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backend/drm: use wlr_swapchain

This commit is contained in:
Simon Ser 2020-06-01 19:49:51 +02:00
parent 1245730ea2
commit ef846a8839
3 changed files with 93 additions and 62 deletions
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6
backend/drm/drm.c
View File

@ -593,8 +593,8 @@ static bool drm_connector_commit(struct wlr_output *output) {
}
static void drm_connector_rollback_render(struct wlr_output *output) {
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
wlr_egl_unset_current(&drm->renderer.egl);
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
return drm_surface_unset_current(&conn->crtc->primary->surf);
}
size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm,
@ -883,7 +883,7 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
return false;
}
if (!plane->surf.gbm) {
if (!plane->surf.swapchain) {
int ret;
uint64_t w, h;
ret = drmGetCap(drm->fd, DRM_CAP_CURSOR_WIDTH, &w);

134
backend/drm/renderer.c
View File

@ -12,9 +12,13 @@
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include "backend/drm/drm.h"
#include "render/gbm_allocator.h"
#include "render/swapchain.h"
#include "render/wlr_renderer.h"
bool init_drm_renderer(struct wlr_drm_backend *drm,
struct wlr_drm_renderer *renderer, wlr_renderer_create_func_t create_renderer_func) {
// TODO: get rid of renderer->gbm
renderer->gbm = gbm_create_device(drm->fd);
if (!renderer->gbm) {
wlr_log(WLR_ERROR, "Failed to create GBM device");
@ -44,9 +48,17 @@ bool init_drm_renderer(struct wlr_drm_backend *drm,
goto error_gbm;
}
renderer->allocator = wlr_gbm_allocator_create(drm->fd);
if (renderer->allocator == NULL) {
wlr_log(WLR_ERROR, "Failed to create allocator");
goto error_wlr_rend;
}
renderer->fd = drm->fd;
return true;
error_wlr_rend:
wlr_renderer_destroy(renderer->wlr_rend);
error_gbm:
gbm_device_destroy(renderer->gbm);
return false;
@ -57,6 +69,7 @@ void finish_drm_renderer(struct wlr_drm_renderer *renderer) {
return;
}
wlr_allocator_destroy(&renderer->allocator->base);
wlr_renderer_destroy(renderer->wlr_rend);
wlr_egl_finish(&renderer->egl);
gbm_device_destroy(renderer->gbm);
@ -64,7 +77,7 @@ void finish_drm_renderer(struct wlr_drm_renderer *renderer) {
static bool init_drm_surface(struct wlr_drm_surface *surf,
struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
uint32_t format, struct wlr_drm_format_set *set, uint32_t flags) {
uint32_t format, const struct wlr_drm_format_set *set, uint32_t flags) {
if (surf->width == width && surf->height == height) {
return true;
}
@ -73,43 +86,41 @@ static bool init_drm_surface(struct wlr_drm_surface *surf,
surf->width = width;
surf->height = height;
if (surf->gbm) {
gbm_surface_destroy(surf->gbm);
surf->gbm = NULL;
}
wlr_egl_destroy_surface(&surf->renderer->egl, surf->egl);
wlr_buffer_unlock(surf->back_buffer);
surf->back_buffer = NULL;
wlr_swapchain_destroy(surf->swapchain);
surf->swapchain = NULL;
if (!(flags & GBM_BO_USE_LINEAR) && set != NULL) {
const struct wlr_drm_format *drm_format =
wlr_drm_format_set_get(set, format);
if (drm_format != NULL) {
surf->gbm = gbm_surface_create_with_modifiers(renderer->gbm,
width, height, format, drm_format->modifiers, drm_format->len);
}
const struct wlr_drm_format *drm_format = NULL;
const struct wlr_drm_format format_no_modifiers = { .format = format };
if (set != NULL) {
drm_format = wlr_drm_format_set_get(set, format);
} else {
drm_format = &format_no_modifiers;
}
if (surf->gbm == NULL) {
surf->gbm = gbm_surface_create(renderer->gbm, width, height,
format, GBM_BO_USE_RENDERING | flags);
struct wlr_drm_format *format_linear = NULL;
if (flags & GBM_BO_USE_LINEAR) {
format_linear = calloc(1, sizeof(struct wlr_drm_format) + sizeof(uint64_t));
if (format_linear == NULL) {
return false;
}
if (!surf->gbm) {
wlr_log_errno(WLR_ERROR, "Failed to create GBM surface");
goto error_zero;
format_linear->format = format;
format_linear->len = 1;
format_linear->modifiers[0] = DRM_FORMAT_MOD_LINEAR;
drm_format = format_linear;
}
surf->egl = wlr_egl_create_surface(&renderer->egl, surf->gbm);
if (surf->egl == EGL_NO_SURFACE) {
wlr_log(WLR_ERROR, "Failed to create EGL surface");
goto error_gbm;
surf->swapchain = wlr_swapchain_create(&renderer->allocator->base,
width, height, drm_format);
free(format_linear);
if (surf->swapchain == NULL) {
wlr_log(WLR_ERROR, "Failed to create swapchain");
memset(surf, 0, sizeof(*surf));
return false;
}
return true;
error_gbm:
gbm_surface_destroy(surf->gbm);
error_zero:
memset(surf, 0, sizeof(*surf));
return false;
}
static void finish_drm_surface(struct wlr_drm_surface *surf) {
@ -117,17 +128,44 @@ static void finish_drm_surface(struct wlr_drm_surface *surf) {
return;
}
wlr_egl_destroy_surface(&surf->renderer->egl, surf->egl);
if (surf->gbm) {
gbm_surface_destroy(surf->gbm);
}
wlr_buffer_unlock(surf->back_buffer);
wlr_swapchain_destroy(surf->swapchain);
memset(surf, 0, sizeof(*surf));
}
bool drm_surface_make_current(struct wlr_drm_surface *surf,
int *buffer_age) {
return wlr_egl_make_current(&surf->renderer->egl, surf->egl, buffer_age);
wlr_buffer_unlock(surf->back_buffer);
surf->back_buffer = wlr_swapchain_acquire(surf->swapchain);
if (surf->back_buffer == NULL) {
wlr_log(WLR_ERROR, "Failed to acquire swapchain buffer");
return false;
}
if (!wlr_egl_make_current(&surf->renderer->egl, EGL_NO_SURFACE, NULL)) {
return false;
}
if (!wlr_renderer_bind_buffer(surf->renderer->wlr_rend, surf->back_buffer)) {
wlr_log(WLR_ERROR, "Failed to attach buffer to renderer");
return false;
}
// TODO: damage tracking
if (buffer_age != NULL) {
*buffer_age = -1;
}
return true;
}
void drm_surface_unset_current(struct wlr_drm_surface *surf) {
assert(surf->back_buffer != NULL);
wlr_renderer_bind_buffer(surf->renderer->wlr_rend, NULL);
wlr_egl_unset_current(&surf->renderer->egl);
wlr_buffer_unlock(surf->back_buffer);
surf->back_buffer = NULL;
}
bool export_drm_bo(struct gbm_bo *bo, struct wlr_dmabuf_attributes *attribs) {
@ -251,7 +289,7 @@ void drm_fb_clear(struct wlr_drm_fb *fb) {
assert(!fb->bo);
break;
case WLR_DRM_FB_TYPE_SURFACE:
gbm_surface_release_buffer(fb->surf->gbm, fb->bo);
abort(); // TODO: remove this case entirely
break;
case WLR_DRM_FB_TYPE_WLR_BUFFER:
gbm_bo_destroy(fb->bo);
@ -264,29 +302,22 @@ void drm_fb_clear(struct wlr_drm_fb *fb) {
fb->bo = NULL;
if (fb->mgpu_bo) {
assert(fb->mgpu_surf);
// TODO
/*assert(fb->mgpu_surf);
gbm_surface_release_buffer(fb->mgpu_surf->gbm, fb->mgpu_bo);
fb->mgpu_bo = NULL;
fb->mgpu_surf = NULL;
fb->mgpu_surf = NULL;*/
}
}
bool drm_fb_lock_surface(struct wlr_drm_fb *fb, struct wlr_drm_surface *surf) {
drm_fb_clear(fb);
assert(surf->back_buffer != NULL);
if (!wlr_egl_swap_buffers(&surf->renderer->egl, surf->egl, NULL)) {
wlr_log(WLR_ERROR, "Failed to swap buffers");
if (!drm_fb_import_wlr(fb, surf->renderer, surf->back_buffer, NULL)) {
return false;
}
fb->bo = gbm_surface_lock_front_buffer(surf->gbm);
if (!fb->bo) {
wlr_log(WLR_ERROR, "Failed to lock front buffer");
return false;
}
fb->type = WLR_DRM_FB_TYPE_SURFACE;
fb->surf = surf;
drm_surface_unset_current(surf);
return true;
}
@ -299,7 +330,7 @@ bool drm_fb_import_wlr(struct wlr_drm_fb *fb, struct wlr_drm_renderer *renderer,
return false;
}
if (!wlr_drm_format_set_has(set, attribs.format, attribs.modifier)) {
if (set && !wlr_drm_format_set_has(set, attribs.format, attribs.modifier)) {
// The format isn't supported by the plane. Try stripping the alpha
// channel, if any.
uint32_t format = strip_alpha_channel(attribs.format);
@ -410,7 +441,8 @@ struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm
wlr_render_texture_with_matrix(renderer, tex, mat, 1.0f);
wlr_renderer_end(renderer);
if (!wlr_egl_swap_buffers(&mgpu->renderer->egl, mgpu->egl, NULL)) {
// TODO
/*if (!wlr_egl_swap_buffers(&mgpu->renderer->egl, mgpu->egl, NULL)) {
wlr_log(WLR_ERROR, "Failed to swap buffers");
return NULL;
}
@ -421,6 +453,6 @@ struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm
return NULL;
}
fb->mgpu_surf = mgpu;
fb->mgpu_surf = mgpu;*/
return fb->mgpu_bo;
}

9
include/backend/drm/renderer.h
View File

@ -20,6 +20,7 @@ struct wlr_drm_renderer {
uint32_t gbm_format;
struct wlr_renderer *wlr_rend;
struct wlr_gbm_allocator *allocator;
};
struct wlr_drm_surface {
@ -28,8 +29,8 @@ struct wlr_drm_surface {
uint32_t width;
uint32_t height;
struct gbm_surface *gbm;
EGLSurface egl;
struct wlr_swapchain *swapchain;
struct wlr_buffer *back_buffer;
};
enum wlr_drm_fb_type {
@ -45,10 +46,7 @@ struct wlr_drm_fb {
struct wlr_drm_surface *mgpu_surf;
struct gbm_bo *mgpu_bo;
union {
struct wlr_drm_surface *surf;
struct wlr_buffer *wlr_buf;
};
};
bool init_drm_renderer(struct wlr_drm_backend *drm,
@ -56,6 +54,7 @@ bool init_drm_renderer(struct wlr_drm_backend *drm,
void finish_drm_renderer(struct wlr_drm_renderer *renderer);
bool drm_surface_make_current(struct wlr_drm_surface *surf, int *buffer_age);
void drm_surface_unset_current(struct wlr_drm_surface *surf);
bool export_drm_bo(struct gbm_bo *bo, struct wlr_dmabuf_attributes *attribs);
void drm_fb_clear(struct wlr_drm_fb *fb);