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backend-rdp: GL renderer support

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Let the GL renderer render to FBOs for RDP outputs and read the pixels
into the RDP frame buffer. This allows to run the RDP backend with the
GL renderer.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2023-01-11 14:51:03 +01:00 • committed by Derek Foreman
parent dbe5b53766
commit ca1f6936c4
1 changed files with 53 additions and 0 deletions
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53
libweston/backend-rdp/rdp.c
View file

@ -45,6 +45,8 @@
#include <libweston/backend-rdp.h>
#include <libweston/pixel-formats.h>
#include "pixman-renderer.h"
#include "renderer-gl/gl-renderer.h"
#include "shared/weston-egl-ext.h"
/* These can be removed when we bump FreeRDP dependency past 3.0.0 in the future */
#ifndef KBD_PERSIAN
@ -424,6 +426,12 @@ rdp_output_set_mode(struct weston_output *base, struct weston_mode *mode)
mode->width * 4);
break;
}
case WESTON_RENDERER_GL:
new_renderbuffer =
renderer->gl->create_fbo(output, b->formats[0],
mode->width, mode->height,
pixman_image_get_data(new_image));
break;
default:
unreachable("cannot have auto renderer at runtime");
}
@ -527,6 +535,35 @@ rdp_output_enable(struct weston_output *base)
}
break;
}
case WESTON_RENDERER_GL: {
const struct gl_renderer_fbo_options options = {
.area = {
.width = output->base.current_mode->width,
.height = output->base.current_mode->height,
},
.fb_size = {
.width = output->base.current_mode->width,
.height = output->base.current_mode->height,
},
};
if (renderer->gl->output_fbo_create(&output->base, &options) < 0)
return -1;
output->renderbuffer =
renderer->gl->create_fbo(&output->base, b->formats[0],
output->base.current_mode->width,
output->base.current_mode->height,
pixman_image_get_data(output->shadow_surface));
if (output->renderbuffer == NULL) {
weston_log("Failed to create surface for frame buffer.\n");
renderer->pixman->output_destroy(&output->base);
pixman_image_unref(output->shadow_surface);
output->shadow_surface = NULL;
return -1;
}
break;
}
default:
unreachable("cannot have auto renderer at runtime");
}
@ -554,6 +591,9 @@ rdp_output_disable(struct weston_output *base)
case WESTON_RENDERER_PIXMAN:
renderer->pixman->output_destroy(&output->base);
break;
case WESTON_RENDERER_GL:
renderer->gl->output_destroy(&output->base);
break;
default:
unreachable("cannot have auto renderer at runtime");
}
@ -1914,6 +1954,19 @@ rdp_backend_create(struct weston_compositor *compositor,
NULL) < 0)
goto err_compositor;
break;
case WESTON_RENDERER_GL: {
const struct gl_renderer_display_options options = {
.egl_platform = EGL_PLATFORM_SURFACELESS_MESA,
.formats = b->formats,
.formats_count = b->formats_count,
};
if (weston_compositor_init_renderer(compositor,
WESTON_RENDERER_GL,
&options.base) < 0)
goto err_compositor;
break;
}
default:
weston_log("Unsupported renderer requested\n");
goto err_free_strings;