aboutsummaryrefslogtreecommitdiff
path: root/backend/drm
diff options
context:
space:
mode:
Diffstat (limited to 'backend/drm')
-rw-r--r--backend/drm/backend.c2
-rw-r--r--backend/drm/drm.c161
-rw-r--r--backend/drm/iface_atomic.c8
-rw-r--r--backend/drm/iface_legacy.c2
-rw-r--r--backend/drm/renderer.c126
5 files changed, 152 insertions, 147 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index e046cea6..95c86bb1 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -33,7 +33,7 @@ static void wlr_drm_backend_destroy(struct wlr_backend *_backend) {
wlr_output_destroy(&output->output);
}
- wlr_drm_renderer_free(&backend->renderer);
+ wlr_drm_renderer_finish(&backend->renderer);
wlr_drm_resources_free(backend);
wlr_session_close_file(backend->session, backend->fd);
wl_event_source_remove(backend->drm_event);
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 40a6f37b..05a050e6 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -173,121 +173,9 @@ void wlr_drm_resources_free(struct wlr_drm_backend *backend) {
free(backend->planes);
}
-bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) {
- renderer->gbm = gbm_create_device(fd);
- if (!renderer->gbm) {
- wlr_log(L_ERROR, "Failed to create GBM device: %s", strerror(errno));
- return false;
- }
-
- if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA,
- GBM_FORMAT_ARGB8888, renderer->gbm)) {
- gbm_device_destroy(renderer->gbm);
- return false;
- }
-
- renderer->fd = fd;
- return true;
-}
-
-void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) {
- if (!renderer) {
- return;
- }
-
- wlr_egl_free(&renderer->egl);
- gbm_device_destroy(renderer->gbm);
-}
-
-static bool wlr_drm_plane_renderer_init(struct wlr_drm_renderer *renderer,
- struct wlr_drm_plane *plane, uint32_t width, uint32_t height, uint32_t format, uint32_t flags) {
- if (plane->width == width && plane->height == height) {
- return true;
- }
-
- plane->width = width;
- plane->height = height;
-
- plane->gbm = gbm_surface_create(renderer->gbm, width, height,
- format, GBM_BO_USE_RENDERING | flags);
- if (!plane->gbm) {
- wlr_log_errno(L_ERROR, "Failed to create GBM surface for plane");
- return false;
- }
-
- plane->egl = wlr_egl_create_surface(&renderer->egl, plane->gbm);
- if (plane->egl == EGL_NO_SURFACE) {
- wlr_log(L_ERROR, "Failed to create EGL surface for plane");
- return false;
- }
-
- return true;
-}
-
-static void wlr_drm_plane_renderer_free(struct wlr_drm_renderer *renderer,
- struct wlr_drm_plane *plane) {
- if (!renderer || !plane) {
- return;
- }
-
- eglMakeCurrent(renderer->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-
- if (plane->front) {
- gbm_surface_release_buffer(plane->gbm, plane->front);
- }
- if (plane->back) {
- gbm_surface_release_buffer(plane->gbm, plane->back);
- }
-
- if (plane->egl) {
- eglDestroySurface(renderer->egl.display, plane->egl);
- }
- if (plane->gbm) {
- gbm_surface_destroy(plane->gbm);
- }
-
- if (plane->wlr_tex) {
- wlr_texture_destroy(plane->wlr_tex);
- }
- if (plane->wlr_rend) {
- wlr_renderer_destroy(plane->wlr_rend);
- }
- if (plane->cursor_bo) {
- gbm_bo_destroy(plane->cursor_bo);
- }
-
- plane->width = 0;
- plane->height = 0;
- plane->egl = EGL_NO_SURFACE;
- plane->gbm = NULL;
- plane->front = NULL;
- plane->back = NULL;
- plane->wlr_rend = NULL;
- plane->wlr_tex = NULL;
- plane->cursor_bo = NULL;
-}
-
-static void wlr_drm_plane_make_current(struct wlr_drm_renderer *renderer,
- struct wlr_drm_plane *plane) {
- eglMakeCurrent(renderer->egl.display, plane->egl, plane->egl,
- renderer->egl.context);
-}
-
-static void wlr_drm_plane_swap_buffers(struct wlr_drm_renderer *renderer,
- struct wlr_drm_plane *plane) {
- if (plane->front) {
- gbm_surface_release_buffer(plane->gbm, plane->front);
- }
-
- eglSwapBuffers(renderer->egl.display, plane->egl);
-
- plane->front = plane->back;
- plane->back = gbm_surface_lock_front_buffer(plane->gbm);
-}
-
static void wlr_drm_output_make_current(struct wlr_output *_output) {
struct wlr_drm_output *output = (struct wlr_drm_output *)_output;
- wlr_drm_plane_make_current(output->renderer, output->crtc->primary);
+ wlr_drm_surface_make_current(output->renderer, &output->crtc->primary->surf);
}
static void wlr_drm_output_swap_buffers(struct wlr_output *_output) {
@@ -298,9 +186,8 @@ static void wlr_drm_output_swap_buffers(struct wlr_output *_output) {
struct wlr_drm_crtc *crtc = output->crtc;
struct wlr_drm_plane *plane = crtc->primary;
- wlr_drm_plane_swap_buffers(renderer, plane);
-
- uint32_t fb_id = get_fb_for_bo(plane->back);
+ struct gbm_bo *bo = wlr_drm_surface_swap_buffers(renderer, &plane->surf);
+ uint32_t fb_id = get_fb_for_bo(bo);
if (backend->iface->crtc_pageflip(backend, output, crtc, fb_id, NULL)) {
output->pageflip_pending = true;
@@ -338,17 +225,7 @@ void wlr_drm_output_start_renderer(struct wlr_drm_output *output) {
struct wlr_drm_crtc *crtc = output->crtc;
struct wlr_drm_plane *plane = crtc->primary;
- struct gbm_bo *bo = plane->front;
- if (!bo) {
- // Render a black frame to start the rendering loop
- wlr_drm_plane_make_current(renderer, plane);
- glViewport(0, 0, plane->width, plane->height);
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
- wlr_drm_plane_swap_buffers(renderer, plane);
-
- bo = plane->back;
- }
+ struct gbm_bo *bo = wlr_drm_surface_get_front(renderer, &plane->surf);
struct wlr_drm_output_mode *_mode =
(struct wlr_drm_output_mode *)output->output.current_mode;
@@ -415,8 +292,10 @@ static void realloc_planes(struct wlr_drm_backend *backend, const uint32_t *crtc
struct wlr_drm_plane *new = &backend->type_planes[type][crtc_res[i]];
if (*old != new) {
- wlr_drm_plane_renderer_free(&backend->renderer, *old);
- wlr_drm_plane_renderer_free(&backend->renderer, new);
+ if (*old) {
+ wlr_drm_surface_finish(&backend->renderer, &(*old)->surf);
+ }
+ wlr_drm_surface_finish(&backend->renderer, &new->surf);
*old = new;
}
}
@@ -547,7 +426,7 @@ static bool wlr_drm_output_set_mode(struct wlr_output *_output,
continue;
}
- if (!wlr_drm_plane_renderer_init(&backend->renderer, crtc->primary,
+ if (!wlr_drm_surface_init(&backend->renderer, &crtc->primary->surf,
mode->width, mode->height, GBM_FORMAT_XRGB8888,
GBM_BO_USE_SCANOUT)) {
wlr_log(L_ERROR, "Failed to initalise renderer for plane");
@@ -598,7 +477,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output *_output,
crtc->cursor = plane;
}
- if (!plane->gbm) {
+ if (!plane->surf.gbm) {
int ret;
uint64_t w, h;
ret = drmGetCap(backend->fd, DRM_CAP_CURSOR_WIDTH, &w);
@@ -611,7 +490,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output *_output,
return false;
}
- if (!wlr_drm_plane_renderer_init(renderer, plane, w, h, GBM_FORMAT_ARGB8888, 0)) {
+ if (!wlr_drm_surface_init(renderer, &plane->surf, w, h, GBM_FORMAT_ARGB8888, 0)) {
wlr_log(L_ERROR, "Cannot allocate cursor resources");
return false;
}
@@ -625,7 +504,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output *_output,
// OpenGL will read the pixels out upside down,
// so we need to flip the image vertically
- wlr_matrix_texture(plane->matrix, plane->width, plane->height,
+ wlr_matrix_texture(plane->matrix, plane->surf.width, plane->surf.height,
output->output.transform ^ WL_OUTPUT_TRANSFORM_FLIPPED_180);
// TODO the image needs to be rotated depending on the output rotation
@@ -653,12 +532,12 @@ static bool wlr_drm_output_set_cursor(struct wlr_output *_output,
return false;
}
- wlr_drm_plane_make_current(renderer, plane);
+ wlr_drm_surface_make_current(renderer, &plane->surf);
wlr_texture_upload_pixels(plane->wlr_tex, WL_SHM_FORMAT_ARGB8888,
stride, width, height, buf);
- glViewport(0, 0, plane->width, plane->height);
+ glViewport(0, 0, plane->surf.width, plane->surf.height);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
@@ -668,10 +547,10 @@ static bool wlr_drm_output_set_cursor(struct wlr_output *_output,
glFinish();
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, bo_stride);
- glReadPixels(0, 0, plane->width, plane->height, GL_BGRA_EXT, GL_UNSIGNED_BYTE, bo_data);
+ glReadPixels(0, 0, plane->surf.width, plane->surf.height, GL_BGRA_EXT, GL_UNSIGNED_BYTE, bo_data);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
- wlr_drm_plane_swap_buffers(renderer, plane);
+ wlr_drm_surface_swap_buffers(renderer, &plane->surf);
gbm_bo_unmap(bo, bo_data);
@@ -914,9 +793,9 @@ static void page_flip_handler(int fd, unsigned seq,
}
struct wlr_drm_plane *plane = output->crtc->primary;
- if (plane->front) {
- gbm_surface_release_buffer(plane->gbm, plane->front);
- plane->front = NULL;
+ if (plane->surf.front) {
+ gbm_surface_release_buffer(plane->surf.gbm, plane->surf.front);
+ plane->surf.front = NULL;
}
if (backend->session->active) {
@@ -987,7 +866,7 @@ void wlr_drm_output_cleanup(struct wlr_drm_output *output) {
case WLR_DRM_OUTPUT_CLEANUP:;
struct wlr_drm_crtc *crtc = output->crtc;
for (int i = 0; i < 3; ++i) {
- wlr_drm_plane_renderer_free(renderer, crtc->planes[i]);
+ wlr_drm_surface_finish(renderer, &crtc->planes[i]->surf);
if (crtc->planes[i] && crtc->planes[i]->id == 0) {
free(crtc->planes[i]);
crtc->planes[i] = NULL;
diff --git a/backend/drm/iface_atomic.c b/backend/drm/iface_atomic.c
index 75a3c33a..ce5de091 100644
--- a/backend/drm/iface_atomic.c
+++ b/backend/drm/iface_atomic.c
@@ -84,10 +84,10 @@ static void set_plane_props(struct atomic *atom, struct wlr_drm_plane *plane,
// The src_* properties are in 16.16 fixed point
atomic_add(atom, id, props->src_x, 0);
atomic_add(atom, id, props->src_y, 0);
- atomic_add(atom, id, props->src_w, plane->width << 16);
- atomic_add(atom, id, props->src_h, plane->height << 16);
- atomic_add(atom, id, props->crtc_w, plane->width);
- atomic_add(atom, id, props->crtc_h, plane->height);
+ atomic_add(atom, id, props->src_w, plane->surf.width << 16);
+ atomic_add(atom, id, props->src_h, plane->surf.height << 16);
+ atomic_add(atom, id, props->crtc_w, plane->surf.width);
+ atomic_add(atom, id, props->crtc_h, plane->surf.height);
atomic_add(atom, id, props->fb_id, fb_id);
atomic_add(atom, id, props->crtc_id, crtc_id);
if (set_crtc_xy) {
diff --git a/backend/drm/iface_legacy.c b/backend/drm/iface_legacy.c
index 110b38b5..e320af93 100644
--- a/backend/drm/iface_legacy.c
+++ b/backend/drm/iface_legacy.c
@@ -45,7 +45,7 @@ bool legacy_crtc_set_cursor(struct wlr_drm_backend *backend,
struct wlr_drm_plane *plane = crtc->cursor;
if (drmModeSetCursor(backend->fd, crtc->id, gbm_bo_get_handle(bo).u32,
- plane->width, plane->height)) {
+ plane->surf.width, plane->surf.height)) {
wlr_log_errno(L_ERROR, "Failed to set hardware cursor");
return false;
}
diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c
new file mode 100644
index 00000000..8afc6dca
--- /dev/null
+++ b/backend/drm/renderer.c
@@ -0,0 +1,126 @@
+#include <stdbool.h>
+
+#include <gbm.h>
+#include <GLES2/gl2.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include <wlr/egl.h>
+#include <wlr/util/log.h>
+#include "backend/drm/drm.h"
+
+bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) {
+ renderer->gbm = gbm_create_device(fd);
+ if (!renderer->gbm) {
+ wlr_log(L_ERROR, "Failed to create GBM device");
+ return false;
+ }
+
+ if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA,
+ GBM_FORMAT_ARGB8888, renderer->gbm)) {
+ gbm_device_destroy(renderer->gbm);
+ return false;
+ }
+
+ renderer->fd = fd;
+ return true;
+}
+
+void wlr_drm_renderer_finish(struct wlr_drm_renderer *renderer) {
+ if (!renderer) {
+ return;
+ }
+
+ wlr_egl_free(&renderer->egl);
+ gbm_device_destroy(renderer->gbm);
+}
+
+bool wlr_drm_surface_init(struct wlr_drm_renderer *renderer,
+ struct wlr_drm_surface *surf, uint32_t width, uint32_t height,
+ uint32_t format, uint32_t flags) {
+ if (surf->width == width && surf->height == height) {
+ return true;
+ }
+
+ surf->width = width;
+ surf->height = height;
+
+ surf->gbm = gbm_surface_create(renderer->gbm, width, height,
+ format, GBM_BO_USE_RENDERING | flags);
+ if (!surf->gbm) {
+ wlr_log_errno(L_ERROR, "Failed to create GBM surface");
+ goto error_zero;
+ }
+
+ surf->egl = wlr_egl_create_surface(&renderer->egl, surf->gbm);
+ if (surf->egl == EGL_NO_SURFACE) {
+ wlr_log(L_ERROR, "Failed to create EGL surface");
+ goto error_gbm;
+ }
+
+ return true;
+
+error_gbm:
+ gbm_surface_destroy(surf->gbm);
+error_zero:
+ memset(surf, 0, sizeof(*surf));
+ return false;
+}
+
+void wlr_drm_surface_finish(struct wlr_drm_renderer *renderer,
+ struct wlr_drm_surface *surf) {
+ if (!renderer || !surf || !surf->gbm) {
+ return;
+ }
+
+ eglMakeCurrent(renderer->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE,
+ EGL_NO_CONTEXT);
+
+ if (surf->front) {
+ gbm_surface_release_buffer(surf->gbm, surf->front);
+ }
+ if (surf->back) {
+ gbm_surface_release_buffer(surf->gbm, surf->back);
+ }
+
+ if (surf->egl) {
+ eglDestroySurface(renderer->egl.display, surf->egl);
+ }
+ if (surf->gbm) {
+ gbm_surface_destroy(surf->gbm);
+ }
+
+ memset(surf, 0, sizeof(*surf));
+}
+
+void wlr_drm_surface_make_current(struct wlr_drm_renderer *renderer,
+ struct wlr_drm_surface *surf) {
+ eglMakeCurrent(renderer->egl.display, surf->egl, surf->egl,
+ renderer->egl.context);
+}
+
+struct gbm_bo *wlr_drm_surface_swap_buffers(struct wlr_drm_renderer *renderer,
+ struct wlr_drm_surface *surf) {
+ if (surf->front) {
+ gbm_surface_release_buffer(surf->gbm, surf->front);
+ }
+
+ eglSwapBuffers(renderer->egl.display, surf->egl);
+
+ surf->front = surf->back;
+ surf->back = gbm_surface_lock_front_buffer(surf->gbm);
+ return surf->back;
+}
+
+struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_renderer *renderer,
+ struct wlr_drm_surface *surf) {
+ if (surf->front) {
+ return surf->front;
+ }
+
+ wlr_drm_surface_make_current(renderer, surf);
+ glViewport(0, 0, surf->width, surf->height);
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ return wlr_drm_surface_swap_buffers(renderer, surf);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-22 02:25:19 +0000