Do not render off-screen software cursors
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ca9dfd2e14
commit
9142def292
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@ -5,6 +5,7 @@
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#include <tgmath.h>
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#include <time.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/interfaces/wlr_output.h>
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@ -237,6 +238,14 @@ void wlr_output_make_current(struct wlr_output *output) {
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output->impl->make_current(output);
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}
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static void output_cursor_get_box(struct wlr_output_cursor *cursor,
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struct wlr_box *box) {
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box->x = cursor->x - cursor->hotspot_x;
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box->y = cursor->y - cursor->hotspot_y;
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box->width = cursor->width;
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box->height = cursor->height;
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}
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static void output_cursor_render(struct wlr_output_cursor *cursor) {
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struct wlr_texture *texture = cursor->texture;
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struct wlr_renderer *renderer = cursor->renderer;
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@ -249,17 +258,33 @@ static void output_cursor_render(struct wlr_output_cursor *cursor) {
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renderer = cursor->surface->renderer;
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}
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if (texture != NULL && renderer != NULL) {
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glViewport(0, 0, cursor->output->width, cursor->output->height);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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float matrix[16];
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wlr_texture_get_matrix(texture, &matrix,
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&cursor->output->transform_matrix, cursor->x - cursor->hotspot_x,
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cursor->y - cursor->hotspot_y);
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wlr_render_with_matrix(renderer, texture, &matrix);
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if (texture == NULL || renderer == NULL) {
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return;
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}
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struct wlr_box output_box;
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memset(&output_box, 0, sizeof(output_box));
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wlr_output_effective_resolution(cursor->output, &output_box.width,
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&output_box.height);
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struct wlr_box cursor_box;
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output_cursor_get_box(cursor, &cursor_box);
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struct wlr_box intersection;
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struct wlr_box *intersection_ptr = &intersection;
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if (!wlr_box_intersection(&output_box, &cursor_box, &intersection_ptr)) {
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return;
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}
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glViewport(0, 0, cursor->output->width, cursor->output->height);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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float matrix[16];
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wlr_texture_get_matrix(texture, &matrix,
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&cursor->output->transform_matrix, cursor->x - cursor->hotspot_x,
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cursor->y - cursor->hotspot_y);
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wlr_render_with_matrix(renderer, texture, &matrix);
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}
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void wlr_output_swap_buffers(struct wlr_output *output) {
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