Commit Graph

10 Commits

Author SHA1 Message Date
Neil Roberts
afe3929618 test-cogl-materials: Use GL_MAX_VERTEX_ATTRIBS on GLES2
When determining the maximum number of layers we also need to take
into account GL_MAX_VERTEX_ATTRIBS on GLES2. Cogl needs one vertex
attrib for each texture unit plus two for the position and color.
2010-12-13 17:29:14 +00:00
Neil Roberts
f1752ff3ba Avoid mixing declarations and code
Mixing declarations and code causes problems for MSVC as it is a C99
feature so we should try to avoid it.
2010-10-25 13:18:25 +01:00
Emmanuele Bassi
abef73bb58 Replace cogl_color_set_from_* with cogl_color_init_from_*
The former is not yet "officially" deprecated by the latter, but it's
confusing to have them both in the code base.
2010-09-03 16:58:47 +01:00
Robert Bragg
4ca1e491da tests: don't delay/skip frames due to glReadPixel concerns
This greatly speeds up running all the conformance tests by no longer
delaying many of the tests for a number of dummy frames to be painted.

We used to skip frames because we thought there was a problem with the
driver's glReadPixels implementation. Although we have seen driver
issues at times the real reason the delay was needed was because
resizing the stage usually happens asynchronously (because a non
synchronous X request is used by clutter_stage_set_size()). We now force
all X requests to be synchronized for the conformance tests so this is
no longer a problem and we can avoid these hacks.
2010-07-08 22:40:35 +01:00
Neil Roberts
70abe3dd8a test-cogl-materials: Test invalid layers with a constant color
This adds a test using a layer with no texture but that replaces the
fragment color with the layer constant. This currently causes the test
to fail.

http://bugzilla.openedhand.com/show_bug.cgi?id=2132
2010-05-24 16:10:56 +01:00
Neil Roberts
ff7ce2c5b2 test-cogl-materials: Run the 'all layers' test with different prims
The drawing code from test_invalid_texture_layers which draws a
rectangle, a polygon and a vertex buffer has been split out to
separate function. test_using_all_layers now also uses this so that it
will also test the other two primitives. This causes the test to fail
when all of the layers are drawn using a vertex buffer.

http://bugzilla.openedhand.com/show_bug.cgi?id=2132
2010-05-24 16:10:56 +01:00
Neil Roberts
871683abd3 test-cogl-materials: Fix compilation under GLES 2
GLES 2 doesn't have GL_MAX_TEXTURE_UNITS. Instead the cogl backend
uses GL_MAX_TEXTURE_IMAGE_UNITS with a maximum limit of 16. The same
restriction is now used in the test.
2010-05-18 16:11:58 +01:00
Neil Roberts
a3bc4a6009 test-cogl-materials: Add a test using the maximum number of layers
This adds a test which creates a material using the maximum number of
layers. All of the layers are assigned a white texture except the last
which is set to red. The default combine mode is used for all of the
layers so the final fragment should end up red.

Currently Cogl doesn't provide a way to query the maximum number of
layers so it just uses glGetIntegerv instead. This might cause
problems on GLES 2 because that adds additional restrictions on the
number of layers.

http://bugzilla.openedhand.com/show_bug.cgi?id=2064
2010-04-29 12:15:06 +01:00
Neil Roberts
c0a553163b 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
2010-03-02 11:01:35 +00:00
Robert Bragg
c12470666e tests: rename cogl conformance tests so they can be clearly identified
All Cogl conformance tests are now prefixed 'test-cogl-'
2009-11-27 00:28:39 +00:00