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-rw-r--r--include/wlr/interfaces/wlr_output.h1
-rw-r--r--include/wlr/types/wlr_output.h19
-rw-r--r--types/output/output.c46
-rw-r--r--types/output/render.c22
4 files changed, 81 insertions, 7 deletions
diff --git a/include/wlr/interfaces/wlr_output.h b/include/wlr/interfaces/wlr_output.h
index 100754f6..5ae1ab56 100644
--- a/include/wlr/interfaces/wlr_output.h
+++ b/include/wlr/interfaces/wlr_output.h
@@ -21,6 +21,7 @@
(WLR_OUTPUT_STATE_DAMAGE | \
WLR_OUTPUT_STATE_SCALE | \
WLR_OUTPUT_STATE_TRANSFORM | \
+ WLR_OUTPUT_STATE_RENDER_FORMAT | \
WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED)
/**
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
index 9d3dc3cb..7d7fbaad 100644
--- a/include/wlr/types/wlr_output.h
+++ b/include/wlr/types/wlr_output.h
@@ -61,6 +61,7 @@ enum wlr_output_state_field {
WLR_OUTPUT_STATE_TRANSFORM = 1 << 5,
WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED = 1 << 6,
WLR_OUTPUT_STATE_GAMMA_LUT = 1 << 7,
+ WLR_OUTPUT_STATE_RENDER_FORMAT = 1 << 8,
};
enum wlr_output_state_mode_type {
@@ -78,6 +79,7 @@ struct wlr_output_state {
float scale;
enum wl_output_transform transform;
bool adaptive_sync_enabled;
+ uint32_t render_format;
// only valid if WLR_OUTPUT_STATE_BUFFER
struct wlr_buffer *buffer;
@@ -134,6 +136,7 @@ struct wlr_output {
enum wl_output_subpixel subpixel;
enum wl_output_transform transform;
enum wlr_output_adaptive_sync_status adaptive_sync_status;
+ uint32_t render_format;
bool needs_frame;
// damage for cursors and fullscreen surface, in output-local coordinates
@@ -309,6 +312,22 @@ void wlr_output_set_transform(struct wlr_output *output,
*/
void wlr_output_enable_adaptive_sync(struct wlr_output *output, bool enabled);
/**
+ * Set the output buffer render format. Default value: DRM_FORMAT_XRGB8888
+ *
+ * While high bit depth render formats are necessary for a monitor to receive
+ * useful high bit data, they do not guarantee it; a DRM_FORMAT_XBGR2101010
+ * buffer will only lead to sending 10-bpc image data to the monitor if
+ * hardware and software permit this.
+ *
+ * This only affects the format of the output buffer used when rendering,
+ * as with `wlr_output_attach_render`. It has no impact on the cursor buffer
+ * format, or on the formats supported for direct scan-out (see also
+ * `wlr_output_attach_buffer`).
+ *
+ * This format is double-buffered state, see `wlr_output_commit`.
+ */
+void wlr_output_set_render_format(struct wlr_output *output, uint32_t format);
+/**
* Sets a scale for the output.
*
* Scale is double-buffered state, see `wlr_output_commit`.
diff --git a/types/output/output.c b/types/output/output.c
index 4e3f403f..76c9ed9e 100644
--- a/types/output/output.c
+++ b/types/output/output.c
@@ -1,10 +1,13 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
+#include <backend/backend.h>
+#include <drm_fourcc.h>
#include <stdlib.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/util/log.h>
+#include "render/allocator/allocator.h"
#include "render/swapchain.h"
#include "types/wlr_output.h"
#include "util/global.h"
@@ -296,6 +299,16 @@ void wlr_output_enable_adaptive_sync(struct wlr_output *output, bool enabled) {
output->pending.adaptive_sync_enabled = enabled;
}
+void wlr_output_set_render_format(struct wlr_output *output, uint32_t format) {
+ if (output->render_format == format) {
+ output->pending.committed &= ~WLR_OUTPUT_STATE_RENDER_FORMAT;
+ return;
+ }
+
+ output->pending.committed |= WLR_OUTPUT_STATE_RENDER_FORMAT;
+ output->pending.render_format = format;
+}
+
void wlr_output_set_subpixel(struct wlr_output *output,
enum wl_output_subpixel subpixel) {
if (output->subpixel == subpixel) {
@@ -343,6 +356,7 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
output->impl = impl;
output->display = display;
wl_list_init(&output->modes);
+ output->render_format = DRM_FORMAT_XRGB8888;
output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
output->scale = 1;
output->commit_seq = 0;
@@ -542,6 +556,30 @@ static bool output_basic_test(struct wlr_output *output) {
}
}
+ if (output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
+ struct wlr_allocator *allocator = output->allocator;
+ assert(allocator != NULL);
+
+ const struct wlr_drm_format_set *display_formats = NULL;
+ if (output->impl->get_primary_formats) {
+ display_formats =
+ output->impl->get_primary_formats(output, allocator->buffer_caps);
+ if (display_formats == NULL) {
+ wlr_log(WLR_ERROR, "Failed to get primary display formats");
+ return false;
+ }
+ }
+
+ struct wlr_drm_format *format = output_pick_format(output, display_formats,
+ output->pending.render_format);
+ if (format == NULL) {
+ wlr_log(WLR_ERROR, "Failed to pick primary buffer format for output");
+ return false;
+ }
+
+ free(format);
+ }
+
bool enabled = output->enabled;
if (output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
enabled = output->pending.enabled;
@@ -569,6 +607,10 @@ static bool output_basic_test(struct wlr_output *output) {
wlr_log(WLR_DEBUG, "Tried to enable adaptive sync on a disabled output");
return false;
}
+ if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
+ wlr_log(WLR_DEBUG, "Tried to set format for a disabled output");
+ return false;
+ }
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
wlr_log(WLR_DEBUG, "Tried to set the gamma lut on a disabled output");
return false;
@@ -642,6 +684,10 @@ bool wlr_output_commit(struct wlr_output *output) {
}
}
+ if (output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
+ output->render_format = output->pending.render_format;
+ }
+
output->commit_seq++;
bool scale_updated = output->pending.committed & WLR_OUTPUT_STATE_SCALE;
diff --git a/types/output/render.c b/types/output/render.c
index adce1ee3..f23d1a9a 100644
--- a/types/output/render.c
+++ b/types/output/render.c
@@ -9,6 +9,7 @@
#include "render/drm_format_set.h"
#include "render/swapchain.h"
#include "render/wlr_renderer.h"
+#include "render/pixel_format.h"
#include "types/wlr_output.h"
bool wlr_output_init_render(struct wlr_output *output,
@@ -47,12 +48,6 @@ static bool output_create_swapchain(struct wlr_output *output,
int width, height;
output_pending_resolution(output, &width, &height);
- if (output->swapchain != NULL && output->swapchain->width == width &&
- output->swapchain->height == height &&
- (allow_modifiers || output->swapchain->format->len == 0)) {
- return true;
- }
-
struct wlr_allocator *allocator = output->allocator;
assert(allocator != NULL);
@@ -67,12 +62,22 @@ static bool output_create_swapchain(struct wlr_output *output,
}
struct wlr_drm_format *format = output_pick_format(output, display_formats,
- DRM_FORMAT_XRGB8888);
+ output->render_format);
if (format == NULL) {
wlr_log(WLR_ERROR, "Failed to pick primary buffer format for output '%s'",
output->name);
return false;
}
+
+ if (output->swapchain != NULL && output->swapchain->width == width &&
+ output->swapchain->height == height &&
+ output->swapchain->format->format == format->format &&
+ (allow_modifiers || output->swapchain->format->len == 0)) {
+ // no change, keep existing swapchain
+ free(format);
+ return true;
+ }
+
wlr_log(WLR_DEBUG, "Choosing primary buffer format 0x%"PRIX32" for output '%s'",
format->format, output->name);
@@ -171,6 +176,9 @@ bool output_ensure_buffer(struct wlr_output *output) {
if (output->pending.committed & WLR_OUTPUT_STATE_MODE) {
needs_new_buffer = true;
}
+ if (output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
+ needs_new_buffer = true;
+ }
if (!needs_new_buffer ||
(output->pending.committed & WLR_OUTPUT_STATE_BUFFER)) {
return true;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 18:18:24 +0000