Make wlr_output_transform_* functions public, refactoring
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@ -569,8 +569,7 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
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enum wl_output_transform transform =
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wlr_output_transform_invert(output->transform);
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struct wlr_box transformed_hotspot;
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wlr_output_transform_apply_to_box(transform, &hotspot,
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&transformed_hotspot);
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wlr_box_transform(&hotspot, transform, &transformed_hotspot);
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plane->cursor_hotspot_x = transformed_hotspot.x;
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plane->cursor_hotspot_y = transformed_hotspot.y;
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@ -632,7 +631,7 @@ static bool wlr_drm_connector_move_cursor(struct wlr_output *output,
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enum wl_output_transform transform =
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wlr_output_transform_invert(output->transform);
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struct wlr_box transformed_box;
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wlr_output_transform_apply_to_box(transform, &box, &transformed_box);
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wlr_box_transform(&box, transform, &transformed_box);
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transformed_box.x -= plane->cursor_hotspot_x;
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transformed_box.y -= plane->cursor_hotspot_y;
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@ -55,9 +55,8 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
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box.x = wl_fixed_to_int(surface_x);
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box.y = wl_fixed_to_int(surface_y);
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struct wlr_box transformed;
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wlr_output_transform_apply_to_box(
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wlr_wl_pointer->current_output->wlr_output.transform, &box,
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&transformed);
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wlr_box_transform(&box,
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wlr_wl_pointer->current_output->wlr_output.transform, &transformed);
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struct wlr_event_pointer_motion_absolute wlr_event;
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wlr_event.device = dev;
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@ -32,8 +32,4 @@ struct wl_global *wlr_output_create_global(struct wlr_output *wlr_output,
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struct wl_display *display);
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void wlr_output_destroy_global(struct wlr_output *wlr_output);
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void wlr_output_transform_apply_to_box(enum wl_output_transform transform,
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struct wlr_box *box, struct wlr_box *dest);
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enum wl_output_transform wlr_output_transform_invert(enum wl_output_transform);
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#endif
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@ -18,4 +18,8 @@ bool wlr_box_contains_point(struct wlr_box *box, double x, double y);
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bool wlr_box_empty(struct wlr_box *box);
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enum wl_output_transform;
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void wlr_box_transform(struct wlr_box *box, enum wl_output_transform transform,
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struct wlr_box *dest);
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#endif
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@ -86,35 +86,35 @@ void wlr_matrix_mul(const float (*x)[16], const float (*y)[16], float (*product)
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static const float transforms[][4] = {
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[WL_OUTPUT_TRANSFORM_NORMAL] = {
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1.0f, 0.0f,
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0.0f, -1.0f,
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0.0f, 1.0f,
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},
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[WL_OUTPUT_TRANSFORM_90] = {
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0.0f, -1.0f,
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-1.0f, 0.0f,
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1.0f, 0.0f,
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},
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[WL_OUTPUT_TRANSFORM_180] = {
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-1.0f, 0.0f,
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0.0f, 1.0f,
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0.0f, -1.0f,
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},
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[WL_OUTPUT_TRANSFORM_270] = {
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0.0f, 1.0f,
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1.0f, 0.0f,
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-1.0f, 0.0f,
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},
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[WL_OUTPUT_TRANSFORM_FLIPPED] = {
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-1.0f, 0.0f,
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0.0f, -1.0f,
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0.0f, 1.0f,
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},
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[WL_OUTPUT_TRANSFORM_FLIPPED_90] = {
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0.0f, 1.0f,
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-1.0f, 0.0f,
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1.0f, 0.0f,
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},
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[WL_OUTPUT_TRANSFORM_FLIPPED_180] = {
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1.0f, 0.0f,
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0.0f, 1.0f,
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0.0f, -1.0f,
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},
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[WL_OUTPUT_TRANSFORM_FLIPPED_270] = {
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0.0f, -1.0f,
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1.0f, 0.0f,
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-1.0f, 0.0f,
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},
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};
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@ -124,11 +124,11 @@ void wlr_matrix_transform(float mat[static 16],
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const float *t = transforms[transform];
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// Rotation + relection
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// Rotation + reflection
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mat[0] = t[0];
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mat[1] = t[1];
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mat[4] = -t[2];
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mat[5] = -t[3];
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mat[4] = t[2];
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mat[5] = t[3];
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// Identity
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mat[10] = 1.0f;
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@ -144,11 +144,11 @@ void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
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float x = 2.0f / width;
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float y = 2.0f / height;
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// Rotation + relection
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// Rotation + reflection
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mat[0] = x * t[0];
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mat[1] = x * t[1];
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mat[4] = y * t[2];
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mat[5] = y * t[3];
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mat[4] = y * -t[2];
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mat[5] = y * -t[3];
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// Translation
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mat[3] = -copysign(1.0f, mat[0] + mat[1]);
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@ -2,6 +2,7 @@
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#include <stdlib.h>
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#include <math.h>
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#include <stdbool.h>
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#include <wayland-server-protocol.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/util/log.h>
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@ -65,3 +66,49 @@ bool wlr_box_contains_point(struct wlr_box *box, double x, double y) {
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y >= box->y && y <= box->y + box->height;
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}
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}
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void wlr_box_transform(struct wlr_box *box,
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enum wl_output_transform transform, struct wlr_box *dest) {
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if (transform % 2 == 0) {
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dest->width = box->width;
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dest->height = box->height;
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} else {
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dest->width = box->height;
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dest->height = box->width;
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}
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switch (transform) {
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case WL_OUTPUT_TRANSFORM_NORMAL:
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dest->x = box->x;
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dest->y = box->y;
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break;
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case WL_OUTPUT_TRANSFORM_90:
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dest->x = box->y;
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dest->y = box->width - box->x;
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break;
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case WL_OUTPUT_TRANSFORM_180:
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dest->x = box->width - box->x;
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dest->y = box->height - box->y;
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break;
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case WL_OUTPUT_TRANSFORM_270:
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dest->x = box->height - box->y;
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dest->y = box->x;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED:
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dest->x = box->width - box->x;
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dest->y = box->y;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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dest->x = box->y;
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dest->y = box->x;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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dest->x = box->x;
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dest->y = box->height - box->y;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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dest->x = box->height - box->y;
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dest->y = box->width - box->x;
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break;
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}
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}
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@ -626,52 +626,6 @@ void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
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free(cursor);
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}
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void wlr_output_transform_apply_to_box(enum wl_output_transform transform,
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struct wlr_box *box, struct wlr_box *dest) {
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if (transform % 2 == 0) {
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dest->width = box->width;
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dest->height = box->height;
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} else {
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dest->width = box->height;
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dest->height = box->width;
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}
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switch (transform) {
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case WL_OUTPUT_TRANSFORM_NORMAL:
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dest->x = box->x;
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dest->y = box->y;
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break;
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case WL_OUTPUT_TRANSFORM_90:
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dest->x = box->y;
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dest->y = box->width - box->x;
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break;
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case WL_OUTPUT_TRANSFORM_180:
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dest->x = box->width - box->x;
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dest->y = box->height - box->y;
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break;
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case WL_OUTPUT_TRANSFORM_270:
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dest->x = box->height - box->y;
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dest->y = box->x;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED:
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dest->x = box->width - box->x;
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dest->y = box->y;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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dest->x = box->y;
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dest->y = box->x;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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dest->x = box->x;
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dest->y = box->height - box->y;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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dest->x = box->height - box->y;
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dest->y = box->width - box->x;
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break;
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}
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}
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enum wl_output_transform wlr_output_transform_invert(
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enum wl_output_transform transform) {
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if ((transform & WL_OUTPUT_TRANSFORM_90) &&
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