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3 Commits

Author SHA1 Message Date
Emmanuele Bassi
23084b9768 docs: Effects fixes for the API reference 2010-06-03 14:34:41 +01:00
Emmanuele Bassi
0e9a1dee6d shader-effect: Simplify setting the shader source 
Sub-classes of ShaderEffect currently have to get the handle for the
Cogl shader and call cogl_shader_source(); this makes it awkward to
implement a ShaderEffect, and it exposes handles and Cogl API that we
might want to change in the future.

We should provide a ClutterShaderEffect method that allows to (safely)
set the shader source at the right time for sub-classes to use.
 2010-06-03 14:10:55 +01:00
Emmanuele Bassi
5a5b21446c effect: Add BlurEffect 
A simple, GLSL shader-based blur effect.

The blur shader is taken straight from the test-shader.c interactive
test case. It's a fairly clunky, inefficient and visually incorrect
implementation of a box blur, but it's all we have right now until I
figure out a way to do multi-pass shading with the current API.
 2010-06-03 14:10:55 +01:00