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mutter/cogl/cogl/cogl-attribute.c
Bilal Elmoussaoui 0f405e9270 Rename remaining usages of material to pipeline 
material is almost no longer used in the code base and the
few remaining references makes it confusing when looking at parts
of the codebase. So rename the rest as well.

Note that this renames a DeformEffect property and the only extension
making use of it doesn't use the property so i think it is okay to do
so without deprecating the old property for a few releases

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3910>
2024-08-01 11:06:33 +00:00

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/*
* Cogl
*
* A Low Level GPU Graphics and Utilities API
*
* Copyright (C) 2010 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*
*
* Authors:
* Robert Bragg <robert@linux.intel.com>
*/
#include "config.h"
#include "cogl/cogl-util.h"
#include "cogl/cogl-context-private.h"
#include "cogl/cogl-journal-private.h"
#include "cogl/cogl-attribute.h"
#include "cogl/cogl-attribute-private.h"
#include "cogl/cogl-pipeline.h"
#include "cogl/cogl-pipeline-private.h"
#include "cogl/cogl-texture-private.h"
#include "cogl/cogl-framebuffer-private.h"
#include "cogl/cogl-indices-private.h"
#include "cogl/cogl-private.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
G_DEFINE_TYPE (CoglAttribute, cogl_attribute, G_TYPE_OBJECT);
static void
cogl_attribute_dispose (GObject *object)
{
CoglAttribute *attribute = COGL_ATTRIBUTE (object);
if (attribute->is_buffered)
g_object_unref (attribute->d.buffered.attribute_buffer);
else
_cogl_boxed_value_destroy (&attribute->d.constant.boxed);
G_OBJECT_CLASS (cogl_attribute_parent_class)->dispose (object);
}
static void
cogl_attribute_init (CoglAttribute *attribute)
{
}
static void
cogl_attribute_class_init (CoglAttributeClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->dispose = cogl_attribute_dispose;
}
static gboolean
validate_cogl_attribute_name (const char *name,
const char **real_attribute_name,
CoglAttributeNameID *name_id,
gboolean *normalized,
int *layer_number)
{
name = name + 5; /* skip "cogl_" */
*normalized = FALSE;
*layer_number = 0;
if (strcmp (name, "position_in") == 0)
*name_id = COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY;
else if (strcmp (name, "color_in") == 0)
{
*name_id = COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY;
*normalized = TRUE;
}
else if (strcmp (name, "tex_coord_in") == 0)
{
*real_attribute_name = "cogl_tex_coord0_in";
*name_id = COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY;
}
else if (strncmp (name, "tex_coord", strlen ("tex_coord")) == 0)
{
char *endptr;
*layer_number = strtoul (name + 9, &endptr, 10);
if (strcmp (endptr, "_in") != 0)
{
g_warning ("Texture coordinate attributes should either be named "
"\"cogl_tex_coord_in\" or named with a texture unit index "
"like \"cogl_tex_coord2_in\"\n");
return FALSE;
}
*name_id = COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY;
}
else if (strcmp (name, "normal_in") == 0)
{
*name_id = COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY;
*normalized = TRUE;
}
else if (strcmp (name, "point_size_in") == 0)
*name_id = COGL_ATTRIBUTE_NAME_ID_POINT_SIZE_ARRAY;
else
{
g_warning ("Unknown cogl_* attribute name cogl_%s\n", name);
return FALSE;
}
return TRUE;
}
CoglAttributeNameState *
_cogl_attribute_register_attribute_name (CoglContext *context,
const char *name)
{
CoglAttributeNameState *name_state = g_new (CoglAttributeNameState, 1);
int name_index = context->n_attribute_names++;
char *name_copy = g_strdup (name);
name_state->name = NULL;
name_state->name_index = name_index;
if (strncmp (name, "cogl_", 5) == 0)
{
if (!validate_cogl_attribute_name (name,
&name_state->name,
&name_state->name_id,
&name_state->normalized_default,
&name_state->layer_number))
goto error;
}
else
{
name_state->name_id = COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY;
name_state->normalized_default = FALSE;
name_state->layer_number = 0;
}
if (name_state->name == NULL)
name_state->name = name_copy;
g_hash_table_insert (context->attribute_name_states_hash,
name_copy, name_state);
if (G_UNLIKELY (context->attribute_name_index_map == NULL))
context->attribute_name_index_map =
g_array_new (FALSE, FALSE, sizeof (void *));
g_array_set_size (context->attribute_name_index_map, name_index + 1);
g_array_index (context->attribute_name_index_map,
CoglAttributeNameState *, name_index) = name_state;
return name_state;
error:
g_free (name_state);
return NULL;
}
static gboolean
validate_n_components (const CoglAttributeNameState *name_state,
int n_components)
{
switch (name_state->name_id)
{
case COGL_ATTRIBUTE_NAME_ID_POINT_SIZE_ARRAY:
if (G_UNLIKELY (n_components != 1))
{
g_critical ("The point size attribute can only have one "
"component");
return FALSE;
}
break;
case COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY:
case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY:
case COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY:
case COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY:
case COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY:
return TRUE;
}
return TRUE;
}
CoglAttribute *
cogl_attribute_new (CoglAttributeBuffer *attribute_buffer,
const char *name,
size_t stride,
size_t offset,
int n_components,
CoglAttributeType type)
{
CoglAttribute *attribute = g_object_new (COGL_TYPE_ATTRIBUTE, NULL);
CoglBuffer *buffer = COGL_BUFFER (attribute_buffer);
CoglContext *ctx = buffer->context;
attribute->is_buffered = TRUE;
attribute->name_state =
g_hash_table_lookup (ctx->attribute_name_states_hash, name);
if (!attribute->name_state)
{
CoglAttributeNameState *name_state =
_cogl_attribute_register_attribute_name (ctx, name);
if (!name_state)
goto error;
attribute->name_state = name_state;
}
attribute->d.buffered.attribute_buffer = g_object_ref (attribute_buffer);
attribute->d.buffered.stride = stride;
attribute->d.buffered.offset = offset;
attribute->d.buffered.n_components = n_components;
attribute->d.buffered.type = type;
if (attribute->name_state->name_id != COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY)
{
if (!validate_n_components (attribute->name_state, n_components))
return NULL;
attribute->normalized =
attribute->name_state->normalized_default;
}
else
attribute->normalized = FALSE;
return attribute;
error:
g_object_unref (attribute);
return NULL;
}
void
cogl_attribute_set_normalized (CoglAttribute *attribute,
gboolean normalized)
{
g_return_if_fail (COGL_IS_ATTRIBUTE (attribute));
attribute->normalized = normalized;
}
CoglAttributeBuffer *
cogl_attribute_get_buffer (CoglAttribute *attribute)
{
g_return_val_if_fail (COGL_IS_ATTRIBUTE (attribute), NULL);
g_return_val_if_fail (attribute->is_buffered, NULL);
return attribute->d.buffered.attribute_buffer;
}
static gboolean
validate_layer_cb (CoglPipeline *pipeline,
int layer_index,
void *user_data)
{
CoglTexture *texture =
cogl_pipeline_get_layer_texture (pipeline, layer_index);
CoglFlushLayerState *state = user_data;
gboolean status = TRUE;
/* invalid textures will be handled correctly in
* _cogl_pipeline_flush_layers_gl_state */
if (texture == NULL)
goto validated;
_cogl_texture_flush_journal_rendering (texture);
/* Give the texture a chance to know that we're rendering
non-quad shaped primitives. If the texture is in an atlas it
will be migrated */
COGL_TEXTURE_GET_CLASS (texture)->ensure_non_quad_rendering (texture);
/* We need to ensure the mipmaps are ready before deciding
* anything else about the texture because the texture storate
* could completely change if it needs to be migrated out of the
* atlas and will affect how we validate the layer.
*/
_cogl_pipeline_pre_paint_for_layer (pipeline, layer_index);
if (!_cogl_texture_can_hardware_repeat (texture))
{
g_warning ("Disabling layer %d of the current source pipeline, "
"because texturing with the vertex buffer API is not "
"currently supported using sliced textures, or textures "
"with waste\n", layer_index);
/* XXX: maybe we can add a mechanism for users to forcibly use
* textures with waste where it would be their responsibility to use
* texture coords in the range [0,1] such that sampling outside isn't
* required. We can then use a texture matrix (or a modification of
* the users own matrix) to map 1 to the edge of the texture data.
*
* Potentially, given the same guarantee as above we could also
* support a single sliced layer too. We would have to redraw the
* vertices once for each layer, each time with a fiddled texture
* matrix.
*/
state->fallback_layers |= (1 << state->unit);
state->options.flags |= COGL_PIPELINE_FLUSH_FALLBACK_MASK;
}
validated:
state->unit++;
return status;
}
void
_cogl_flush_attributes_state (CoglFramebuffer *framebuffer,
CoglPipeline *pipeline,
CoglDrawFlags flags,
CoglAttribute **attributes,
int n_attributes)
{
CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
CoglFlushLayerState layers_state;
CoglPipeline *copy = NULL;
if (!(flags & COGL_DRAW_SKIP_JOURNAL_FLUSH))
_cogl_framebuffer_flush_journal (framebuffer);
layers_state.unit = 0;
layers_state.options.flags = 0;
layers_state.fallback_layers = 0;
if (!(flags & COGL_DRAW_SKIP_PIPELINE_VALIDATION))
cogl_pipeline_foreach_layer (pipeline,
validate_layer_cb,
&layers_state);
/* NB: cogl_context_flush_framebuffer_state may disrupt various state (such
* as the pipeline state) when flushing the clip stack, so should
* always be done first when preparing to draw. We need to do this
* before setting up the array pointers because setting up the clip
* stack can cause some drawing which would change the array
* pointers. */
if (!(flags & COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH))
{
cogl_context_flush_framebuffer_state (ctx,
framebuffer,
framebuffer,
COGL_FRAMEBUFFER_STATE_ALL);
}
/* In cogl_read_pixels we have a fast-path when reading a single
* pixel and the scene is just comprised of simple rectangles still
* in the journal. For this optimization to work we need to track
* when the framebuffer really does get drawn to. */
_cogl_framebuffer_mark_clear_clip_dirty (framebuffer);
ctx->driver_vtable->flush_attributes_state (framebuffer,
pipeline,
&layers_state,
flags,
attributes,
n_attributes);
if (copy)
g_object_unref (copy);
}
int
_cogl_attribute_get_n_components (CoglAttribute *attribute)
{
if (attribute->is_buffered)
return attribute->d.buffered.n_components;
else
return attribute->d.constant.boxed.size;
}
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