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kopper: implement texture-from-pixmap for software (non-dmabuf)

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Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16190>
This commit is contained in:
Mike Blumenkrantz 2022-04-27 08:48:16 -04:00
parent e0bf9a7ea8
commit f2d04b4fe9
1 changed files with 70 additions and 1 deletions
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71
src/gallium/frontends/dri/kopper.c
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@ -493,6 +493,7 @@ kopper_allocate_textures(struct dri_context *ctx,
__DRIdrawable *dri_drawable = drawable->dPriv;
const __DRIimageLoaderExtension *image = drawable->sPriv->image.loader;
struct kopper_drawable *cdraw = (struct kopper_drawable *)drawable;
struct kopper_screen *kscreen = (struct kopper_screen*)drawable->sPriv->driverPrivate;
bool is_window = cdraw->is_window;
bool is_pixmap = !is_window && cdraw->info.bos.sType == VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
@ -623,7 +624,7 @@ XXX do this once swapinterval is hooked up
screen->base.screen->resource_create_drawable(screen->base.screen, &templ, data);
}
#ifdef VK_USE_PLATFORM_XCB_KHR
else if (is_pixmap && statts[i] == ST_ATTACHMENT_FRONT_LEFT) {
else if (is_pixmap && statts[i] == ST_ATTACHMENT_FRONT_LEFT && !kscreen->is_sw) {
drawable->textures[statts[i]] = kopper_get_pixmap_buffer(cdraw, format);
handle_in_fence(ctx->cPriv, cdraw->image);
}
@ -751,12 +752,80 @@ kopper_flush_frontbuffer(struct dri_context *ctx,
return true;
}
static inline void
get_image(__DRIdrawable *dPriv, int x, int y, int width, int height, void *data)
{
__DRIscreen *sPriv = dPriv->driScreenPriv;
const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
loader->getImage(dPriv,
x, y, width, height,
data, dPriv->loaderPrivate);
}
static inline bool
get_image_shm(__DRIdrawable *dPriv, int x, int y, int width, int height,
struct pipe_resource *res)
{
__DRIscreen *sPriv = dPriv->driScreenPriv;
const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
struct winsys_handle whandle;
whandle.type = WINSYS_HANDLE_TYPE_SHMID;
if (loader->base.version < 4 || !loader->getImageShm)
return FALSE;
if (!res->screen->resource_get_handle(res->screen, NULL, res, &whandle, PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE))
return FALSE;
if (loader->base.version > 5 && loader->getImageShm2)
return loader->getImageShm2(dPriv, x, y, width, height, whandle.handle, dPriv->loaderPrivate);
loader->getImageShm(dPriv, x, y, width, height, whandle.handle, dPriv->loaderPrivate);
return TRUE;
}
static void
kopper_update_tex_buffer(struct dri_drawable *drawable,
struct dri_context *ctx,
struct pipe_resource *res)
{
__DRIdrawable *dPriv = drawable->dPriv;
__DRIscreen *sPriv = dPriv->driScreenPriv;
struct kopper_screen *kscreen = (struct kopper_screen*)sPriv->driverPrivate;
struct kopper_drawable *cdraw = (struct kopper_drawable *)drawable;
struct st_context *st_ctx = (struct st_context *)ctx->st;
struct pipe_context *pipe = st_ctx->pipe;
struct pipe_transfer *transfer;
char *map;
int x, y, w, h;
int ximage_stride, line;
if (kscreen->has_dmabuf || cdraw->is_window || cdraw->info.bos.sType != VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR)
return;
int cpp = util_format_get_blocksize(res->format);
get_drawable_info(dPriv, &x, &y, &w, &h);
map = pipe_texture_map(pipe, res,
0, 0, // level, layer,
PIPE_MAP_WRITE,
x, y, w, h, &transfer);
/* Copy the Drawable content to the mapped texture buffer */
if (!get_image_shm(dPriv, x, y, w, h, res))
get_image(dPriv, x, y, w, h, map);
/* The pipe transfer has a pitch rounded up to the nearest 64 pixels.
get_image() has a pitch rounded up to 4 bytes. */
ximage_stride = ((w * cpp) + 3) & -4;
for (line = h-1; line; --line) {
memmove(&map[line * transfer->stride],
&map[line * ximage_stride],
ximage_stride);
}
pipe_texture_unmap(pipe, transfer);
}
static void