Can you wrap color_buffers around:
#if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
|| defined(HAVE_ANDROID_PLATFORM)
flags? This is because platform_surfaceless has no native surfaces and
it's good to be explicit in that regard.
On Fri, Oct 6, 2017 at 2:38 PM, Gwan-gyeong Mun <elong...@gmail.com> wrote:
> This is added for preventing adding of new color buffers structure and
> back*
> when new platform backend is added.
> This refactoring separates out the common and platform specific bits.
> This makes odd casting in the platform_foo.c but it prevents adding of new
> ifdef magic.
> Because of color_buffers array size is different on android and wayland
> /drm,
> it adds COLOR_BUFFERS_SIZE macro.
> - android's color buffers array size is 3.
> drm & wayland's color buffers array size is 4.
>
> Fixes from Rob's review:
> - refactor to separate out the common and platform specific bits.
>
> Fixes from Emil's review:
> - use suggested color buffers structure shape.
> it makes a buffer pointer of each platform to void pointer type.
>
> Signed-off-by: Mun Gwan-gyeong <elong...@gmail.com>
> ---
> src/egl/drivers/dri2/egl_dri2.h | 30 +++++++++---------
> src/egl/drivers/dri2/platform_android.c | 10 +++---
> src/egl/drivers/dri2/platform_drm.c | 55
> +++++++++++++++++----------------
> src/egl/drivers/dri2/platform_wayland.c | 46 +++++++++++++--------------
> 4 files changed, 71 insertions(+), 70 deletions(-)
>
> diff --git a/src/egl/drivers/dri2/egl_dri2.h
> b/src/egl/drivers/dri2/egl_dri2.h
> index 017895f0d9..08ccf24410 100644
> --- a/src/egl/drivers/dri2/egl_dri2.h
> +++ b/src/egl/drivers/dri2/egl_dri2.h
> @@ -65,6 +65,15 @@ struct zwp_linux_dmabuf_v1;
>
> #endif /* HAVE_ANDROID_PLATFORM */
>
> +#if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
> +#define COLOR_BUFFERS_SIZE 4
> +#else
> + /* Usually Android uses at most triple buffers in ANativeWindow
> + * so hardcode the number of color_buffers to 3.
> + */
> +#define COLOR_BUFFERS_SIZE 3
> +#endif
> +
> #include "eglconfig.h"
> #include "eglcontext.h"
> #include "egldisplay.h"
> @@ -286,39 +295,28 @@ struct dri2_egl_surface
> /* EGL-owned buffers */
> __DRIbuffer *local_buffers[__DRI_BUFFER_COUNT];
>
> -#if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
> + /* Used to record all the buffers created by each platform's native
> window
> + * and their ages.
> + */
> struct {
> + void *native_buffer; // aka wl_buffer/gbm_bo/ANativeWindowBuffer
> #ifdef HAVE_WAYLAND_PLATFORM
> - struct wl_buffer *wl_buffer;
> __DRIimage *dri_image;
> /* for is_different_gpu case. NULL else */
> __DRIimage *linear_copy;
> /* for swrast */
> void *data;
> int data_size;
> -#endif
> -#ifdef HAVE_DRM_PLATFORM
> - struct gbm_bo *bo;
> #endif
> bool locked;
> int age;
> - } color_buffers[4], *back, *current;
> -#endif
> + } color_buffers[COLOR_BUFFERS_SIZE], *back, *current;
>
> #ifdef HAVE_ANDROID_PLATFORM
> struct ANativeWindow *window;
> struct ANativeWindowBuffer *buffer;
> __DRIimage *dri_image_back;
> __DRIimage *dri_image_front;
> -
> - /* Used to record all the buffers created by ANativeWindow and their
> ages.
> - * Usually Android uses at most triple buffers in ANativeWindow
> - * so hardcode the number of color_buffers to 3.
> - */
> - struct {
> - struct ANativeWindowBuffer *buffer;
> - int age;
> - } color_buffers[3], *back;
> #endif
>
> #if defined(HAVE_SURFACELESS_PLATFORM)
> diff --git a/src/egl/drivers/dri2/platform_android.c
> b/src/egl/drivers/dri2/platform_android.c
> index 0acbb38bd8..67e739c1fc 100644
> --- a/src/egl/drivers/dri2/platform_android.c
> +++ b/src/egl/drivers/dri2/platform_android.c
> @@ -193,10 +193,10 @@ droid_window_dequeue_buffer(struct dri2_egl_surface
> *dri2_surf)
> */
> EGLBoolean updated = EGL_FALSE;
> for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> - if (!dri2_surf->color_buffers[i].buffer) {
> - dri2_surf->color_buffers[i].buffer = dri2_surf->buffer;
> + if (!dri2_surf->color_buffers[i].native_buffer) {
> + dri2_surf->color_buffers[i].native_buffer = (void
> *)dri2_surf->buffer;
> }
> - if (dri2_surf->color_buffers[i].buffer == dri2_surf->buffer) {
> + if (dri2_surf->color_buffers[i].native_buffer == (void
> *)dri2_surf->buffer) {
> dri2_surf->back = &dri2_surf->color_buffers[i];
> updated = EGL_TRUE;
> break;
> @@ -208,10 +208,10 @@ droid_window_dequeue_buffer(struct dri2_egl_surface
> *dri2_surf)
> * the color_buffers
> */
> for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> - dri2_surf->color_buffers[i].buffer = NULL;
> + dri2_surf->color_buffers[i].native_buffer = NULL;
> dri2_surf->color_buffers[i].age = 0;
> }
> - dri2_surf->color_buffers[0].buffer = dri2_surf->buffer;
> + dri2_surf->color_buffers[0].native_buffer = (void
> *)dri2_surf->buffer;
> dri2_surf->back = &dri2_surf->color_buffers[0];
> }
>
> diff --git a/src/egl/drivers/dri2/platform_drm.c
> b/src/egl/drivers/dri2/platform_drm.c
> index 9005f5dd9e..3527352bab 100644
> --- a/src/egl/drivers/dri2/platform_drm.c
> +++ b/src/egl/drivers/dri2/platform_drm.c
> @@ -53,7 +53,7 @@ lock_front_buffer(struct gbm_surface *_surf)
> return NULL;
> }
>
> - bo = dri2_surf->current->bo;
> + bo = (struct gbm_bo *)dri2_surf->current->native_buffer;
>
> if (device->dri2) {
> dri2_surf->current->locked = true;
> @@ -70,7 +70,7 @@ release_buffer(struct gbm_surface *_surf, struct gbm_bo
> *bo)
> struct dri2_egl_surface *dri2_surf = surf->dri_private;
>
> for (unsigned i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> - if (dri2_surf->color_buffers[i].bo == bo) {
> + if (dri2_surf->color_buffers[i].native_buffer == (void *)bo) {
> dri2_surf->color_buffers[i].locked = false;
> break;
> }
> @@ -172,8 +172,8 @@ dri2_drm_destroy_surface(_EGLDriver *drv, _EGLDisplay
> *disp, _EGLSurface *surf)
> dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
>
> for (unsigned i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> - if (dri2_surf->color_buffers[i].bo)
> - gbm_bo_destroy(dri2_surf->color_buffers[i].bo);
> + if (dri2_surf->color_buffers[i].native_buffer)
> + gbm_bo_destroy((struct gbm_bo *)dri2_surf->color_buffers[i].
> native_buffer);
> }
>
> dri2_egl_surface_free_local_buffers(dri2_surf);
> @@ -204,23 +204,24 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
>
> if (dri2_surf->back == NULL)
> return -1;
> - if (dri2_surf->back->bo == NULL) {
> + if (dri2_surf->back->native_buffer == NULL) {
> if (surf->base.modifiers)
> - dri2_surf->back->bo = gbm_bo_create_with_modifiers(&
> dri2_dpy->gbm_dri->base,
> -
> surf->base.width,
> -
> surf->base.height,
> -
> surf->base.format,
> -
> surf->base.modifiers,
> -
> surf->base.count);
> + dri2_surf->back->native_buffer =
> + (void *)gbm_bo_create_with_modifiers
> (&dri2_dpy->gbm_dri->base,
> + surf->base.width,
> + surf->base.height,
> + surf->base.format,
> + surf->base.modifiers,
> + surf->base.count);
> else
> - dri2_surf->back->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base,
> - surf->base.width,
> - surf->base.height,
> - surf->base.format,
> - surf->base.flags);
> + dri2_surf->back->native_buffer = (void
> *)gbm_bo_create(&dri2_dpy->gbm_dri->base,
> +
> surf->base.width,
> +
> surf->base.height,
> +
> surf->base.format,
> +
> surf->base.flags);
>
> }
> - if (dri2_surf->back->bo == NULL)
> + if (dri2_surf->back->native_buffer == NULL)
> return -1;
>
> return 0;
> @@ -238,11 +239,13 @@ get_swrast_front_bo(struct dri2_egl_surface
> *dri2_surf)
> dri2_surf->current = &dri2_surf->color_buffers[0];
> }
>
> - if (dri2_surf->current->bo == NULL)
> - dri2_surf->current->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base,
> - surf->base.width,
> surf->base.height,
> - surf->base.format,
> surf->base.flags);
> - if (dri2_surf->current->bo == NULL)
> + if (dri2_surf->current->native_buffer == NULL)
> + dri2_surf->current->native_buffer = (void
> *)gbm_bo_create(&dri2_dpy->gbm_dri->base,
> +
> surf->base.width,
> +
> surf->base.height,
> +
> surf->base.format,
> +
> surf->base.flags);
> + if (dri2_surf->current->native_buffer == NULL)
> return -1;
>
> return 0;
> @@ -256,7 +259,7 @@ back_bo_to_dri_buffer(struct dri2_egl_surface
> *dri2_surf, __DRIbuffer *buffer)
> struct gbm_dri_bo *bo;
> int name, pitch;
>
> - bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
> + bo = (struct gbm_dri_bo *) dri2_surf->back->native_buffer;
>
> dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_NAME,
> &name);
> dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE,
> &pitch);
> @@ -360,7 +363,7 @@ dri2_drm_image_get_buffers(__DRIdrawable *driDrawable,
> if (get_back_bo(dri2_surf) < 0)
> return 0;
>
> - bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
> + bo = (struct gbm_dri_bo *) dri2_surf->back->native_buffer;
> buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
> buffers->back = bo->image;
>
> @@ -496,7 +499,7 @@ swrast_put_image2(__DRIdrawable *driDrawable,
> if (get_swrast_front_bo(dri2_surf) < 0)
> return;
>
> - bo = gbm_dri_bo(dri2_surf->current->bo);
> + bo = gbm_dri_bo(dri2_surf->current->native_buffer);
>
> bpp = gbm_bo_get_bpp(&bo->base);
> if (bpp == 0)
> @@ -541,7 +544,7 @@ swrast_get_image(__DRIdrawable *driDrawable,
> if (get_swrast_front_bo(dri2_surf) < 0)
> return;
>
> - bo = gbm_dri_bo(dri2_surf->current->bo);
> + bo = gbm_dri_bo(dri2_surf->current->native_buffer);
>
> bpp = gbm_bo_get_bpp(&bo->base);
> if (bpp == 0)
> diff --git a/src/egl/drivers/dri2/platform_wayland.c
> b/src/egl/drivers/dri2/platform_wayland.c
> index 14db55ca74..1518a24b7c 100644
> --- a/src/egl/drivers/dri2/platform_wayland.c
> +++ b/src/egl/drivers/dri2/platform_wayland.c
> @@ -77,7 +77,7 @@ wl_buffer_release(void *data, struct wl_buffer *buffer)
> int i;
>
> for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
> - if (dri2_surf->color_buffers[i].wl_buffer == buffer)
> + if (dri2_surf->color_buffers[i].native_buffer == (void *)buffer)
> break;
>
> if (i == ARRAY_SIZE(dri2_surf->color_buffers)) {
> @@ -267,8 +267,8 @@ dri2_wl_destroy_surface(_EGLDriver *drv, _EGLDisplay
> *disp, _EGLSurface *surf)
> dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
>
> for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> - if (dri2_surf->color_buffers[i].wl_buffer)
> - wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
> + if (dri2_surf->color_buffers[i].native_buffer)
> + wl_buffer_destroy((struct wl_buffer
> *)dri2_surf->color_buffers[i].native_buffer);
> if (dri2_surf->color_buffers[i].dri_image)
> dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dr
> i_image);
> if (dri2_surf->color_buffers[i].linear_copy)
> @@ -309,9 +309,9 @@ dri2_wl_release_buffers(struct dri2_egl_surface
> *dri2_surf)
> dri2_egl_display(dri2_surf->base.Resource.Display);
>
> for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> - if (dri2_surf->color_buffers[i].wl_buffer &&
> + if (dri2_surf->color_buffers[i].native_buffer &&
> !dri2_surf->color_buffers[i].locked)
> - wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
> + wl_buffer_destroy((struct wl_buffer
> *)dri2_surf->color_buffers[i].native_buffer);
> if (dri2_surf->color_buffers[i].dri_image)
> dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dr
> i_image);
> if (dri2_surf->color_buffers[i].linear_copy)
> @@ -320,7 +320,7 @@ dri2_wl_release_buffers(struct dri2_egl_surface
> *dri2_surf)
> munmap(dri2_surf->color_buffers[i].data,
> dri2_surf->color_buffers[i].data_size);
>
> - dri2_surf->color_buffers[i].wl_buffer = NULL;
> + dri2_surf->color_buffers[i].native_buffer = NULL;
> dri2_surf->color_buffers[i].dri_image = NULL;
> dri2_surf->color_buffers[i].linear_copy = NULL;
> dri2_surf->color_buffers[i].data = NULL;
> @@ -514,12 +514,12 @@ update_buffers(struct dri2_egl_surface *dri2_surf)
> * That means we can free any unlocked buffer now. */
> for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> if (!dri2_surf->color_buffers[i].locked &&
> - dri2_surf->color_buffers[i].wl_buffer) {
> - wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
> + dri2_surf->color_buffers[i].native_buffer) {
> + wl_buffer_destroy((struct wl_buffer
> *)dri2_surf->color_buffers[i].native_buffer);
> dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dr
> i_image);
> if (dri2_dpy->is_different_gpu)
> dri2_dpy->image->destroyImage(dri2_surf->color_
> buffers[i].linear_copy);
> - dri2_surf->color_buffers[i].wl_buffer = NULL;
> + dri2_surf->color_buffers[i].native_buffer = NULL;
> dri2_surf->color_buffers[i].dri_image = NULL;
> dri2_surf->color_buffers[i].linear_copy = NULL;
> }
> @@ -848,7 +848,7 @@ dri2_wl_swap_buffers_with_damage(_EGLDriver *drv,
> dri2_surf->current = dri2_surf->back;
> dri2_surf->back = NULL;
>
> - if (!dri2_surf->current->wl_buffer) {
> + if (!dri2_surf->current->native_buffer) {
> __DRIimage *image;
>
> if (dri2_dpy->is_different_gpu)
> @@ -856,15 +856,15 @@ dri2_wl_swap_buffers_with_damage(_EGLDriver *drv,
> else
> image = dri2_surf->current->dri_image;
>
> - dri2_surf->current->wl_buffer =
> - create_wl_buffer(dri2_dpy, dri2_surf, image);
> + dri2_surf->current->native_buffer =
> + (void *)create_wl_buffer(dri2_dpy, dri2_surf, image);
>
> - wl_buffer_add_listener(dri2_surf->current->wl_buffer,
> + wl_buffer_add_listener(dri2_surf->current->native_buffer,
> &wl_buffer_listener, dri2_surf);
> }
>
> wl_surface_attach(dri2_surf->wl_surface_wrapper,
> - dri2_surf->current->wl_buffer,
> + (struct wl_buffer *)dri2_surf->current->native_b
> uffer,
> dri2_surf->dx, dri2_surf->dy);
>
> dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
> @@ -1521,7 +1521,7 @@ static EGLBoolean
> dri2_wl_swrast_allocate_buffer(struct dri2_egl_surface *dri2_surf,
> int format, int w, int h,
> void **data, int *size,
> - struct wl_buffer **buffer)
> + void **buffer)
> {
> struct dri2_egl_display *dri2_dpy =
> dri2_egl_display(dri2_surf->base.Resource.Display);
> @@ -1546,7 +1546,7 @@ dri2_wl_swrast_allocate_buffer(struct
> dri2_egl_surface *dri2_surf,
> /* Share it in a wl_buffer */
> pool = wl_shm_create_pool(dri2_dpy->wl_shm, fd, size_map);
> wl_proxy_set_queue((struct wl_proxy *)pool, dri2_surf->wl_queue);
> - *buffer = wl_shm_pool_create_buffer(pool, 0, w, h, stride, format);
> + *buffer = (void *)wl_shm_pool_create_buffer(pool, 0, w, h, stride,
> format);
> wl_shm_pool_destroy(pool);
> close(fd);
>
> @@ -1585,7 +1585,7 @@ swrast_update_buffers(struct dri2_egl_surface
> *dri2_surf)
> /* try get free buffer already created */
> for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> if (!dri2_surf->color_buffers[i].locked &&
> - dri2_surf->color_buffers[i].wl_buffer) {
> + dri2_surf->color_buffers[i].native_buffer) {
> dri2_surf->back = &dri2_surf->color_buffers[i];
> break;
> }
> @@ -1602,11 +1602,11 @@ swrast_update_buffers(struct dri2_egl_surface
> *dri2_surf)
> dri2_surf->base.Height,
> &dri2_surf->back->data,
>
> &dri2_surf->back->data_size,
> -
> &dri2_surf->back->wl_buffer)) {
> +
> &dri2_surf->back->native_buffer)) {
> _eglError(EGL_BAD_ALLOC, "failed to allocate color
> buffer");
> return -1;
> }
> - wl_buffer_add_listener(dri2_surf->back->wl_buffer,
> + wl_buffer_add_listener((struct wl_buffer
> *)dri2_surf->back->native_buffer,
> &wl_buffer_listener, dri2_surf);
> break;
> }
> @@ -1625,11 +1625,11 @@ swrast_update_buffers(struct dri2_egl_surface
> *dri2_surf)
> * That means we can free any unlocked buffer now. */
> for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
> if (!dri2_surf->color_buffers[i].locked &&
> - dri2_surf->color_buffers[i].wl_buffer) {
> - wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
> + dri2_surf->color_buffers[i].native_buffer) {
> + wl_buffer_destroy((struct wl_buffer
> *)dri2_surf->color_buffers[i].native_buffer);
> munmap(dri2_surf->color_buffers[i].data,
> dri2_surf->color_buffers[i].data_size);
> - dri2_surf->color_buffers[i].wl_buffer = NULL;
> + dri2_surf->color_buffers[i].native_buffer = NULL;
> dri2_surf->color_buffers[i].data = NULL;
> }
> }
> @@ -1675,7 +1675,7 @@ dri2_wl_swrast_commit_backbuffer(struct
> dri2_egl_surface *dri2_surf)
> dri2_surf->back = NULL;
>
> wl_surface_attach(dri2_surf->wl_surface_wrapper,
> - dri2_surf->current->wl_buffer,
> + (struct wl_buffer *)dri2_surf->current->native_b
> uffer,
> dri2_surf->dx, dri2_surf->dy);
>
> dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
> --
> 2.14.2
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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