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material: support dumping layer state graph to dot file

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Recently I added a _cogl_debug_dump_materials_dot_file function for
debugging the sparse material state. This extends the state dumped to
include the graph of layer state also.
This commit is contained in:
Robert Bragg 2010-07-07 20:43:54 +01:00
parent 093251776f
commit dcc8c66fdd
1 changed files with 111 additions and 24 deletions
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135
cogl/cogl-material.c
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@ -1455,6 +1455,21 @@ _cogl_get_n_args_for_combine_func (GLint func)
return 0;
}
typedef gboolean (*CoglMaterialLayerChildCallback) (CoglMaterialLayer *child,
void *user_data);
void
_cogl_material_layer_foreach_child (CoglMaterialLayer *layer,
CoglMaterialLayerChildCallback callback,
void *user_data)
{
if (layer->has_children)
{
callback (layer->first_child, user_data);
g_list_foreach (layer->children, (GFunc)callback, user_data);
}
}
static void
_cogl_material_layer_initialize_state (CoglMaterialLayer *dest,
CoglMaterialLayer *src,
@ -5970,19 +5985,83 @@ _cogl_material_set_static_breadcrumb (CoglMaterial *material,
typedef struct
{
int parent_id;
int *material_id_ptr;
int *node_id_ptr;
GString *graph;
int indent;
} PrintDebugState;
static gboolean
dump_layer_cb (CoglMaterialLayer *layer, void *data)
dump_layer_cb (CoglMaterialLayer *layer, void *user_data)
{
PrintDebugState *state = data;
int material_id = *state->material_id_ptr;
PrintDebugState *state = user_data;
int layer_id = *state->node_id_ptr;
PrintDebugState state_out;
GString *changes_label;
gboolean changes = FALSE;
if (state->parent_id >= 0)
g_string_append_printf (state->graph, "%*slayer%d -> layer%d;\n",
state->indent, "",
state->parent_id,
layer_id);
g_string_append_printf (state->graph,
"%*sstate%d -> layer_ref%d [weight=200];\n",
"%*slayer%d [label=\"layer=0x%p\\n"
"ref count=%d\" "
"color=\"blue\"];\n",
state->indent, "",
layer_id,
layer,
COGL_OBJECT (layer)->ref_count);
changes_label = g_string_new ("");
g_string_append_printf (changes_label,
"%*slayer%d -> layer_state%d [weight=100];\n"
"%*slayer_state%d [shape=box label=\"",
state->indent, "",
layer_id,
layer_id,
state->indent, "",
layer_id);
if (layer->differences & COGL_MATERIAL_LAYER_STATE_TEXTURE)
{
changes = TRUE;
g_string_append_printf (changes_label,
"\\ltexture=%p\\n",
layer->texture);
}
if (changes)
{
g_string_append_printf (changes_label, "\"];\n");
g_string_append (state->graph, changes_label->str);
g_string_free (changes_label, TRUE);
}
state_out.parent_id = layer_id;
state_out.node_id_ptr = state->node_id_ptr;
(*state_out.node_id_ptr)++;
state_out.graph = state->graph;
state_out.indent = state->indent + 2;
_cogl_material_layer_foreach_child (layer,
dump_layer_cb,
&state_out);
return TRUE;
}
static gboolean
dump_layer_ref_cb (CoglMaterialLayer *layer, void *data)
{
PrintDebugState *state = data;
int material_id = *state->node_id_ptr;
g_string_append_printf (state->graph,
"%*smaterial_state%d -> layer_ref%d [weight=200];\n",
state->indent, "",
material_id,
material_id);
@ -6000,7 +6079,7 @@ static gboolean
dump_material_cb (CoglMaterial *material, void *user_data)
{
PrintDebugState *state = user_data;
int material_id = *state->material_id_ptr;
int material_id = *state->node_id_ptr;
PrintDebugState state_out;
GString *changes_label;
gboolean changes = FALSE;
@ -6013,7 +6092,7 @@ dump_material_cb (CoglMaterial *material, void *user_data)
material_id);
g_string_append_printf (state->graph,
"%*smaterial%d [label=\"addr=0x%p\\n"
"%*smaterial%d [label=\"material=0x%p\\n"
"ref count=%d\\n"
"breadcrumb=\\\"%s\\\"\" color=\"red\"];\n",
state->indent, "",
@ -6025,8 +6104,8 @@ dump_material_cb (CoglMaterial *material, void *user_data)
changes_label = g_string_new ("");
g_string_append_printf (changes_label,
"%*smaterial%d -> state%d [weight=100];\n"
"%*sstate%d [shape=box label=\"",
"%*smaterial%d -> material_state%d [weight=100];\n"
"%*smaterial_state%d [shape=box label=\"",
state->indent, "",
material_id,
material_id,
@ -6084,12 +6163,12 @@ dump_material_cb (CoglMaterial *material, void *user_data)
}
if (layers)
_cogl_material_foreach_layer (material, dump_layer_cb, state);
_cogl_material_foreach_layer (material, dump_layer_ref_cb, state);
state_out.parent_id = material_id;
state_out.material_id_ptr = state->material_id_ptr;
(*state_out.material_id_ptr)++;
state_out.node_id_ptr = state->node_id_ptr;
(*state_out.node_id_ptr)++;
state_out.graph = state->graph;
state_out.indent = state->indent + 2;
@ -6104,7 +6183,10 @@ dump_material_cb (CoglMaterial *material, void *user_data)
void
_cogl_debug_dump_materials_dot_file (const char *filename)
{
PrintDebugState state;
GString *graph;
PrintDebugState layer_state;
PrintDebugState material_state;
int layer_id = 0;
int material_id = 0;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -6112,23 +6194,28 @@ _cogl_debug_dump_materials_dot_file (const char *filename)
if (!ctx->default_material)
return;
state.graph = g_string_new ("");
g_string_append_printf (state.graph, "digraph {\n");
graph = g_string_new ("");
g_string_append_printf (graph, "digraph {\n");
state.parent_id = -1;
state.material_id_ptr = &material_id;
layer_state.graph = graph;
layer_state.parent_id = -1;
layer_state.node_id_ptr = &layer_id;
layer_state.indent = 0;
dump_layer_cb (ctx->default_layer_0, &layer_state);
state.indent = 0;
material_state.graph = graph;
material_state.parent_id = -1;
material_state.node_id_ptr = &material_id;
material_state.indent = 0;
dump_material_cb (ctx->default_material, &material_state);
dump_material_cb (ctx->default_material, &state);
g_string_append_printf (state.graph, "}\n");
g_string_append_printf (graph, "}\n");
if (filename)
g_file_set_contents (filename, state.graph->str, -1, NULL);
g_file_set_contents (filename, graph->str, -1, NULL);
else
g_print ("%s", state.graph->str);
g_print ("%s", graph->str);
g_string_free (state.graph, TRUE);
g_string_free (graph, TRUE);
}