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cursor: Split out code that loads an image into a GBM buffer

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This commit is contained in:
Jasper St. Pierre 2014-03-31 17:50:15 -04:00
parent ba131626c2
commit 59e064f610
1 changed files with 45 additions and 53 deletions
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98
src/core/meta-cursor.c
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@ -190,6 +190,40 @@ load_cursor_on_client (MetaDisplay *display,
return image; return image;
} }
static void
meta_cursor_image_load_gbm_buffer (struct gbm_device *gbm,
MetaCursorImage *image,
uint8_t *pixels,
int width,
int height,
int rowstride,
uint32_t gbm_format)
{
if (width > 64 || height > 64)
{
meta_warning ("Invalid theme cursor size (must be at most 64x64)\n");
return;
}
if (gbm_device_is_format_supported (gbm, gbm_format,
GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE))
{
uint8_t buf[4 * 64 * 64];
int i;
image->bo = gbm_bo_create (gbm, 64, 64,
gbm_format, GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE);
memset (buf, 0, sizeof(buf));
for (i = 0; i < height; i++)
memcpy (buf + i * 4 * 64, pixels + i * rowstride, width * 4);
gbm_bo_write (image->bo, buf, 64 * 64 * 4);
}
else
meta_warning ("HW cursor for format %d not supported\n", gbm_format);
}
static void static void
meta_cursor_image_load_from_xcursor_image (MetaCursorTracker *tracker, meta_cursor_image_load_from_xcursor_image (MetaCursorTracker *tracker,
MetaCursorImage *image, MetaCursorImage *image,
@ -221,35 +255,15 @@ meta_cursor_image_load_from_xcursor_image (MetaCursorTracker *tracker,
width, height, width, height,
cogl_format, cogl_format,
rowstride, rowstride,
(uint8_t*)xc_image->pixels, (uint8_t *) xc_image->pixels,
NULL); NULL);
if (tracker->gbm) if (tracker->gbm)
{ meta_cursor_image_load_gbm_buffer (tracker->gbm,
if (width > 64 || height > 64) image,
{ (uint8_t *) xc_image->pixels,
meta_warning ("Invalid theme cursor size (must be at most 64x64)\n"); width, height, rowstride,
return; gbm_format);
}
if (gbm_device_is_format_supported (tracker->gbm, gbm_format,
GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE))
{
uint32_t buf[64 * 64];
int i;
image->bo = gbm_bo_create (tracker->gbm, 64, 64,
gbm_format, GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE);
memset (buf, 0, sizeof(buf));
for (i = 0; i < height; i++)
memcpy (buf + i * 64, xc_image->pixels + i * width, width * 4);
gbm_bo_write (image->bo, buf, 64 * 64 * 4);
}
else
meta_warning ("HW cursor for format %d not supported\n", gbm_format);
}
} }
MetaCursorReference * MetaCursorReference *
@ -325,34 +339,12 @@ meta_cursor_image_load_from_buffer (MetaCursorTracker *tracker,
gbm_format = GBM_FORMAT_ARGB8888; gbm_format = GBM_FORMAT_ARGB8888;
} }
if (width > 64 || height > 64)
{
meta_warning ("Invalid cursor size (must be at most 64x64), falling back to software (GL) cursors\n");
return;
}
if (tracker->gbm) if (tracker->gbm)
{ meta_cursor_image_load_gbm_buffer (tracker->gbm,
if (gbm_device_is_format_supported (tracker->gbm, gbm_format, image,
GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE)) (uint8_t *) wl_shm_buffer_get_data (shm_buffer),
{ width, height, rowstride,
uint8_t *data; gbm_format);
uint8_t buf[4 * 64 * 64];
int i;
image->bo = gbm_bo_create (tracker->gbm, 64, 64,
gbm_format, GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE);
data = wl_shm_buffer_get_data (shm_buffer);
memset (buf, 0, sizeof(buf));
for (i = 0; i < height; i++)
memcpy (buf + i * 4 * 64, data + i * rowstride, 4 * width);
gbm_bo_write (image->bo, buf, 64 * 64 * 4);
}
else
meta_warning ("HW cursor for format %d not supported\n", gbm_format);
}
} }
else else
{ {