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render/gles2: make EGL context current in bind_buffer

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Instead of requiring callers to manually make the EGL context current
before binding a buffer and unsetting it after unbinding a buffer, do
it inside wlr_renderer_bind_buffer.

This hides renderer-specific implementation details inside the
wlr_renderer interface. Non-GLES2 renderers may not use EGL.
This removes all EGL dependencies from the backends.

References: https://github.com/swaywm/wlroots/issues/2618
References: https://github.com/swaywm/wlroots/pull/2615#issuecomment-756687006
master
Simon Ser 4 years ago
parent 08a4c62aac
commit afdf4dc890
5 changed files with 6 additions and 55 deletions
Show Stats Download Patch File Download Diff File

8
backend/drm/renderer.c
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@ -8,8 +8,6 @@
#include <string.h>
#include <unistd.h>
#include <wayland-util.h>
#include <wlr/render/egl.h>
#include <wlr/render/gles2.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
@ -115,10 +113,6 @@ bool drm_surface_make_current(struct wlr_drm_surface *surf,
return false;
}
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(surf->renderer->wlr_rend);
if (!wlr_egl_make_current(egl)) {
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;
@ -129,10 +123,8 @@ bool drm_surface_make_current(struct wlr_drm_surface *surf,
void drm_surface_unset_current(struct wlr_drm_surface *surf) {
assert(surf->back_buffer != NULL);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(surf->renderer->wlr_rend);
wlr_renderer_bind_buffer(surf->renderer->wlr_rend, NULL);
wlr_egl_unset_current(egl);
wlr_buffer_unlock(surf->back_buffer);
surf->back_buffer = NULL;

15
backend/headless/output.c
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@ -2,8 +2,6 @@
#include <stdlib.h>
#include <stdio.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/egl.h>
#include <wlr/render/gles2.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/util/log.h>
#include "backend/headless.h"
@ -44,8 +42,6 @@ static bool output_attach_render(struct wlr_output *wlr_output,
int *buffer_age) {
struct wlr_headless_output *output =
headless_output_from_output(wlr_output);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(
output->backend->renderer);
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age);
@ -53,9 +49,6 @@ static bool output_attach_render(struct wlr_output *wlr_output,
return false;
}
if (!wlr_egl_make_current(egl)) {
return false;
}
if (!wlr_renderer_bind_buffer(output->backend->renderer,
output->back_buffer)) {
return false;
@ -102,10 +95,6 @@ static bool output_commit(struct wlr_output *wlr_output) {
wlr_renderer_bind_buffer(output->backend->renderer, NULL);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(
output->backend->renderer);
wlr_egl_unset_current(egl);
buffer = output->back_buffer;
output->back_buffer = NULL;
break;
@ -129,12 +118,8 @@ static bool output_commit(struct wlr_output *wlr_output) {
static void output_rollback_render(struct wlr_output *wlr_output) {
struct wlr_headless_output *output =
headless_output_from_output(wlr_output);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(
output->backend->renderer);
assert(wlr_egl_is_current(egl));
wlr_renderer_bind_buffer(output->backend->renderer, NULL);
wlr_egl_unset_current(egl);
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = NULL;

20
backend/wayland/output.c
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@ -10,8 +10,6 @@
#include <wayland-client.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/egl.h>
#include <wlr/render/gles2.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
@ -117,8 +115,6 @@ static bool output_set_custom_mode(struct wlr_output *wlr_output,
static bool output_attach_render(struct wlr_output *wlr_output,
int *buffer_age) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(
output->backend->renderer);
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age);
@ -126,9 +122,6 @@ static bool output_attach_render(struct wlr_output *wlr_output,
return false;
}
if (!wlr_egl_make_current(egl)) {
return false;
}
if (!wlr_renderer_bind_buffer(output->backend->renderer,
output->back_buffer)) {
return false;
@ -313,10 +306,6 @@ static bool output_commit(struct wlr_output *wlr_output) {
wlr_buffer = output->back_buffer;
wlr_renderer_bind_buffer(output->backend->renderer, NULL);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(
output->backend->renderer);
wlr_egl_unset_current(egl);
break;
case WLR_OUTPUT_STATE_BUFFER_SCANOUT:;
wlr_buffer = wlr_output->pending.buffer;
@ -376,10 +365,7 @@ static bool output_commit(struct wlr_output *wlr_output) {
static void output_rollback_render(struct wlr_output *wlr_output) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(
output->backend->renderer);
wlr_renderer_bind_buffer(output->backend->renderer, NULL);
wlr_egl_unset_current(egl);
}
static bool output_set_cursor(struct wlr_output *wlr_output,
@ -411,8 +397,6 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
struct wl_surface *surface = output->cursor.surface;
if (texture != NULL) {
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(
output->backend->renderer);
int width = texture->width * wlr_output->scale / scale;
int height = texture->height * wlr_output->scale / scale;
@ -434,9 +418,6 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
return false;
}
if (!wlr_egl_make_current(egl)) {
return false;
}
if (!wlr_renderer_bind_buffer(output->backend->renderer, wlr_buffer)) {
return false;
}
@ -458,7 +439,6 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
wlr_renderer_end(backend->renderer);
wlr_renderer_bind_buffer(output->backend->renderer, NULL);
wlr_egl_unset_current(egl);
struct wlr_wl_buffer *buffer =
get_or_create_wl_buffer(output->backend, wlr_buffer);

10
backend/x11/output.c
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@ -13,8 +13,6 @@
#include <wlr/interfaces/wlr_output.h>
#include <wlr/interfaces/wlr_pointer.h>
#include <wlr/interfaces/wlr_touch.h>
#include <wlr/render/egl.h>
#include <wlr/render/gles2.h>
#include <wlr/util/log.h>
#include "backend/x11.h"
@ -99,7 +97,6 @@ static bool output_attach_render(struct wlr_output *wlr_output,
int *buffer_age) {
struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
struct wlr_x11_backend *x11 = output->x11;
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(x11->renderer);
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age);
@ -107,9 +104,6 @@ static bool output_attach_render(struct wlr_output *wlr_output,
return false;
}
if (!wlr_egl_make_current(egl)) {
return false;
}
if (!wlr_renderer_bind_buffer(x11->renderer, output->back_buffer)) {
return false;
}
@ -207,12 +201,10 @@ static struct wlr_x11_buffer *get_or_create_x11_buffer(
static bool output_commit_buffer(struct wlr_x11_output *output) {
struct wlr_x11_backend *x11 = output->x11;
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(x11->renderer);
assert(output->back_buffer != NULL);
wlr_renderer_bind_buffer(x11->renderer, NULL);
wlr_egl_unset_current(egl);
struct wlr_x11_buffer *x11_buffer =
get_or_create_x11_buffer(output, output->back_buffer);
@ -319,10 +311,8 @@ static bool output_commit(struct wlr_output *wlr_output) {
static void output_rollback_render(struct wlr_output *wlr_output) {
struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
struct wlr_x11_backend *x11 = output->x11;
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(x11->renderer);
wlr_renderer_bind_buffer(x11->renderer, NULL);
wlr_egl_unset_current(egl);
}
static const struct wlr_output_impl output_impl = {

8
render/gles2/renderer.c
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@ -139,10 +139,11 @@ error_buffer:
static bool gles2_bind_buffer(struct wlr_renderer *wlr_renderer,
struct wlr_buffer *wlr_buffer) {
struct wlr_gles2_renderer *renderer =
gles2_get_renderer_in_context(wlr_renderer);
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
if (renderer->current_buffer != NULL) {
assert(wlr_egl_is_current(renderer->egl));
push_gles2_debug(renderer);
glFlush();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
@ -153,9 +154,12 @@ static bool gles2_bind_buffer(struct wlr_renderer *wlr_renderer,
}
if (wlr_buffer == NULL) {
wlr_egl_unset_current(renderer->egl);
return true;
}
wlr_egl_make_current(renderer->egl);
struct wlr_gles2_buffer *buffer = get_buffer(renderer, wlr_buffer);
if (buffer == NULL) {
buffer = create_buffer(renderer, wlr_buffer);

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