Commit Graph

1620 Commits

Author SHA1 Message Date
Robert Bragg
43c4b21a1d Adds an example cogl wayland compositor
This adds an example cogl compositor to test the
_cogl_wayland_texture_2d_new_from_buffer API. The compositor emulates 4
output displays but doesn't support input since Cogl doesn't deal with
input. It's quite a minimal example of what it takes to write a wayland
compositor so could be interesting to anyone learning about wayland.
2011-06-01 20:44:42 +01:00
Robert Bragg
4a97fc0a1e egl: fix some #ifdef guards
In the winsys vtable .xlib_get_visual_info and
.onscreen_x11_get_window_xid should be guarded by the
COGL_HAS_EGL_PLATFORM_POWERVR_X11_SUPPORT because they need to be there
if cogl is configured with --enable-xlib-egl-platform but not if just
configured with --enable-xlib.
2011-06-01 20:44:42 +01:00
Robert Bragg
b934859dde renderer: set winsys on renderer before ->renderer_connect
When iterating through all the possible window systems trying to find
one we can successfully connect we now associated the current winsys
vtable with the renderer before calling winsys->renderer_connect in case
the implementation calls some other Cogl API that expects to be able to
determine the current winsys. For example calling _cogl_get_proc_address
when querying winsys extensions as part of a successful connect will
need to get at the current winsys vtable.
2011-06-01 20:44:42 +01:00
Robert Bragg
656f28de2f glx: make sure _cogl_winsys_get_proc_address is static
Make sure not to export _cogl_winsys_get_proc_address outside of
cogl-winsys-glx.c
2011-06-01 20:44:42 +01:00
Robert Bragg
a29a76dbab Adds _cogl_wayland_texture_2d_new_from_buffer API
This adds internal API to be able to wrap a wayland buffer as a
CoglTexture2D. There is a --enable-wayland-egl-server option to decide
if Cogl should support this feature and potentially any EGL based winsys
could support this through the EGL_KHR_image_base and
EGL_WL_bind_display extensions.
2011-06-01 20:44:42 +01:00
Robert Bragg
8714d99300 egl: Add x11 texture-from-pixmap support
By using the EGL_KHR_image_base/pixmap extensions this adds support for
wrapping X11 pixmaps as CoglTexture2D textures. Clutter will
automatically take advantage of this if using the
ClutterX11TexturePixmap actor.
2011-06-01 20:44:42 +01:00
Robert Bragg
60b25615fd Add _cogl_egl_texture_2d_new_from_image API
This adds an internal texture_2d constructor that can wrap an EGLImage
as a CoglTexture2D. The plan is to utilize this for texture-from-pixmap
support with EGL as well as creating textures from wayland buffers.
2011-06-01 20:44:42 +01:00
Robert Bragg
c9f1541de0 egl: check or EGL/eglext.h
While running configure we now check for EGL/eglext.h and if found we
will substitute an inclusion in cogl-defines.h.
2011-06-01 20:44:41 +01:00
Robert Bragg
52aada8442 egl: Check EGL extension as early as possible
Instead of waiting until initializing a CoglContext we now check EGL
extensions after calling eglInitialize.
2011-06-01 20:44:41 +01:00
Robert Bragg
be15bf75e4 Add internal _cogl_get_proc_address
This adds an internal _cogl_get_proc_address that doesn't need a
CoglContext. This will enable us to check driver features earlier.
2011-06-01 20:44:41 +01:00
Robert Bragg
32e7c93aff configure.ac: move the --enable-cairo check
This moves the --enable-cairo check because it was put in the middle of
the logic that handles the --enable-debug option. This moves the
--enable-cairo check down after the --enable-debug logic and adds a
comment header to delimit the option like we have for other options.
2011-06-01 20:44:41 +01:00
Robert Bragg
b380fed23d Make stub winsys into a proper winsys backend
Instead of the stub winsys being a special case set of #ifdef'd code
used when COGL_HAS_FULL_WINSYS wasn't defined, the stub winsys now
implements a CoglWinsysVtable like all other winsys backends (it's just
that everything is a NOP). This way we can get rid of the
COGL_HAS_FULL_WINSYS define and also the stub winsys can be runtime
selected whereas before it was incompatible with all other winsys
backends.
2011-06-01 20:44:41 +01:00
Robert Bragg
1ec8525510 cogl-xlib: remove special cases for stub winsys
Since we no longer have any xlib based backends in Clutter that depend
on the stub winsys in Cogl we can now remove all the special case code
we had for this in cogl-xlib.c
2011-06-01 20:44:41 +01:00
Robert Bragg
ee7cc9e788 Make CoglTexture2D public as experimental API
This exposes a CoglTexture2D typedef and adds the following experimental
API:
    cogl_is_texture_2d
    cogl_texture_2d_new_with_size
    cogl_texture_2d_new_from_data
    cogl_texture_2d_new_from_foreign

Since this is experimental API you need to define
COGL_ENABLE_EXPERIMENTAL_API before including cogl.h.

Note: With these new entrypoints we now expect a CoglContext pointer to
be passed in, instead of assuming there is a default context. The aim is
that for Cogl 2.0 we won't have a default context so this is a step in
that direction.
2011-06-01 20:44:41 +01:00
Robert Bragg
80e7e0ef49 configure: remove the --enable-quartz option
Until we have a standalone quartz winsys we don't want to define a
winsys name called "quartz" which is what the current --enable-quartz
option does. For now anyone building for OSX needs to use the stub
winsys and setup their own GL context.
2011-06-01 20:44:41 +01:00
Robert Bragg
1e3f4f62e0 framebuffer: validate width/height in _set_viewport
This validates that the viewport width and height arguments are positive
values in _cogl_framebuffer_set_viewport. In addition, just before
calling glViewport we also assert that something else hasn't gone amiss
and that the internal viewport width/height values we track are still
positive before passing to glViewport which generates an error for
negative values.
2011-06-01 20:21:59 +01:00
Robert Bragg
5a9b92a4a5 Revert "Initial build of a Quartz winsys stub"
This reverts commit b2e41f1bfa.

We are backing out the quartz specific stub winsys since we can simply
use the generic stub winsys on quartz until we develop a standalone
winsys. Since we plan on removing all special cases for the stub winsys
by handling with a winsys vtable like all the others it's better if we
don't introduce a quartz specific stub.
2011-06-01 20:21:59 +01:00
Robert Bragg
891a9c33c5 Revert "quartz: Remove X11 ifdefs"
This reverts commit eb81ec945c.

We are backing out the quartz specific stub winsys since we can simply
use the generic stub winsys on quartz until we develop a standalone
winsys. Since we plan on removing all special cases for the stub winsys
by handling with a winsys vtable like all the others it's better if we
don't introduce a quartz specific stub.
2011-06-01 20:21:59 +01:00
Emmanuele Bassi
cb321e0e5f build: Don't use bash string substitution in configure.ac
Use the shell-neutral version.

https://bugzilla.gnome.org/show_bug.cgi?id=651256
2011-06-01 16:44:57 +01:00
Neil Roberts
efadc439a4 cogl-journal: Use a pool of vertex arrays
Previously whenever the journal is flushed a new vertex array would be
created to contain the vertices. To avoid the overhead of reallocating
a buffer every time, this patch makes it use a pool of 8 buffers which
are cycled in turn. The buffers are never destroyed but instead the
data is replaced. The journal should only ever be using one buffer at
a time but we cache more than one buffer anyway in case the GL driver
is internally using the buffer in which case mapping the buffer may
cause it to create a new buffer anyway.
2011-06-01 14:41:59 +01:00
Neil Roberts
54f94a0ed0 cogl-pipeline-fragend-fixed: Fix enabling texture targets
When flushing a pipeline that has more layers than the previous
pipeline, the fixed function fragend is supposed to detect that the
texture unit previously had no texture target enabled and then enable
it. However the logic for checking whether the unit was enabled was
broken due to a typing failure when unit->enabled and
unit->current_gl_target were combined into one value in commit
6b7139b0. This was breaking some of the conformance tests when the
fixed function fragend is used.

https://bugzilla.gnome.org/show_bug.cgi?id=650979
2011-05-27 11:59:17 +01:00
Neil Roberts
d8df30cb9c cogl-pipeline-opengl: Don't use number of tex units on fixed-function
The CoglPipeline code uses a combination of GL_MAX_TEXTURE_COORDS,
GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS and GL_MAX_TEXTURE_UNITS to
determine the maximum number of layers to allow in a pipeline. However
on fixed function hardware that doesn't advertise either GLSL or ARBfp
it was still using the first two enums which will probably just return
0 and set a GLerror. This meant that we effectively didn't support
using any layers on purely fixed function hardware. This patch changes
it to only use those two enums if the appropriate extensions are
advertised and to always use GL_MAX_TEXTURE_UNITS except on GLES2
where there is no fixed function.

https://bugzilla.gnome.org/show_bug.cgi?id=650966
2011-05-27 11:59:17 +01:00
Emmanuele Bassi
19e1dcff23 framebuffer: Bail out if the viewport has negative size 2011-05-25 16:49:09 +01:00
Emmanuele Bassi
eb81ec945c quartz: Remove X11 ifdefs 2011-05-25 16:47:38 +01:00
Emmanuele Bassi
b2e41f1bfa Initial build of a Quartz winsys stub 2011-05-24 23:08:59 +01:00
Emmanuele Bassi
df688ad0c8 build: Fix platform detection for Quartz/OSX
The location of the header files for GL and the linker flags are
different on Mac OS X than other Unices.
2011-05-24 23:08:59 +01:00
Damien Lespiau
97abcda1a2 build: Fix generation of the documentation Makefiles
Automake seems a bit fragile when trying to do cunning things like
including a file with "-include". It does not recurse into that file (if
it exists) to generate the final Makefiles.

Let's add a if BUILD_GTK_DOC guard around the gtk-doc.make inclusion
instead, hopefully should work as intended.
2011-05-18 14:14:28 +01:00
Emmanuele Bassi
57db73873e pipeline: Fix argument checking in set_depth_state() 2011-05-18 11:50:56 +01:00
Damien Lespiau
8680e3bfeb android: Expose the only android specific symbol as experimental 2011-05-17 15:24:55 +01:00
Damien Lespiau
8e949ff560 build: Allow to forcefully disable the usage cairo
Provide an option to disable cairo usage in the debugging code even if
we find the pc file.
2011-05-17 15:24:54 +01:00
Damien Lespiau
e157971cd8 debug: Allow to compile a debug Cogl without cairo
For people still wanting the debugging code, but don't have or don't
want to compile cairo for their platform.
2011-05-17 15:24:54 +01:00
Damien Lespiau
aa27ec56df android: Add a port of the Cogl hello world example 2011-05-17 15:24:54 +01:00
Damien Lespiau
f436582114 android: Add support for an EGL/Android winsys
The native window type of the EGL/Android winsys is ANativeWinow*. The
Android NDK gives you a pointer to this ANativeWindow and you just need
to configure that window using the EGLConfig you are choosing when
creating the context.

This means you have to know the ANativeWindow* window before creating
the context. This is solved here by just having a global variable you
can set with cogl_android_set_native_window() before creating the
context. This is a bit ugly though, and it conceptually belongs to the
OnScreen creation to know which ANativeWindow* to use. This would need a
"lazy context creation" mechanism, waiting for the user to create the
OnScreen to initialize the GL context.
2011-05-17 15:24:54 +01:00
Damien Lespiau
bde6979c06 framebuffer: Checks if glBindFramebuffer() exists when using GLES1
With GLES 1, frame buffers are a optional extensions. We need to make
sure the pointer exist before calling the function and do that by just
checkout the corresponding feature.
2011-05-17 15:24:54 +01:00
Damien Lespiau
d384466a58 winsys-egl: Use g_clear_error() between two context creation tries
When try_create_context() returns saying that it has to be run again to
try to create a context with an alternate configuration, it might not
have a GError set (and in fact it does not right now).
g_clear_error() handles that case where error is still NULL;
2011-05-17 15:24:54 +01:00
Damien Lespiau
051e6da887 misc: Add the single include guard to cogl-define.h
This is a generated file and maybe the reason why it was not included
the first time?
2011-05-17 15:24:54 +01:00
Damien Lespiau
dd5a1c888b gles1: Include GLES/egl.h or EGL/egl.h depending on the implementation
Early implementations provided only a GLES/egl.h while Khronos's
implementer guide now states EGL/egl.h is the One. Some implementations
keep a GLES/egl.h wrapper around EGL/egl.h for backward compatibility
while others provide EGL/egl.h only.

Also took the opportunity to factorize a bit this inclusion in
cogl-defines.h.
2011-05-17 15:24:54 +01:00
Damien Lespiau
1d6c6f0dad build: Fix the Win32 platform test for GLES2
The error message has a small typo (copy and paste from the GLES1
detection code) and the check was reversed.
2011-05-17 15:24:54 +01:00
Damien Lespiau
780c6fe05d build: Ensure EGL related variables are defined even when EGL_CHECKED=yes
When checking for EGL earlier in the configure script (ie EGL_CHECKED is
"yes"), we did not execute some EGL code. Let's split that code in two:
  - A first part that has a last change to check for EGL
  - A second one that defines variables and that should always been run
    in an EGL build
2011-05-17 15:24:54 +01:00
Damien Lespiau
3530354d5d build: Fix the GLES headers check
GLES/glext.h and GLES2/gl2ext.h need to include GLES/gl.h and
GLES2/gl2.h respectively to get the GL types.

This used to work as autoconf used to only do a preprocessor pass in
AC_CHECK_HEADER(S), but now it also tries to compile a small test
program and thus the test failed.
2011-05-17 15:24:54 +01:00
Damien Lespiau
0ac8135b87 build: Fix the Win32 platform test for GLES1
We want to bail out if trying to configure Cogl with GLES1 on Windows.
Not the opposite.
2011-05-17 15:24:54 +01:00
Damien Lespiau
25cd2e12f9 misc: Add a .vimrc file
For people using per project vimrc files, provide a vim config file that
describes Cogl's coding style.
2011-05-17 15:24:54 +01:00
Robert Bragg
cb7433cce9 Adds missing cogl-depth-state-private.h
This file was accidentally missed in the last commit
2011-05-16 18:45:51 +01:00
Robert Bragg
07c0b9f89f Add CoglDepthState API
Instead of simply extending the cogl_pipeline_ namespace to add api for
controlling the depth testing state we now break the api out. This adds
a CoglDepthState type that can be stack allocated. The members of the
structure are private but we have the following API to setup the state:

    cogl_depth_state_init
    cogl_depth_state_set_test_enabled
    cogl_depth_state_get_test_enabled
    cogl_depth_state_set_test_function
    cogl_depth_state_get_test_function
    cogl_depth_state_set_writing_enabled
    cogl_depth_state_get_writing_enabled
    cogl_depth_state_set_range
    cogl_depth_state_get_range

This removes the following experimental API which is now superseded:

    cogl_material_set_depth_test_enabled
    cogl_material_get_depth_test_enabled
    cogl_material_set_depth_test_function
    cogl_material_get_depth_test_function
    cogl_material_set_depth_writing_enabled
    cogl_material_get_depth_writing_enabled
    cogl_material_set_depth_range
    cogl_material_get_depth_range

Once a CoglDepthState structure is setup it can be set on a pipeline
using cogl_pipeline_set_depth_state().
2011-05-16 18:36:44 +01:00
Neil Roberts
eb109e6cc0 cogl-primitive: Fix some broken changes for removal of NULL terminator
Commit 3c1e83c7 changed uses of arrays of CoglAttributes to take a
length instead of being NULL terminated. In cogl_primitive_new it was
still adding the NULL terminator to the array it passes to
cogl_primitive_new_with_attributes but then it was also including this
terminator in the count so it would just segfault when it tries to ref
the NULL pointer. Also _cogl_primitive_new_with_attributes_unref was
still trying to detect the NULL terminator so it would also crash.
2011-05-16 18:34:22 +01:00
Robert Bragg
f23a387359 pango: ensure g-ir-compiler can find Cogl-1.0.gir
This uses INTROSPECTION_COMPILER_ARGS to pass
--includedir=$(top_builddir)/cogl so when building the CoglPango typelib
the compiler can find the required Cogl-1.0.gir file.
2011-05-16 17:33:17 +01:00
Robert Bragg
47da69cc3e doc: fix the name of the cogl_quaternion_equal args 2011-05-16 17:08:30 +01:00
Neil Roberts
a466dc272b Don't include cogl-pango.h when scanning introspection data
cogl/cogl-pango.h can't be included unless the include directory for
Pango is given in the compiler flags. In an application, it is
expected that if they are using this header then they would pull in
cogl-pango-1.0.pc which would provide this. However when building Cogl
itself we might be building without Pango support so the Makefile
can't rely on PANGO_CFLAGS. This was breaking building the
introspection data because cogl-pango.h was listed as one of the files
to scan but it can't be included.
2011-05-16 15:41:25 +01:00
Robert Bragg
3c1e83c7f5 Don't pass around NULL terminated CoglAttribute arrays
For the first iteration of the CoglAttribute API several of the new
functions accepted a pointer to a NULL terminated list of CoglAttribute
pointers - probably as a way to reduce the number of arguments required.
This style isn't consistent with existing Cogl APIs though and so we now
explicitly pass n_attributes arguments and don't require the NULL
termination.
2011-05-16 14:32:37 +01:00
Robert Bragg
bf7653ac93 Rename CoglIndexArray to CoglIndexBuffer
This is part of a broader cleanup of some of the experimental Cogl API.
One of the reasons for this particular rename is to switch away from
using the term "Array" which implies a regular, indexable layout which
isn't the case. We also want to strongly imply a relationship between
CoglBuffers and CoglIndexBuffers and be consistent with the
CoglAttributeBuffer and CoglPixelBuffer APIs.
2011-05-16 14:31:31 +01:00