl_bitmap_convert_format_and_premult was also breaking when
converting from RGBA_8888_PRE to RGB_888 because it would think
RGB_888 is unpremultiplied and try to convert but then
_cogl_bitmap_fallback_premult wouldn't know how to do the conversion.

http://bugzilla.openedhand.com/show_bug.cgi?id=2057
2010-04-21 10:56:21 +01:00
Neil Roberts
a28440eafb clutter-texture: Remove confusing comments about realization
In 125bded81 some comments were introduced to ClutterTexture
complaining that it can have a Cogl texture before being
realized. Clutter always assumes that the single GL context is current
so there is no need to wait until the actor is realized before setting
a texture. This patch replaces the comments with clarification that
this should not be a problem.

The patch also changes the documentation about the realized state in
various places to clarify that it is acceptable to create any Cogl
resources before the actor is realized.

http://bugzilla.openedhand.com/show_bug.cgi?id=2075
2010-04-19 15:34:43 +01:00
Robert Bragg
62ac3b312e glx: handle spurious GLX_BufferSwapComplete events gracefully
Instead of simply aborting we now print out a warning, when a spurious
GLX_BufferSwapComplete event is handled since it seems that people are
coming across the problem (perhaps due to a buggy driver) and making
apps crash in this situation is a bit extreme.
2010-04-19 11:24:42 +01:00
Neil Roberts
716ec82db8 clutter-cairo-texture: Use the new cogl_pixel_buffer API
ClutterCairoTexture now stores the surface image data in a Cogl pixel
buffer object. When clutter_cairo_texture_create is called the buffer
is mapped and a new Cairo surface is created to render directly to the
PBO. When the surface is destroyed the buffer is unmapped and a Cogl
texture is recreated from the buffer. This should enable slightly
faster uploads when using Cairo because it avoids having to copy the
surface data to the texture.

http://bugzilla.openedhand.com/show_bug.cgi?id=1982

Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
2010-04-16 13:19:57 +01:00