From e29a0df8c14fdc5038e64de4a1ad08a7de8fd7fc Mon Sep 17 00:00:00 2001 From: emersion Date: Fri, 19 Jan 2018 14:08:47 +0100 Subject: [PATCH] output: fix software cursors damage tracking --- examples/multi-pointer.c | 2 +- examples/output-layout.c | 2 +- examples/pointer.c | 2 +- examples/rotation.c | 2 +- examples/simple.c | 2 +- examples/tablet.c | 2 +- examples/touch.c | 2 +- include/wlr/types/wlr_output.h | 9 +++- rootston/output.c | 2 +- types/wlr_output.c | 82 ++++++++++++++++++++++++---------- 10 files changed, 74 insertions(+), 33 deletions(-) diff --git a/examples/multi-pointer.c b/examples/multi-pointer.c index 62aa1bac..d5297aef 100644 --- a/examples/multi-pointer.c +++ b/examples/multi-pointer.c @@ -62,7 +62,7 @@ static void handle_output_frame(struct output_state *output, sample->clear_color[2], sample->clear_color[3]); glClear(GL_COLOR_BUFFER_BIT); - wlr_output_swap_buffers(wlr_output); + wlr_output_swap_buffers(wlr_output, NULL, NULL); } static void handle_output_add(struct output_state *ostate) { diff --git a/examples/output-layout.c b/examples/output-layout.c index 35ed22a8..825e97d1 100644 --- a/examples/output-layout.c +++ b/examples/output-layout.c @@ -125,7 +125,7 @@ static void handle_output_frame(struct output_state *output, } wlr_renderer_end(sample->renderer); - wlr_output_swap_buffers(wlr_output); + wlr_output_swap_buffers(wlr_output, NULL, NULL); } static void handle_output_add(struct output_state *ostate) { diff --git a/examples/pointer.c b/examples/pointer.c index 9894e311..8b0993e5 100644 --- a/examples/pointer.c +++ b/examples/pointer.c @@ -91,7 +91,7 @@ static void handle_output_frame(struct output_state *output, sample->clear_color[2], sample->clear_color[3]); glClear(GL_COLOR_BUFFER_BIT); - wlr_output_swap_buffers(wlr_output); + wlr_output_swap_buffers(wlr_output, NULL, NULL); } static void handle_output_add(struct output_state *ostate) { diff --git a/examples/rotation.c b/examples/rotation.c index 1d974025..6fa06dcc 100644 --- a/examples/rotation.c +++ b/examples/rotation.c @@ -56,7 +56,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts } wlr_renderer_end(sample->renderer); - wlr_output_swap_buffers(wlr_output); + wlr_output_swap_buffers(wlr_output, NULL, NULL); long ms = (ts->tv_sec - output->last_frame.tv_sec) * 1000 + (ts->tv_nsec - output->last_frame.tv_nsec) / 1000000; diff --git a/examples/simple.c b/examples/simple.c index 95c056c8..f788618d 100644 --- a/examples/simple.c +++ b/examples/simple.c @@ -40,7 +40,7 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) { glClearColor(sample->color[0], sample->color[1], sample->color[2], 1.0); glClear(GL_COLOR_BUFFER_BIT); - wlr_output_swap_buffers(output->output); + wlr_output_swap_buffers(output->output, NULL, NULL); } int main() { diff --git a/examples/tablet.c b/examples/tablet.c index f3cd5339..5498c9ff 100644 --- a/examples/tablet.c +++ b/examples/tablet.c @@ -76,7 +76,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts } wlr_renderer_end(sample->renderer); - wlr_output_swap_buffers(wlr_output); + wlr_output_swap_buffers(wlr_output, NULL, NULL); } static void handle_tool_axis(struct tablet_tool_state *tstate, diff --git a/examples/touch.c b/examples/touch.c index 4c1f97b6..5c778743 100644 --- a/examples/touch.c +++ b/examples/touch.c @@ -56,7 +56,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts } wlr_renderer_end(sample->renderer); - wlr_output_swap_buffers(wlr_output); + wlr_output_swap_buffers(wlr_output, NULL, NULL); } static void handle_touch_down(struct touch_state *tstate, int32_t touch_id, diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h index 2c28e82f..1091ee62 100644 --- a/include/wlr/types/wlr_output.h +++ b/include/wlr/types/wlr_output.h @@ -2,6 +2,7 @@ #define WLR_TYPES_WLR_OUTPUT_H #include +#include #include #include #include @@ -103,7 +104,13 @@ void wlr_output_destroy(struct wlr_output *output); void wlr_output_effective_resolution(struct wlr_output *output, int *width, int *height); void wlr_output_make_current(struct wlr_output *output); -void wlr_output_swap_buffers(struct wlr_output *output); +/** + * Swaps the output buffers. If the time of the frame isn't known, set `when` to + * NULL. If the compositor doesn't support damage tracking, set `damage` to + * NULL. + */ +void wlr_output_swap_buffers(struct wlr_output *output, struct timespec *when, + pixman_region32_t *damage); void wlr_output_set_gamma(struct wlr_output *output, uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b); uint32_t wlr_output_get_gamma_size(struct wlr_output *output); diff --git a/rootston/output.c b/rootston/output.c index a1448917..93d74703 100644 --- a/rootston/output.c +++ b/rootston/output.c @@ -374,7 +374,7 @@ static void render_output(struct roots_output *output) { renderer_end: glDisable(GL_SCISSOR_TEST); wlr_renderer_end(server->renderer); - wlr_output_swap_buffers(wlr_output); + wlr_output_swap_buffers(wlr_output, &now, &damage); output->frame_scheduled = true; pixman_region32_copy(&output->previous_damage, &output->damage); pixman_region32_clear(&output->damage); diff --git a/types/wlr_output.c b/types/wlr_output.c index bf02967c..55ee1cb3 100644 --- a/types/wlr_output.c +++ b/types/wlr_output.c @@ -408,7 +408,7 @@ static void output_cursor_get_box(struct wlr_output_cursor *cursor, } static void output_cursor_render(struct wlr_output_cursor *cursor, - const struct timespec *when) { + const struct timespec *when, pixman_region32_t *damage) { struct wlr_texture *texture = cursor->texture; struct wlr_renderer *renderer = cursor->renderer; if (cursor->surface != NULL) { @@ -420,13 +420,22 @@ static void output_cursor_render(struct wlr_output_cursor *cursor, return; } + struct wlr_box box; + output_cursor_get_box(cursor, &box); + + pixman_region32_t surface_damage; + pixman_region32_init(&surface_damage); + pixman_region32_union_rect(&surface_damage, &surface_damage, box.x, box.y, + box.width, box.height); + pixman_region32_intersect(&surface_damage, &surface_damage, damage); + if (!pixman_region32_not_empty(&surface_damage)) { + goto surface_damage_finish; + } + glViewport(0, 0, cursor->output->width, cursor->output->height); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - struct wlr_box box; - output_cursor_get_box(cursor, &box); - float translate[16]; wlr_matrix_translate(&translate, box.x, box.y, 0); @@ -439,43 +448,68 @@ static void output_cursor_render(struct wlr_output_cursor *cursor, wlr_render_with_matrix(renderer, texture, &matrix); + int nrects; + pixman_box32_t *rects = pixman_region32_rectangles(&surface_damage, &nrects); + glEnable(GL_SCISSOR_TEST); + for (int i = 0; i < nrects; ++i) { + glScissor(rects[i].x1, cursor->output->height - rects[i].y2, + rects[i].x2 - rects[i].x1, rects[i].y2 - rects[i].y1); + wlr_render_with_matrix(renderer, texture, &matrix); + } + glDisable(GL_SCISSOR_TEST); + if (cursor->surface != NULL) { wlr_surface_send_frame_done(cursor->surface, when); } + +surface_damage_finish: + pixman_region32_fini(&surface_damage); } -void wlr_output_swap_buffers(struct wlr_output *output) { - wl_signal_emit(&output->events.swap_buffers, &output); +void wlr_output_swap_buffers(struct wlr_output *output, struct timespec *when, + pixman_region32_t *damage) { + wl_signal_emit(&output->events.swap_buffers, damage); - struct timespec now; - clock_gettime(CLOCK_MONOTONIC, &now); + pixman_region32_t *render_damage = damage; + if (damage == NULL) { + pixman_region32_t output_damage; + pixman_region32_init(&output_damage); + pixman_region32_copy(&output_damage, &output->damage); + pixman_region32_union(&output_damage, &output_damage, + &output->previous_damage); + render_damage = &output_damage; + } - if (output->fullscreen_surface != NULL) { - pixman_region32_t damage; - pixman_region32_init(&damage); - pixman_region32_copy(&damage, &output->damage); - pixman_region32_union(&damage, &damage, &output->previous_damage); + if (when == NULL) { + struct timespec now; + clock_gettime(CLOCK_MONOTONIC, &now); + when = &now; + } - if (pixman_region32_not_empty(&damage)) { + if (pixman_region32_not_empty(render_damage)) { + if (output->fullscreen_surface != NULL) { output_fullscreen_surface_render(output, output->fullscreen_surface, - &now, &damage); + when, render_damage); } - pixman_region32_fini(&damage); - } - - struct wlr_output_cursor *cursor; - wl_list_for_each(cursor, &output->cursors, link) { - if (!cursor->enabled || !cursor->visible || - output->hardware_cursor == cursor) { - continue; + struct wlr_output_cursor *cursor; + wl_list_for_each(cursor, &output->cursors, link) { + if (!cursor->enabled || !cursor->visible || + output->hardware_cursor == cursor) { + continue; + } + output_cursor_render(cursor, when, render_damage); } - output_cursor_render(cursor, &now); } + // TODO: provide `damage` (not `render_damage`) to backend output->impl->swap_buffers(output); pixman_region32_copy(&output->previous_damage, &output->damage); pixman_region32_clear(&output->damage); + + if (damage == NULL) { + pixman_region32_fini(render_damage); + } } void wlr_output_set_gamma(struct wlr_output *output,