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https://github.com/brl/mutter.git
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d4459e2d42
This splits out the core CoglPipelineLayer support code from cogl-pipeline.c into cogl-pipeline-layer.c; it splits out the debugging code for dumping a pipeline to a .dot file into cogl-pipeline-debug.c and it splits the CoglPipelineNode support which is shared between CoglPipeline and CoglPipelineLayer into cogl-node.c. Note: cogl-pipeline-layer.c only contains the layer code directly relating to CoglPipelineLayer objects; it does not contain any _cogl_pipeline API relating to how CoglPipeline tracks and manipulates layers.
285 lines
8.3 KiB
C
285 lines
8.3 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) 2008,2009,2010,2011 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "cogl-context-private.h"
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#include "cogl-pipeline-private.h"
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#include "cogl-pipeline-layer-private.h"
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#include "cogl-node-private.h"
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#include <glib.h>
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typedef struct
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{
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int parent_id;
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int *node_id_ptr;
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GString *graph;
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int indent;
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} PrintDebugState;
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static gboolean
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dump_layer_cb (CoglNode *node, void *user_data)
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{
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CoglPipelineLayer *layer = COGL_PIPELINE_LAYER (node);
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PrintDebugState *state = user_data;
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int layer_id = *state->node_id_ptr;
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PrintDebugState state_out;
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GString *changes_label;
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gboolean changes = FALSE;
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if (state->parent_id >= 0)
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g_string_append_printf (state->graph, "%*slayer%p -> layer%p;\n",
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state->indent, "",
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layer->_parent.parent,
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layer);
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g_string_append_printf (state->graph,
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"%*slayer%p [label=\"layer=0x%p\\n"
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"ref count=%d\" "
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"color=\"blue\"];\n",
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state->indent, "",
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layer,
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layer,
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COGL_OBJECT (layer)->ref_count);
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changes_label = g_string_new ("");
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g_string_append_printf (changes_label,
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"%*slayer%p -> layer_state%d [weight=100];\n"
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"%*slayer_state%d [shape=box label=\"",
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state->indent, "",
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layer,
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layer_id,
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state->indent, "",
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layer_id);
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if (layer->differences & COGL_PIPELINE_LAYER_STATE_UNIT)
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{
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changes = TRUE;
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g_string_append_printf (changes_label,
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"\\lunit=%u\\n",
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layer->unit_index);
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}
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if (layer->differences & COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA)
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{
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changes = TRUE;
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g_string_append_printf (changes_label,
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"\\ltexture=%p\\n",
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layer->texture);
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}
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if (changes)
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{
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g_string_append_printf (changes_label, "\"];\n");
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g_string_append (state->graph, changes_label->str);
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g_string_free (changes_label, TRUE);
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}
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state_out.parent_id = layer_id;
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state_out.node_id_ptr = state->node_id_ptr;
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(*state_out.node_id_ptr)++;
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state_out.graph = state->graph;
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state_out.indent = state->indent + 2;
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_cogl_pipeline_node_foreach_child (COGL_NODE (layer),
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dump_layer_cb,
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&state_out);
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return TRUE;
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}
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static gboolean
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dump_layer_ref_cb (CoglPipelineLayer *layer, void *data)
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{
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PrintDebugState *state = data;
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int pipeline_id = *state->node_id_ptr;
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g_string_append_printf (state->graph,
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"%*spipeline_state%d -> layer%p;\n",
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state->indent, "",
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pipeline_id,
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layer);
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return TRUE;
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}
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static gboolean
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dump_pipeline_cb (CoglNode *node, void *user_data)
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{
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CoglPipeline *pipeline = COGL_PIPELINE (node);
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PrintDebugState *state = user_data;
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int pipeline_id = *state->node_id_ptr;
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PrintDebugState state_out;
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GString *changes_label;
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gboolean changes = FALSE;
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gboolean layers = FALSE;
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if (state->parent_id >= 0)
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g_string_append_printf (state->graph, "%*spipeline%d -> pipeline%d;\n",
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state->indent, "",
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state->parent_id,
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pipeline_id);
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g_string_append_printf (state->graph,
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"%*spipeline%d [label=\"pipeline=0x%p\\n"
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"ref count=%d\\n"
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"breadcrumb=\\\"%s\\\"\" color=\"red\"];\n",
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state->indent, "",
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pipeline_id,
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pipeline,
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COGL_OBJECT (pipeline)->ref_count,
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pipeline->has_static_breadcrumb ?
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pipeline->static_breadcrumb : "NULL");
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changes_label = g_string_new ("");
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g_string_append_printf (changes_label,
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"%*spipeline%d -> pipeline_state%d [weight=100];\n"
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"%*spipeline_state%d [shape=box label=\"",
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state->indent, "",
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pipeline_id,
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pipeline_id,
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state->indent, "",
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pipeline_id);
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if (pipeline->differences & COGL_PIPELINE_STATE_COLOR)
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{
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changes = TRUE;
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g_string_append_printf (changes_label,
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"\\lcolor=0x%02X%02X%02X%02X\\n",
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cogl_color_get_red_byte (&pipeline->color),
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cogl_color_get_green_byte (&pipeline->color),
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cogl_color_get_blue_byte (&pipeline->color),
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cogl_color_get_alpha_byte (&pipeline->color));
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}
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if (pipeline->differences & COGL_PIPELINE_STATE_BLEND)
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{
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const char *blend_enable_name;
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changes = TRUE;
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switch (pipeline->blend_enable)
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{
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case COGL_PIPELINE_BLEND_ENABLE_AUTOMATIC:
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blend_enable_name = "AUTO";
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break;
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case COGL_PIPELINE_BLEND_ENABLE_ENABLED:
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blend_enable_name = "ENABLED";
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break;
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case COGL_PIPELINE_BLEND_ENABLE_DISABLED:
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blend_enable_name = "DISABLED";
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break;
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default:
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blend_enable_name = "UNKNOWN";
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}
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g_string_append_printf (changes_label,
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"\\lblend=%s\\n",
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blend_enable_name);
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}
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if (pipeline->differences & COGL_PIPELINE_STATE_LAYERS)
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{
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changes = TRUE;
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layers = TRUE;
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g_string_append_printf (changes_label, "\\ln_layers=%d\\n",
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pipeline->n_layers);
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}
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if (changes)
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{
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g_string_append_printf (changes_label, "\"];\n");
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g_string_append (state->graph, changes_label->str);
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g_string_free (changes_label, TRUE);
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}
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if (layers)
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{
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g_list_foreach (pipeline->layer_differences,
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(GFunc)dump_layer_ref_cb,
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state);
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}
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state_out.parent_id = pipeline_id;
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state_out.node_id_ptr = state->node_id_ptr;
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(*state_out.node_id_ptr)++;
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state_out.graph = state->graph;
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state_out.indent = state->indent + 2;
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_cogl_pipeline_node_foreach_child (COGL_NODE (pipeline),
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dump_pipeline_cb,
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&state_out);
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return TRUE;
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}
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void
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_cogl_debug_dump_pipelines_dot_file (const char *filename)
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{
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GString *graph;
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PrintDebugState layer_state;
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PrintDebugState pipeline_state;
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int layer_id = 0;
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int pipeline_id = 0;
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_COGL_GET_CONTEXT (ctx, NO_RETVAL);
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if (!ctx->default_pipeline)
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return;
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graph = g_string_new ("");
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g_string_append_printf (graph, "digraph {\n");
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layer_state.graph = graph;
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layer_state.parent_id = -1;
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layer_state.node_id_ptr = &layer_id;
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layer_state.indent = 0;
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dump_layer_cb (ctx->default_layer_0, &layer_state);
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pipeline_state.graph = graph;
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pipeline_state.parent_id = -1;
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pipeline_state.node_id_ptr = &pipeline_id;
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pipeline_state.indent = 0;
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dump_pipeline_cb (ctx->default_pipeline, &pipeline_state);
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g_string_append_printf (graph, "}\n");
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if (filename)
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g_file_set_contents (filename, graph->str, -1, NULL);
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else
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g_print ("%s", graph->str);
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g_string_free (graph, TRUE);
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}
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