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* clutter/clutter-texture.c: made the filter-quality proeprty also

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control the use of mipmapping.
* clutter/clutter-texture.h: added ClutterTextureQuality enum.
* tests/test-texture-quality.c: new test.
* tests/Makefile.am: added test-texture-quality
This commit is contained in:
Øyvind Kolås 2008-06-07 15:08:05 +00:00
parent eb990a853a
commit 4582ab12b8
5 changed files with 233 additions and 56 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2008-06-07 Øyvind Kolås <pippin@gimp.org>
* clutter/clutter-texture.c: made the filter-quality proeprty also
control the use of mipmapping.
* clutter/clutter-texture.h: added ClutterTextureQuality enum.
* tests/test-texture-quality.c: new test.
* tests/Makefile.am: added test-texture-quality
2008-06-06 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-texture.c:

133
clutter/clutter-texture.c
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@ -59,6 +59,7 @@
#include "clutter-scriptable.h"
#include "clutter-debug.h"
#include "clutter-fixed.h"
#include "clutter-enum-types.h"
#include "cogl/cogl.h"
@ -78,7 +79,7 @@ struct _ClutterTexturePrivate
gint height;
guint sync_actor_size : 1;
gint max_tile_waste;
guint filter_quality;
ClutterTextureQuality filter_quality;
guint repeat_x : 1;
guint repeat_y : 1;
CoglHandle texture;
@ -132,6 +133,54 @@ clutter_texture_error_quark (void)
return g_quark_from_static_string ("clutter-texture-error-quark");
}
static COGLenum
clutter_texture_quality_to_cogl_min_filter (ClutterTextureQuality buf_filter)
{
switch (buf_filter)
{
case CLUTTER_TEXTURE_QUALITY_LOW:
return CGL_NEAREST;
case CLUTTER_TEXTURE_QUALITY_MEDIUM:
return CGL_LINEAR;
case CLUTTER_TEXTURE_QUALITY_HIGH:
return CGL_LINEAR_MIPMAP_LINEAR;
}
return 0;
}
static COGLenum
clutter_texture_quality_to_cogl_mag_filter (ClutterTextureQuality buf_filter)
{
switch (buf_filter)
{
case CLUTTER_TEXTURE_QUALITY_LOW:
return CGL_NEAREST;
case CLUTTER_TEXTURE_QUALITY_MEDIUM:
case CLUTTER_TEXTURE_QUALITY_HIGH:
return CGL_LINEAR;
}
return 0;
}
static ClutterTextureQuality
cogl_filters_to_clutter_texture_quality (COGLenum min,
COGLenum mag)
{
switch (min)
{
case CGL_NEAREST:
g_assert (mag == min); /* just for sanity */
return CLUTTER_TEXTURE_QUALITY_LOW;
case CGL_LINEAR:
g_assert (mag == min); /* just for sanity */
return CLUTTER_TEXTURE_QUALITY_MEDIUM;
case CGL_LINEAR_MIPMAP_LINEAR:
g_assert (mag == CGL_LINEAR); /* just for sanity */
return CLUTTER_TEXTURE_QUALITY_HIGH;
}
return 0;
}
static void
texture_free_gl_resources (ClutterTexture *texture)
{
@ -221,14 +270,12 @@ clutter_texture_realize (ClutterActor *actor)
(priv->width,
priv->height,
priv->no_slice ? -1 : priv->max_tile_waste,
FALSE,
priv->filter_quality == CLUTTER_TEXTURE_QUALITY_HIGH,
COGL_PIXEL_FORMAT_RGBA_8888);
cogl_texture_set_filters (priv->texture,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST);
clutter_texture_quality_to_cogl_min_filter (priv->filter_quality),
clutter_texture_quality_to_cogl_mag_filter (priv->filter_quality));
priv->fbo_handle = cogl_offscreen_new_to_texture (priv->texture);
@ -428,7 +475,7 @@ clutter_texture_set_property (GObject *object,
break;
case PROP_FILTER_QUALITY:
clutter_texture_set_filter_quality (texture,
g_value_get_int (value));
g_value_get_enum (value));
break;
case PROP_COGL_TEXTURE:
clutter_texture_set_cogl_texture
@ -481,7 +528,7 @@ clutter_texture_get_property (GObject *object,
g_value_set_boolean (value, priv->repeat_y);
break;
case PROP_FILTER_QUALITY:
g_value_set_int (value, clutter_texture_get_filter_quality (texture));
g_value_set_enum (value, clutter_texture_get_filter_quality (texture));
break;
case PROP_COGL_TEXTURE:
g_value_set_boxed (value, clutter_texture_get_cogl_texture (texture));
@ -558,16 +605,12 @@ clutter_texture_class_init (ClutterTextureClass *klass)
*/
g_object_class_install_property
(gobject_class, PROP_FILTER_QUALITY,
g_param_spec_int ("filter-quality",
"Quality of filter used when scaling a texture",
"Values 0 and 1 current only supported, with 0 "
"being lower quality but fast, 1 being better "
"quality but slower. ( Currently just maps to "
"GL_NEAREST / GL_LINEAR )",
0,
G_MAXINT,
1,
CLUTTER_PARAM_READWRITE));
g_param_spec_enum ("filter-quality",
"Filter Quality",
"Rendering quality used when drawing the texture.",
CLUTTER_TYPE_TEXTURE_QUALITY,
CLUTTER_TEXTURE_QUALITY_MEDIUM,
G_PARAM_CONSTRUCT | CLUTTER_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_MAX_TILE_WASTE,
@ -727,7 +770,7 @@ clutter_texture_init (ClutterTexture *self)
self->priv = priv = CLUTTER_TEXTURE_GET_PRIVATE (self);
priv->max_tile_waste = 64;
priv->filter_quality = 1;
priv->filter_quality = CLUTTER_TEXTURE_QUALITY_MEDIUM;
priv->repeat_x = FALSE;
priv->repeat_y = FALSE;
priv->sync_actor_size = TRUE;
@ -919,7 +962,7 @@ clutter_texture_set_from_data (ClutterTexture *texture,
if ((new_texture = cogl_texture_new_from_data
(width, height,
priv->no_slice ? -1 : priv->max_tile_waste,
FALSE,
priv->filter_quality == CLUTTER_TEXTURE_QUALITY_HIGH,
source_format,
COGL_PIXEL_FORMAT_ANY,
rowstride,
@ -933,10 +976,8 @@ clutter_texture_set_from_data (ClutterTexture *texture,
}
cogl_texture_set_filters (new_texture,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST);
clutter_texture_quality_to_cogl_min_filter (priv->filter_quality),
clutter_texture_quality_to_cogl_mag_filter (priv->filter_quality));
clutter_texture_set_cogl_texture (texture, new_texture);
@ -1102,7 +1143,7 @@ clutter_texture_set_from_file (ClutterTexture *texture,
if ((new_texture = cogl_texture_new_from_file
(filename,
priv->no_slice ? -1 : priv->max_tile_waste,
FALSE,
priv->filter_quality == CLUTTER_TEXTURE_QUALITY_HIGH,
COGL_PIXEL_FORMAT_ANY,
error))
== COGL_INVALID_HANDLE)
@ -1119,10 +1160,8 @@ clutter_texture_set_from_file (ClutterTexture *texture,
}
cogl_texture_set_filters (new_texture,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST);
clutter_texture_quality_to_cogl_min_filter (priv->filter_quality),
clutter_texture_quality_to_cogl_mag_filter (priv->filter_quality));
clutter_texture_set_cogl_texture (texture, new_texture);
@ -1145,22 +1184,34 @@ clutter_texture_set_from_file (ClutterTexture *texture,
*/
void
clutter_texture_set_filter_quality (ClutterTexture *texture,
guint filter_quality)
ClutterTextureQuality filter_quality)
{
ClutterTexturePrivate *priv;
ClutterTextureQuality old_quality;
g_return_if_fail (CLUTTER_IS_TEXTURE (texture));
priv = texture->priv;
if (filter_quality != clutter_texture_get_filter_quality (texture))
old_quality = clutter_texture_get_filter_quality (texture);
if (filter_quality != old_quality)
{
priv->filter_quality = filter_quality;
if (priv->texture != COGL_INVALID_HANDLE)
cogl_texture_set_filters (priv->texture,
filter_quality ? CGL_LINEAR : CGL_NEAREST,
filter_quality ? CGL_LINEAR : CGL_NEAREST);
clutter_texture_quality_to_cogl_min_filter (priv->filter_quality),
clutter_texture_quality_to_cogl_mag_filter (priv->filter_quality));
if ((old_quality == CLUTTER_TEXTURE_QUALITY_HIGH ||
filter_quality == CLUTTER_TEXTURE_QUALITY_HIGH) &&
CLUTTER_ACTOR_IS_REALIZED (texture))
{
clutter_texture_unrealize (CLUTTER_ACTOR (texture));
clutter_texture_realize (CLUTTER_ACTOR (texture));
}
if (CLUTTER_ACTOR_IS_VISIBLE (texture))
clutter_actor_queue_redraw (CLUTTER_ACTOR (texture));
@ -1177,7 +1228,7 @@ clutter_texture_set_filter_quality (ClutterTexture *texture,
*
* Since: 0.8
*/
guint
ClutterTextureQuality
clutter_texture_get_filter_quality (ClutterTexture *texture)
{
ClutterTexturePrivate *priv;
@ -1191,8 +1242,10 @@ clutter_texture_get_filter_quality (ClutterTexture *texture)
else
/* If we have a valid texture handle then use the filter quality
from that instead */
return cogl_texture_get_min_filter (texture->priv->texture)
== CGL_LINEAR ? 1 : 0;
return cogl_filters_to_clutter_texture_quality (
cogl_texture_get_min_filter (texture->priv->texture),
cogl_texture_get_mag_filter (texture->priv->texture));
}
/**
@ -1452,14 +1505,12 @@ on_fbo_source_size_change (GObject *object,
priv->texture = cogl_texture_new_with_size (priv->width,
priv->height,
-1,
FALSE,
priv->filter_quality == CLUTTER_TEXTURE_QUALITY_HIGH,
COGL_PIXEL_FORMAT_RGBA_8888);
cogl_texture_set_filters (priv->texture,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST,
priv->filter_quality
? CGL_LINEAR : CGL_NEAREST);
clutter_texture_quality_to_cogl_min_filter (priv->filter_quality),
clutter_texture_quality_to_cogl_mag_filter (priv->filter_quality));
priv->fbo_handle = cogl_offscreen_new_to_texture (priv->texture);

22
clutter/clutter-texture.h
View File

@ -112,6 +112,22 @@ typedef enum { /*< prefix=CLUTTER_TEXTURE >*/
/* FIXME: add compressed types ? */
} ClutterTextureFlags;
/**
* ClutterTextureQuality:
* @CLUTTER_TEXTURE_QUALITY_LOW: fastest rendering will use nearest neighbour
* interpolation when rendering.
* good setting.
* @CLUTTER_TEXTURE_QUALITY_MEDIUM: higher quality rendering without using
* extra resources.
* @CLUTTER_TEXTURE_QUALITY_HIGH: render the texture with the best quality
* available using extra memory.
*/
typedef enum { /*< prefix=CLUTTER_TEXTURE_QUALITY >*/
CLUTTER_TEXTURE_QUALITY_LOW = 0,
CLUTTER_TEXTURE_QUALITY_MEDIUM,
CLUTTER_TEXTURE_QUALITY_HIGH
} ClutterTextureQuality;
GType clutter_texture_get_type (void) G_GNUC_CONST;
GType clutter_texture_handle_get_type (void) G_GNUC_CONST;
@ -153,8 +169,10 @@ void clutter_texture_get_base_size (ClutterTexture *texture,
gint *width,
gint *height);
void clutter_texture_set_filter_quality (ClutterTexture *texture,
guint filter_quality);
guint clutter_texture_get_filter_quality (ClutterTexture *texture);
ClutterTextureQuality
filter_quality);
ClutterTextureQuality
clutter_texture_get_filter_quality (ClutterTexture *texture);
void clutter_texture_set_max_tile_waste (ClutterTexture *texture,
gint max_tile_waste);
gint clutter_texture_get_max_tile_waste (ClutterTexture *texture);

4
tests/Makefile.am
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@ -12,7 +12,8 @@ noinst_PROGRAMS = test-textures test-events test-offscreen test-scale \
test-cogl-tex-convert test-cogl-tex-foreign \
test-cogl-tex-getset test-cogl-offscreen \
test-cogl-tex-polygon test-stage-read-pixels \
test-random-text test-clip test-paint-wrapper
test-random-text test-clip test-paint-wrapper \
test-texture-quality
if X11_TESTS
noinst_PROGRAMS += test-pixmap
@ -64,5 +65,6 @@ test_cogl_offscreen_SOURCES = test-cogl-offscreen.c
test_stage_read_pixels_SOURCES = test-stage-read-pixels.c
test_random_text_SOURCES = test-random-text.c
test_paint_wrapper_SOURCES = test-paint-wrapper.c
test_texture_quality_SOURCES = test-texture-quality.c
EXTRA_DIST = redhand.png test-script.json

98
tests/test-texture-quality.c Normal file
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@ -0,0 +1,98 @@
#include <stdlib.h>
#include <clutter/clutter.h>
/* each time the timeline animating the label completes, swap the direction */
static void
timeline_completed (ClutterTimeline *timeline,
gpointer user_data)
{
clutter_timeline_set_direction (timeline,
!clutter_timeline_get_direction (timeline));
clutter_timeline_start (timeline);
}
static gboolean
change_filter (gpointer actor)
{
ClutterTextureQuality old_quality;
old_quality = clutter_texture_get_filter_quality (actor);
switch (old_quality)
{
case CLUTTER_TEXTURE_QUALITY_LOW:
clutter_texture_set_filter_quality (actor,
CLUTTER_TEXTURE_QUALITY_MEDIUM);
g_print ("Setting texture rendering quality to medium\n");
break;
case CLUTTER_TEXTURE_QUALITY_MEDIUM:
clutter_texture_set_filter_quality (actor,
CLUTTER_TEXTURE_QUALITY_HIGH);
g_print ("Setting texture rendering quality to high\n");
break;
case CLUTTER_TEXTURE_QUALITY_HIGH:
clutter_texture_set_filter_quality (actor,
CLUTTER_TEXTURE_QUALITY_LOW);
g_print ("Setting texture rendering quality to low\n");
break;
}
return TRUE;
}
gint
main (int argc, char *argv[])
{
ClutterTimeline *timeline;
ClutterBehaviour *depth_behavior;
ClutterActor *stage;
ClutterActor *image;
ClutterColor stage_color = { 0x12, 0x34, 0x56, 0xff };
GError *error;
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
clutter_stage_set_use_fog (CLUTTER_STAGE (stage), TRUE);
clutter_stage_set_fog (CLUTTER_STAGE (stage), 1.0, 10, -50);
g_signal_connect (stage,
"button-press-event", G_CALLBACK (clutter_main_quit),
NULL);
error = NULL;
image = clutter_texture_new_from_file (argv[1]?argv[1]:"redhand.png", &error);
if (error)
g_error ("Unable to load image.", error->message);
if (!argv[1])
g_print ("Hint: the redhand.png isn't a good test image for this, this test can take any clutter loadable image as an argument\n");
/* center the image */
clutter_actor_set_position (image,
(clutter_actor_get_width (stage) - clutter_actor_get_width (image))/2,
(clutter_actor_get_height (stage) - clutter_actor_get_height (image))/2);
clutter_container_add (CLUTTER_CONTAINER (stage), image, NULL);
timeline = clutter_timeline_new (60*5, 60);
g_signal_connect (timeline,
"completed", G_CALLBACK (timeline_completed),
NULL);
depth_behavior = clutter_behaviour_depth_new (
clutter_alpha_new_full (timeline, CLUTTER_ALPHA_RAMP_INC, NULL, NULL),
-2500, 400);
clutter_behaviour_apply (depth_behavior, image);
clutter_actor_show (stage);
clutter_timeline_start (timeline);
g_timeout_add (10000, change_filter, image);
clutter_main ();
g_object_unref (depth_behavior);
g_object_unref (timeline);
return EXIT_SUCCESS;
}