68b3643b25
This adds a hook called COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM. This can be used to alter the application of the layer user matrix to a texture coordinate or it can bypass it altogether. This is the first per-layer hook that affects the vertex shader state so the patch includes the boilerplate needed to get that to work. Reviewed-by: Robert Bragg <robert@linux.intel.com>
144 lines
5.7 KiB
C
144 lines
5.7 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*
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*
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* Authors:
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* Robert Bragg <robert@linux.intel.com>
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*/
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#ifndef __COGL_PIPELINE_LAYER_STATE_PRIVATE_H
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#define __COGL_PIPELINE_LAYER_STATE_PRIVATE_H
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#include "cogl-pipeline-layer-state.h"
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#include "cogl-pipeline-private.h"
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CoglPipelineLayer *
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_cogl_pipeline_set_layer_unit (CoglPipeline *required_owner,
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CoglPipelineLayer *layer,
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int unit_index);
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CoglPipelineFilter
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_cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline,
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int layer_index);
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CoglPipelineFilter
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_cogl_pipeline_get_layer_mag_filter (CoglPipeline *pipeline,
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int layer_index);
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gboolean
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_cogl_pipeline_layer_texture_target_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1,
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CoglPipelineEvalFlags flags);
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gboolean
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_cogl_pipeline_layer_texture_data_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1,
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CoglPipelineEvalFlags flags);
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gboolean
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_cogl_pipeline_layer_combine_state_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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gboolean
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_cogl_pipeline_layer_combine_constant_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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gboolean
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_cogl_pipeline_layer_filters_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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gboolean
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_cogl_pipeline_layer_wrap_modes_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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gboolean
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_cogl_pipeline_layer_user_matrix_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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gboolean
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_cogl_pipeline_layer_point_sprite_coords_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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gboolean
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_cogl_pipeline_layer_vertex_snippets_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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gboolean
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_cogl_pipeline_layer_fragment_snippets_equal (CoglPipelineLayer *authority0,
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CoglPipelineLayer *authority1);
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void
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_cogl_pipeline_layer_hash_unit_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_texture_target_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_texture_data_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_filters_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_wrap_modes_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_combine_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_combine_constant_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_user_matrix_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_point_sprite_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_vertex_snippets_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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void
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_cogl_pipeline_layer_hash_fragment_snippets_state (CoglPipelineLayer *authority,
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CoglPipelineLayer **authorities,
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CoglPipelineHashState *state);
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#endif /* __COGL_PIPELINE_LAYER_STATE_PRIVATE_H */
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