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cogl-program: Add private functions to check if have each shader type
This adds two internal functions: gboolean _cogl_program_has_fragment_shader (CoglHandle handle); gboolean _cogl_program_has_vertex_shader (CoglHandle handle); They just check whether any of the contained shaders are of that type.
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@ -75,4 +75,10 @@ _cogl_program_flush_uniforms (CoglProgram *program,
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CoglShaderLanguage
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_cogl_program_get_language (CoglHandle handle);
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gboolean
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_cogl_program_has_fragment_shader (CoglHandle handle);
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gboolean
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_cogl_program_has_vertex_shader (CoglHandle handle);
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#endif /* __COGL_PROGRAM_H */
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@ -681,3 +681,32 @@ _cogl_program_get_language (CoglHandle handle)
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else
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return COGL_SHADER_LANGUAGE_GLSL;
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}
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static gboolean
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_cogl_program_has_shader_type (CoglProgram *program,
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CoglShaderType type)
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{
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GSList *l;
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for (l = program->attached_shaders; l; l = l->next)
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{
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CoglShader *shader = l->data;
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if (shader->type == type)
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return TRUE;
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}
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return FALSE;
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}
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gboolean
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_cogl_program_has_fragment_shader (CoglHandle handle)
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{
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return _cogl_program_has_shader_type (handle, COGL_SHADER_TYPE_FRAGMENT);
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}
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gboolean
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_cogl_program_has_vertex_shader (CoglHandle handle)
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{
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return _cogl_program_has_shader_type (handle, COGL_SHADER_TYPE_VERTEX);
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}
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