output: add wlr_output_init_render
Co-authored-by: Simon Zeni <simon@bl4ckb0ne.ca>
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b5d4bc3c62
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142d10e591
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@ -182,6 +182,8 @@ struct wlr_output {
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struct wlr_buffer *cursor_front_buffer;
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int software_cursor_locks; // number of locks forcing software cursors
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struct wlr_allocator *allocator;
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struct wlr_renderer *renderer;
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struct wlr_swapchain *swapchain;
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struct wlr_buffer *back_buffer, *front_buffer;
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@ -256,6 +258,18 @@ struct wlr_surface;
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void wlr_output_enable(struct wlr_output *output, bool enable);
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void wlr_output_create_global(struct wlr_output *output);
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void wlr_output_destroy_global(struct wlr_output *output);
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/**
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* Initialize the output's rendering subsystem with the provided allocator and
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* renderer. Can only be called once.
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*
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* Call this function prior to any call to wlr_output_attach_render,
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* wlr_output_commit or wlr_output_cursor_create.
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*
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* The buffer capabilities of the provided must match the capabilities of the
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* output's backend. Returns false otherwise.
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*/
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bool wlr_output_init_render(struct wlr_output *output,
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struct wlr_allocator *allocator, struct wlr_renderer *renderer);
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/**
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* Returns the preferred mode for this output. If the output doesn't support
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* modes, returns NULL.
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@ -6,7 +6,6 @@
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/util/log.h>
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#include "backend/backend.h"
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#include "render/allocator/allocator.h"
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#include "render/swapchain.h"
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#include "types/wlr_output.h"
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@ -38,7 +37,7 @@ void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock) {
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}
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static void output_scissor(struct wlr_output *output, pixman_box32_t *rect) {
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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struct wlr_renderer *renderer = output->renderer;
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assert(renderer);
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struct wlr_box box = {
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@ -71,8 +70,7 @@ static void output_cursor_get_box(struct wlr_output_cursor *cursor,
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static void output_cursor_render(struct wlr_output_cursor *cursor,
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pixman_region32_t *damage) {
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struct wlr_renderer *renderer =
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wlr_backend_get_renderer(cursor->output->backend);
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struct wlr_renderer *renderer = cursor->output->renderer;
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assert(renderer);
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struct wlr_texture *texture = cursor->texture;
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@ -195,7 +193,7 @@ static void output_cursor_update_visible(struct wlr_output_cursor *cursor) {
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}
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static struct wlr_drm_format *output_pick_cursor_format(struct wlr_output *output) {
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struct wlr_allocator *allocator = backend_get_allocator(output->backend);
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struct wlr_allocator *allocator = output->allocator;
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assert(allocator != NULL);
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const struct wlr_drm_format_set *display_formats = NULL;
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@ -226,17 +224,9 @@ static struct wlr_buffer *render_cursor_buffer(struct wlr_output_cursor *cursor)
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return NULL;
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}
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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if (renderer == NULL) {
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wlr_log(WLR_ERROR, "Failed to get backend renderer");
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return NULL;
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}
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struct wlr_allocator *allocator = backend_get_allocator(output->backend);
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if (allocator == NULL) {
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wlr_log(WLR_ERROR, "Failed to get backend allocator");
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return NULL;
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}
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struct wlr_allocator *allocator = output->allocator;
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struct wlr_renderer *renderer = output->renderer;
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assert(allocator != NULL && renderer != NULL);
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int width = texture->width;
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int height = texture->height;
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@ -370,8 +360,7 @@ static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
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bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
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const uint8_t *pixels, int32_t stride, uint32_t width, uint32_t height,
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int32_t hotspot_x, int32_t hotspot_y) {
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struct wlr_renderer *renderer =
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wlr_backend_get_renderer(cursor->output->backend);
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struct wlr_renderer *renderer = cursor->output->renderer;
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if (!renderer) {
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// if the backend has no renderer, we can't draw a cursor, but this is
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// actually okay, for ex. with the noop backend
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@ -11,6 +11,30 @@
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#include "render/wlr_renderer.h"
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#include "types/wlr_output.h"
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bool wlr_output_init_render(struct wlr_output *output,
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struct wlr_allocator *allocator, struct wlr_renderer *renderer) {
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assert(output->allocator == NULL && allocator != NULL);
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assert(output->renderer == NULL && renderer != NULL);
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uint32_t backend_caps = backend_get_buffer_caps(output->backend);
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uint32_t renderer_caps = renderer_get_render_buffer_caps(renderer);
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if (!(backend_caps & allocator->buffer_caps)) {
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wlr_log(WLR_ERROR, "output backend and allocator buffer capabilities "
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"don't match");
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return false;
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} else if (!(backend_caps & renderer_caps)) {
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wlr_log(WLR_ERROR, "output backend and renderer buffer capabilities "
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"don't match");
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return false;
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}
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output->allocator = allocator;
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output->renderer = renderer;
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return true;
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}
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/**
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* Ensure the output has a suitable swapchain. The swapchain is re-created if
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* necessary.
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@ -29,11 +53,8 @@ static bool output_create_swapchain(struct wlr_output *output,
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return true;
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}
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struct wlr_allocator *allocator = backend_get_allocator(output->backend);
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if (allocator == NULL) {
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wlr_log(WLR_ERROR, "Failed to get backend allocator");
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return false;
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}
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struct wlr_allocator *allocator = output->allocator;
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assert(allocator != NULL);
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const struct wlr_drm_format_set *display_formats = NULL;
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if (output->impl->get_primary_formats) {
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@ -80,7 +101,7 @@ static bool output_attach_back_buffer(struct wlr_output *output,
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return false;
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}
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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struct wlr_renderer *renderer = output->renderer;
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assert(renderer != NULL);
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struct wlr_buffer *buffer =
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@ -103,7 +124,7 @@ void output_clear_back_buffer(struct wlr_output *output) {
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return;
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}
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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struct wlr_renderer *renderer = output->renderer;
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assert(renderer != NULL);
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renderer_bind_buffer(renderer, NULL);
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@ -130,7 +151,7 @@ static bool output_attach_empty_buffer(struct wlr_output *output) {
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int width, height;
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output_pending_resolution(output, &width, &height);
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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struct wlr_renderer *renderer = output->renderer;
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wlr_renderer_begin(renderer, width, height);
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wlr_renderer_clear(renderer, (float[]){0, 0, 0, 0});
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wlr_renderer_end(renderer);
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@ -211,8 +232,8 @@ void wlr_output_lock_attach_render(struct wlr_output *output, bool lock) {
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struct wlr_drm_format *output_pick_format(struct wlr_output *output,
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const struct wlr_drm_format_set *display_formats) {
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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struct wlr_allocator *allocator = backend_get_allocator(output->backend);
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struct wlr_renderer *renderer = output->renderer;
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struct wlr_allocator *allocator = output->allocator;
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assert(renderer != NULL && allocator != NULL);
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const struct wlr_drm_format_set *render_formats =
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@ -264,7 +285,9 @@ struct wlr_drm_format *output_pick_format(struct wlr_output *output,
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}
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uint32_t wlr_output_preferred_read_format(struct wlr_output *output) {
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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struct wlr_renderer *renderer = output->renderer;
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assert(renderer != NULL);
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if (!renderer->impl->preferred_read_format || !renderer->impl->read_pixels) {
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return DRM_FORMAT_INVALID;
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}
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