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st/dri: support EGL_MESA_image_drm: createImage

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Signed-off-by: Jakob Bornecrantz <wallbraker@gmail.com>
This commit is contained in:
ben 2010-08-26 17:31:42 +02:00 • committed by Jakob Bornecrantz
parent 6eda3f311b
commit a572e3198d
1 changed files with 58 additions and 0 deletions
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58
src/gallium/state_trackers/dri/drm/dri2.c
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@ -380,6 +380,63 @@ dri2_create_image_from_renderbuffer(__DRIcontext *context,
return NULL;
}
static __DRIimage *
dri2_create_image(__DRIscreen *_screen,
int width, int height, int format,
unsigned int use, void *loaderPrivate)
{
struct dri_screen *screen = dri_screen(_screen);
__DRIimage *img;
struct pipe_resource templ;
unsigned tex_usage;
enum pipe_format pf;
tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
switch (format) {
case __DRI_IMAGE_FORMAT_RGB565:
pf = PIPE_FORMAT_B5G6R5_UNORM;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
pf = PIPE_FORMAT_B8G8R8X8_UNORM;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
pf = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
default:
pf = PIPE_FORMAT_NONE;
break;
}
if (pf == PIPE_FORMAT_NONE)
return NULL;
img = CALLOC_STRUCT(__DRIimageRec);
if (!img)
return NULL;
memset(&templ, 0, sizeof(templ));
templ.bind = tex_usage;
templ.format = pf;
templ.target = PIPE_TEXTURE_2D;
templ.last_level = 0;
templ.width0 = width;
templ.height0 = height;
templ.depth0 = 1;
img->texture = screen->base.screen->resource_create(screen->base.screen, &templ);
if (!img->texture) {
FREE(img);
return NULL;
}
img->face = 0;
img->level = 0;
img->zslice = 0;
img->loader_private = loaderPrivate;
return img;
}
static void
dri2_destroy_image(__DRIimage *img)
{
@ -392,6 +449,7 @@ static struct __DRIimageExtensionRec dri2ImageExtension = {
dri2_create_image_from_name,
dri2_create_image_from_renderbuffer,
dri2_destroy_image,
dri2_create_image,
};
/*