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Merge pull request #53 from nyorain/drm_buffer

Browse source 
Implement drm (egl) buffer attaching
This commit is contained in:
Drew DeVault 2017-08-10 22:20:21 -04:00 • committed by GitHub
commit 6569c2b626
33 changed files with 427 additions and 74 deletions
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7
backend/backend.c
View file

@ -39,6 +39,13 @@ void wlr_backend_destroy(struct wlr_backend *backend) {
free(backend);
}
struct wlr_egl *wlr_backend_get_egl(struct wlr_backend *backend) {
if (!backend->impl->get_egl) {
return NULL;
}
return backend->impl->get_egl(backend->state);
}
static struct wlr_backend *attempt_wl_backend(struct wl_display *display) {
struct wlr_backend *backend = wlr_wl_backend_create(display);
if (backend) {

12
backend/drm/backend.c
View file

@ -12,6 +12,7 @@
#include <wlr/interfaces/wlr_output.h>
#include <wlr/util/list.h>
#include <wlr/util/log.h>
#include <wlr/egl.h>
#include "backend/udev.h"
#include "backend/drm.h"
@ -38,9 +39,14 @@ static void wlr_drm_backend_destroy(struct wlr_backend_state *drm) {
free(drm);
}
static struct wlr_egl *wlr_drm_backend_get_egl(struct wlr_backend_state *drm) {
return &drm->renderer.egl;
}
static struct wlr_backend_impl backend_impl = {
.init = wlr_drm_backend_init,
.destroy = wlr_drm_backend_destroy
.destroy = wlr_drm_backend_destroy,
.get_egl = wlr_drm_backend_get_egl
};
static void session_signal(struct wl_listener *listener, void *data) {
@ -149,6 +155,10 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
goto error_event;
}
if (!wlr_egl_bind_display(&drm->renderer.egl, display)) {
wlr_log(L_INFO, "Failed to bind egl/wl display: %s", egl_error());
}
return backend;
error_event:

2
backend/drm/drm.c
View file

@ -579,7 +579,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
wlr_matrix_texture(plane->matrix, plane->width, plane->height,
output->base->transform ^ WL_OUTPUT_TRANSFORM_FLIPPED_180);
plane->wlr_rend = wlr_gles2_renderer_init();
plane->wlr_rend = wlr_gles2_renderer_init(drm->base);
if (!plane->wlr_rend) {
return false;
}

180
backend/egl.c
View file

@ -1,180 +0,0 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES3/gl3.h>
#include <gbm.h> // GBM_FORMAT_XRGB8888
#include <wlr/util/log.h>
#include "backend/egl.h"
const char *egl_error(void) {
switch (eglGetError()) {
case EGL_SUCCESS:
return "Success";
case EGL_NOT_INITIALIZED:
return "Not initialized";
case EGL_BAD_ACCESS:
return "Bad access";
case EGL_BAD_ALLOC:
return "Bad alloc";
case EGL_BAD_ATTRIBUTE:
return "Bad attribute";
case EGL_BAD_CONTEXT:
return "Bad Context";
case EGL_BAD_CONFIG:
return "Bad Config";
case EGL_BAD_CURRENT_SURFACE:
return "Bad current surface";
case EGL_BAD_DISPLAY:
return "Bad display";
case EGL_BAD_SURFACE:
return "Bad surface";
case EGL_BAD_MATCH:
return "Bad match";
case EGL_BAD_PARAMETER:
return "Bad parameter";
case EGL_BAD_NATIVE_PIXMAP:
return "Bad native pixmap";
case EGL_BAD_NATIVE_WINDOW:
return "Bad native window";
case EGL_CONTEXT_LOST:
return "Context lost";
default:
return "Unknown";
}
}
// EGL extensions
PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display;
PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window_surface;
static bool egl_exts() {
get_platform_display = (PFNEGLGETPLATFORMDISPLAYEXTPROC)
eglGetProcAddress("eglGetPlatformDisplayEXT");
if (!get_platform_display) {
wlr_log(L_ERROR, "Failed to load EGL extension 'eglGetPlatformDisplayEXT'");
return false;
}
create_platform_window_surface = (PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC)
eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
if (!get_platform_display) {
wlr_log(L_ERROR,
"Failed to load EGL extension 'eglCreatePlatformWindowSurfaceEXT'");
return false;
}
return true;
}
static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLenum platform) {
EGLint count = 0, matched = 0, ret;
ret = eglGetConfigs(disp, NULL, 0, &count);
if (ret == EGL_FALSE || count == 0) {
wlr_log(L_ERROR, "eglGetConfigs returned no configs");
return false;
}
EGLConfig configs[count];
ret = eglChooseConfig(disp, NULL, configs, count, &matched);
if (ret == EGL_FALSE) {
wlr_log(L_ERROR, "eglChooseConfig failed");
return false;
}
for (int i = 0; i < matched; ++i) {
EGLint gbm_format;
if (platform == EGL_PLATFORM_WAYLAND_EXT) {
*out = configs[i];
return true;
}
if (!eglGetConfigAttrib(disp,
configs[i],
EGL_NATIVE_VISUAL_ID,
&gbm_format)) {
continue;
}
if (gbm_format == GBM_FORMAT_ARGB8888) {
*out = configs[i];
return true;
}
}
wlr_log(L_ERROR, "no valid egl config found");
return false;
}
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *display) {
if (!egl_exts()) {
return false;
}
if (eglBindAPI(EGL_OPENGL_ES_API) == EGL_FALSE) {
wlr_log(L_ERROR, "Failed to bind to the OpenGL ES API: %s", egl_error());
goto error;
}
egl->display = get_platform_display(platform, display, NULL);
if (egl->display == EGL_NO_DISPLAY) {
wlr_log(L_ERROR, "Failed to create EGL display: %s", egl_error());
goto error;
}
EGLint major, minor;
if (eglInitialize(egl->display, &major, &minor) == EGL_FALSE) {
wlr_log(L_ERROR, "Failed to initialize EGL: %s", egl_error());
goto error;
}
if (!egl_get_config(egl->display, &egl->config, platform)) {
wlr_log(L_ERROR, "Failed to get EGL config");
goto error;
}
static const EGLint attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
egl->context = eglCreateContext(egl->display, egl->config,
EGL_NO_CONTEXT, attribs);
if (egl->context == EGL_NO_CONTEXT) {
wlr_log(L_ERROR, "Failed to create EGL context: %s", egl_error());
goto error;
}
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context);
wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor);
wlr_log(L_INFO, "Supported EGL extensions: %s", eglQueryString(egl->display,
EGL_EXTENSIONS));
wlr_log(L_INFO, "Using %s", glGetString(GL_VERSION));
wlr_log(L_INFO, "Supported OpenGL ES extensions: %s", glGetString(GL_EXTENSIONS));
return true;
error:
eglTerminate(egl->display);
eglReleaseThread();
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
return false;
}
void wlr_egl_free(struct wlr_egl *egl) {
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(egl->display, egl->context);
eglTerminate(egl->display);
eglReleaseThread();
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window) {
EGLSurface surf = create_platform_window_surface(egl->display, egl->config,
window, NULL);
if (surf == EGL_NO_SURFACE) {
wlr_log(L_ERROR, "Failed to create EGL surface: %s", egl_error());
return EGL_NO_SURFACE;
}
return surf;
}

1
backend/meson.build
View file

@ -1,6 +1,5 @@
wlr_files += files(
'backend.c',
'egl.c',
'udev.c',
'session/direct-ipc.c',
'session/direct.c',

14
backend/multi/backend.c
View file

@ -38,9 +38,21 @@ static void multi_backend_destroy(struct wlr_backend_state *state) {
free(state);
}
static struct wlr_egl *multi_backend_get_egl(struct wlr_backend_state *state) {
for (size_t i = 0; i < state->backends->length; ++i) {
struct subbackend_state *sub = state->backends->items[i];
struct wlr_egl *egl = wlr_backend_get_egl(sub->backend);
if (egl) {
return egl;
}
}
return NULL;
}
struct wlr_backend_impl backend_impl = {
.init = multi_backend_init,
.destroy = multi_backend_destroy
.destroy = multi_backend_destroy,
.get_egl = multi_backend_get_egl
};
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,

10
backend/wayland/backend.c
View file

@ -4,6 +4,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <wayland-server.h>
#include <wlr/egl.h>
#include <wlr/backend/interface.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/interfaces/wlr_input_device.h>
@ -52,6 +53,8 @@ static bool wlr_wl_backend_init(struct wlr_backend_state* state) {
}
wlr_egl_init(&state->egl, EGL_PLATFORM_WAYLAND_EXT, state->remote_display);
wlr_egl_bind_display(&state->egl, state->local_display);
for (size_t i = 0; i < state->requested_outputs; ++i) {
wlr_wl_output_create(state->backend);
}
@ -93,9 +96,14 @@ static void wlr_wl_backend_destroy(struct wlr_backend_state *state) {
free(state);
}
static struct wlr_egl *wlr_wl_backend_get_egl(struct wlr_backend_state *state) {
return &state->egl;
}
static struct wlr_backend_impl backend_impl = {
.init = wlr_wl_backend_init,
.destroy = wlr_wl_backend_destroy
.destroy = wlr_wl_backend_destroy,
.get_egl = wlr_wl_backend_get_egl
};
bool wlr_backend_is_wl(struct wlr_backend *b) {

1
backend/wayland/output.c
View file

@ -117,6 +117,7 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *_backend) {
strncpy(wlr_output->model, "wayland", sizeof(wlr_output->model));
snprintf(wlr_output->name, sizeof(wlr_output->name), "WL-%zd",
backend->outputs->length + 1);
wlr_output_update_matrix(wlr_output);
ostate->backend = backend;
ostate->wlr_output = wlr_output;