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common: Add lookaside storage for pixman image format

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Ideally we should just read this from the pixman image, but
there is no API to do so in stable pixman, so we store it.
This commit is contained in:
Alexander Larsson 2010-04-21 17:45:07 +02:00 committed by Marc-André Lureau
parent eb14443bf2
commit fbcc890794
2 changed files with 38 additions and 1 deletions
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33
common/canvas_utils.c
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@ -82,6 +82,29 @@ pixman_image_add_data(pixman_image_t *image)
return data;
}
void
spice_pixman_image_set_format(pixman_image_t *image,
pixman_format_code_t format)
{
PixmanData *data;
data = pixman_image_add_data(image);
data->format = format;
}
pixman_format_code_t
spice_pixman_image_get_format(pixman_image_t *image)
{
PixmanData *data;
data = (PixmanData *)pixman_image_get_destroy_data(image);
if (data != NULL &&
data->format != 0)
return data->format;
CANVAS_ERROR("Unknown pixman image type");
}
static inline pixman_image_t *__surface_create_stride(pixman_format_code_t format, int width, int height,
int stride)
{
@ -106,6 +129,7 @@ static inline pixman_image_t *__surface_create_stride(pixman_format_code_t forma
pixman_data = pixman_image_add_data(surface);
pixman_data->data = data;
pixman_data->format = format;
return surface;
}
@ -190,6 +214,7 @@ pixman_image_t * surface_create(pixman_format_code_t format, int width, int heig
CANVAS_ERROR("create surface failed, out of memory");
}
pixman_data = pixman_image_add_data(surface);
pixman_data->format = format;
pixman_data->bitmap = bitmap;
pixman_data->mutex = mutex;
gdi_handlers++;
@ -197,7 +222,13 @@ pixman_image_t * surface_create(pixman_format_code_t format, int width, int heig
} else {
#endif
if (top_down) {
return pixman_image_create_bits(format, width, height, NULL, 0);
pixman_image_t *surface;
PixmanData *data;
surface = pixman_image_create_bits(format, width, height, NULL, 0);
data = pixman_image_add_data(surface);
data->format = format;
return surface;
} else {
// NOTE: we assume here that the lz decoders always decode to RGB32.
int stride = 0;

6
common/canvas_utils.h
View File

@ -30,8 +30,14 @@ typedef struct PixmanData {
HANDLE mutex;
#endif
uint8_t *data;
pixman_format_code_t format;
} PixmanData;
void spice_pixman_image_set_format(pixman_image_t *image,
pixman_format_code_t format);
pixman_format_code_t spice_pixman_image_get_format(pixman_image_t *image);
#ifdef WIN32
pixman_image_t *surface_create(HDC dc, pixman_format_code_t format,
int width, int height, int top_down);