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render: remove wlr_renderer_check_import_dmabuf

Browse source 
It's possible to implement it outside the renderer, by creating a
texture and destroying it right away. This reduces the API surface
of the renderer.
This commit is contained in:
emersion 2018-05-30 14:18:07 +01:00
parent 41e53d1499
commit 135721118a
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GPG key ID: 0FDE7BE0E88F5E48
8 changed files with 32 additions and 63 deletions
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7
include/wlr/render/egl.h
View file

@ -67,13 +67,6 @@ EGLImageKHR wlr_egl_create_image_from_wl_drm(struct wlr_egl *egl,
EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_attributes *attributes);
/**
* Try to import the given dmabuf. On success return true false otherwise.
* If this succeeds the dmabuf can be used for rendering on a texture
*/
bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_attributes *attributes);
/**
* Get the available dmabuf formats
*/

2
include/wlr/render/interface.h
View file

@ -30,8 +30,6 @@ struct wlr_renderer_impl {
struct wl_resource *resource);
void (*wl_drm_buffer_get_size)(struct wlr_renderer *renderer,
struct wl_resource *buffer, int *width, int *height);
bool (*check_import_dmabuf)(struct wlr_renderer *renderer,
struct wlr_dmabuf_attributes *attribs);
int (*get_dmabuf_formats)(struct wlr_renderer *renderer, int **formats);
int (*get_dmabuf_modifiers)(struct wlr_renderer *renderer, int format,
uint64_t **modifiers);

6
include/wlr/render/wlr_renderer.h
View file

@ -84,12 +84,6 @@ int wlr_renderer_get_dmabuf_formats(struct wlr_renderer *renderer,
*/
int wlr_renderer_get_dmabuf_modifiers(struct wlr_renderer *renderer, int format,
uint64_t **modifiers);
/**
* Try to import the given dmabuf. On success return true false otherwise.
* If this succeeds the dmabuf can be used for rendering on a texture
*/
bool wlr_renderer_check_import_dmabuf(struct wlr_renderer *renderer,
struct wlr_dmabuf_attributes *attributes);
/**
* Reads out of pixels of the currently bound surface into data. `stride` is in
* bytes.

29
render/egl.c
View file

@ -413,35 +413,6 @@ EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
}
#ifndef DRM_FORMAT_BIG_ENDIAN
#define DRM_FORMAT_BIG_ENDIAN 0x80000000
#endif
bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_attributes *attribs) {
switch (attribs->format & ~DRM_FORMAT_BIG_ENDIAN) {
/* TODO: YUV based formats not yet supported, require multiple
* wlr_create_image_from_dmabuf */
case WL_SHM_FORMAT_YUYV:
case WL_SHM_FORMAT_YVYU:
case WL_SHM_FORMAT_UYVY:
case WL_SHM_FORMAT_VYUY:
case WL_SHM_FORMAT_AYUV:
return false;
default:
break;
}
EGLImage egl_image = wlr_egl_create_image_from_dmabuf(egl, attribs);
if (egl_image) {
/* We can import the image, good. No need to keep it
since wlr_texture_upload_dmabuf will import it again */
wlr_egl_destroy_image(egl, egl_image);
return true;
}
/* TODO: import yuv dmabufs */
return false;
}
int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl,
int **formats) {
if (!egl->egl_exts.dmabuf_import ||

7
render/gles2/renderer.c
View file

@ -242,12 +242,6 @@ static int gles2_get_dmabuf_modifiers(struct wlr_renderer *wlr_renderer,
return wlr_egl_get_dmabuf_modifiers(renderer->egl, format, modifiers);
}
static bool gles2_check_import_dmabuf(struct wlr_renderer *wlr_renderer,
struct wlr_dmabuf_attributes *attribs) {
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
return wlr_egl_check_import_dmabuf(renderer->egl, attribs);
}
static bool gles2_read_pixels(struct wlr_renderer *wlr_renderer,
enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,
@ -348,7 +342,6 @@ static const struct wlr_renderer_impl renderer_impl = {
.wl_drm_buffer_get_size = gles2_wl_drm_buffer_get_size,
.get_dmabuf_formats = gles2_get_dmabuf_formats,
.get_dmabuf_modifiers = gles2_get_dmabuf_modifiers,
.check_import_dmabuf = gles2_check_import_dmabuf,
.read_pixels = gles2_read_pixels,
.format_supported = gles2_format_supported,
.texture_from_pixels = gles2_texture_from_pixels,

16
render/gles2/texture.c
View file

@ -198,6 +198,10 @@ struct wlr_texture *wlr_gles2_texture_from_wl_drm(struct wlr_egl *egl,
return &texture->wlr_texture;
}
#ifndef DRM_FORMAT_BIG_ENDIAN
#define DRM_FORMAT_BIG_ENDIAN 0x80000000
#endif
struct wlr_texture *wlr_gles2_texture_from_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_attributes *attribs) {
assert(wlr_egl_is_current(egl));
@ -212,6 +216,18 @@ struct wlr_texture *wlr_gles2_texture_from_dmabuf(struct wlr_egl *egl,
return NULL;
}
switch (attribs->format & ~DRM_FORMAT_BIG_ENDIAN) {
case WL_SHM_FORMAT_YUYV:
case WL_SHM_FORMAT_YVYU:
case WL_SHM_FORMAT_UYVY:
case WL_SHM_FORMAT_VYUY:
case WL_SHM_FORMAT_AYUV:
// TODO: YUV based formats not yet supported, require multiple images
return false;
default:
break;
}
struct wlr_gles2_texture *texture =
calloc(1, sizeof(struct wlr_gles2_texture));
if (texture == NULL) {

12
render/wlr_renderer.c
View file

@ -135,14 +135,6 @@ int wlr_renderer_get_dmabuf_modifiers(struct wlr_renderer *r, int format,
return r->impl->get_dmabuf_modifiers(r, format, modifiers);
}
bool wlr_renderer_check_import_dmabuf(struct wlr_renderer *r,
struct wlr_dmabuf_attributes *attribs) {
if (!r->impl->check_import_dmabuf) {
return false;
}
return r->impl->check_import_dmabuf(r, attribs);
}
bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
uint32_t stride, uint32_t width, uint32_t height,
uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
@ -187,8 +179,8 @@ void wlr_renderer_init_wl_display(struct wlr_renderer *r,
}
struct wlr_renderer *wlr_renderer_autocreate(struct wlr_egl *egl,
EGLenum platform, void *remote_display, EGLint *config_attribs, EGLint visual_id) {
EGLenum platform, void *remote_display, EGLint *config_attribs,
EGLint visual_id) {
if (!wlr_egl_init(egl, platform, remote_display, config_attribs, visual_id)) {
wlr_log(L_ERROR, "Could not initialize EGL");
return NULL;

16
types/wlr_linux_dmabuf.c
View file

@ -121,6 +121,19 @@ static void buffer_handle_resource_destroy(struct wl_resource *buffer_resource)
linux_dmabuf_buffer_destroy(buffer);
}
static bool check_import_dmabuf(struct wlr_dmabuf_buffer *buffer) {
struct wlr_texture *texture =
wlr_texture_from_dmabuf(buffer->renderer, &buffer->attributes);
if (texture == NULL) {
return false;
}
// We can import the image, good. No need to keep it since wlr_surface will
// import it again on commit.
wlr_texture_destroy(texture);
return true;
}
static void params_create_common(struct wl_client *client,
struct wl_resource *params_resource, uint32_t buffer_id, int32_t width,
int32_t height, uint32_t format, uint32_t flags) {
@ -229,8 +242,7 @@ static void params_create_common(struct wl_client *client,
}
/* Check if dmabuf is usable */
if (!wlr_renderer_check_import_dmabuf(buffer->renderer,
&buffer->attributes)) {
if (!check_import_dmabuf(buffer)) {
goto err_failed;
}