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-rw-r--r--backend/drm/drm.c5
-rw-r--r--backend/wayland/wl_seat.c3
-rw-r--r--include/wlr/interfaces/wlr_output.h4
-rw-r--r--include/wlr/render/matrix.h2
-rw-r--r--include/wlr/types/wlr_box.h4
-rw-r--r--include/wlr/types/wlr_output.h2
-rw-r--r--render/matrix.c39
-rw-r--r--rootston/desktop.c6
-rw-r--r--rootston/output.c31
-rw-r--r--types/wlr_box.c47
-rw-r--r--types/wlr_output.c46
11 files changed, 114 insertions, 75 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index ba203791..96b7d93d 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -565,8 +565,7 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
struct wlr_box transformed_hotspot;
- wlr_output_transform_apply_to_box(transform, &hotspot,
- &transformed_hotspot);
+ wlr_box_transform(&hotspot, transform, &transformed_hotspot);
plane->cursor_hotspot_x = transformed_hotspot.x;
plane->cursor_hotspot_y = transformed_hotspot.y;
@@ -628,7 +627,7 @@ static bool wlr_drm_connector_move_cursor(struct wlr_output *output,
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
struct wlr_box transformed_box;
- wlr_output_transform_apply_to_box(transform, &box, &transformed_box);
+ wlr_box_transform(&box, transform, &transformed_box);
if (plane != NULL) {
transformed_box.x -= plane->cursor_hotspot_x;
diff --git a/backend/wayland/wl_seat.c b/backend/wayland/wl_seat.c
index 7bfbf302..9fcc48dd 100644
--- a/backend/wayland/wl_seat.c
+++ b/backend/wayland/wl_seat.c
@@ -60,7 +60,8 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
box.x = wl_fixed_to_int(surface_x);
box.y = wl_fixed_to_int(surface_y);
struct wlr_box transformed;
- wlr_output_transform_apply_to_box(wlr_output->transform, &box, &transformed);
+
+ wlr_box_transform(&box, wlr_output->transform, &transformed);
box.x /= wlr_output->scale;
box.y /= wlr_output->scale;
diff --git a/include/wlr/interfaces/wlr_output.h b/include/wlr/interfaces/wlr_output.h
index dc2a867b..1cfe7568 100644
--- a/include/wlr/interfaces/wlr_output.h
+++ b/include/wlr/interfaces/wlr_output.h
@@ -34,8 +34,4 @@ struct wl_global *wlr_output_create_global(struct wlr_output *wlr_output,
struct wl_display *display);
void wlr_output_destroy_global(struct wlr_output *wlr_output);
-void wlr_output_transform_apply_to_box(enum wl_output_transform transform,
- struct wlr_box *box, struct wlr_box *dest);
-enum wl_output_transform wlr_output_transform_invert(enum wl_output_transform);
-
#endif
diff --git a/include/wlr/render/matrix.h b/include/wlr/render/matrix.h
index 177af4b3..0b35aad3 100644
--- a/include/wlr/render/matrix.h
+++ b/include/wlr/render/matrix.h
@@ -10,6 +10,8 @@ void wlr_matrix_rotate(float (*output)[16], float radians);
void wlr_matrix_mul(const float (*x)[16], const float (*y)[16], float (*product)[16]);
enum wl_output_transform;
+void wlr_matrix_transform(float mat[static 16],
+ enum wl_output_transform transform);
void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
enum wl_output_transform transform);
diff --git a/include/wlr/types/wlr_box.h b/include/wlr/types/wlr_box.h
index 5b8b00c9..5290ada5 100644
--- a/include/wlr/types/wlr_box.h
+++ b/include/wlr/types/wlr_box.h
@@ -18,4 +18,8 @@ bool wlr_box_contains_point(struct wlr_box *box, double x, double y);
bool wlr_box_empty(struct wlr_box *box);
+enum wl_output_transform;
+void wlr_box_transform(struct wlr_box *box, enum wl_output_transform transform,
+ struct wlr_box *dest);
+
#endif
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
index cbedf240..39aad718 100644
--- a/include/wlr/types/wlr_output.h
+++ b/include/wlr/types/wlr_output.h
@@ -117,4 +117,6 @@ bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
double x, double y);
void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor);
+enum wl_output_transform wlr_output_transform_invert(enum wl_output_transform);
+
#endif
diff --git a/render/matrix.c b/render/matrix.c
index e49d365e..54dba4cc 100644
--- a/render/matrix.c
+++ b/render/matrix.c
@@ -86,38 +86,55 @@ void wlr_matrix_mul(const float (*x)[16], const float (*y)[16], float (*product)
static const float transforms[][4] = {
[WL_OUTPUT_TRANSFORM_NORMAL] = {
1.0f, 0.0f,
- 0.0f, -1.0f,
+ 0.0f, 1.0f,
},
[WL_OUTPUT_TRANSFORM_90] = {
0.0f, -1.0f,
- -1.0f, 0.0f,
+ 1.0f, 0.0f,
},
[WL_OUTPUT_TRANSFORM_180] = {
-1.0f, 0.0f,
- 0.0f, 1.0f,
+ 0.0f, -1.0f,
},
[WL_OUTPUT_TRANSFORM_270] = {
0.0f, 1.0f,
- 1.0f, 0.0f,
+ -1.0f, 0.0f,
},
[WL_OUTPUT_TRANSFORM_FLIPPED] = {
-1.0f, 0.0f,
- 0.0f, -1.0f,
+ 0.0f, 1.0f,
},
[WL_OUTPUT_TRANSFORM_FLIPPED_90] = {
- 0.0f, 1.0f,
+ 0.0f, -1.0f,
-1.0f, 0.0f,
},
[WL_OUTPUT_TRANSFORM_FLIPPED_180] = {
1.0f, 0.0f,
- 0.0f, 1.0f,
+ 0.0f, -1.0f,
},
[WL_OUTPUT_TRANSFORM_FLIPPED_270] = {
- 0.0f, -1.0f,
+ 0.0f, 1.0f,
1.0f, 0.0f,
},
};
+void wlr_matrix_transform(float mat[static 16],
+ enum wl_output_transform transform) {
+ memset(mat, 0, sizeof(*mat) * 16);
+
+ const float *t = transforms[transform];
+
+ // Rotation + reflection
+ mat[0] = t[0];
+ mat[1] = t[1];
+ mat[4] = t[2];
+ mat[5] = t[3];
+
+ // Identity
+ mat[10] = 1.0f;
+ mat[15] = 1.0f;
+}
+
// Equivilent to glOrtho(0, width, 0, height, 1, -1) with the transform applied
void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
enum wl_output_transform transform) {
@@ -127,11 +144,11 @@ void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
float x = 2.0f / width;
float y = 2.0f / height;
- // Rotation + relection
+ // Rotation + reflection
mat[0] = x * t[0];
mat[1] = x * t[1];
- mat[4] = y * t[2];
- mat[5] = y * t[3];
+ mat[4] = y * -t[2];
+ mat[5] = y * -t[3];
// Translation
mat[3] = -copysign(1.0f, mat[0] + mat[1]);
diff --git a/rootston/desktop.c b/rootston/desktop.c
index ef459e69..c9fc0dc6 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -294,10 +294,8 @@ static bool view_at(struct roots_view *view, double lx, double ly,
struct wlr_surface_state *state = view->wlr_surface->current;
struct wlr_box box = {
- .x = 0,
- .y = 0,
- .width = state->buffer_width / state->scale,
- .height = state->buffer_height / state->scale,
+ .x = 0, .y = 0,
+ .width = state->width, .height = state->height,
};
if (view->rotation != 0.0) {
// Coordinates relative to the center of the view
diff --git a/rootston/output.c b/rootston/output.c
index 560e5eeb..e510be71 100644
--- a/rootston/output.c
+++ b/rootston/output.c
@@ -48,24 +48,43 @@ static void render_surface(struct wlr_surface *surface,
lx, ly, lx + render_width, ly + render_height)) {
float matrix[16];
- float translate_origin[16];
- wlr_matrix_translate(&translate_origin,
+ float translate_center[16];
+ wlr_matrix_translate(&translate_center,
(int)ox + render_width / 2, (int)oy + render_height / 2, 0);
float rotate[16];
wlr_matrix_rotate(&rotate, rotation);
- float translate_center[16];
- wlr_matrix_translate(&translate_center, -render_width / 2,
+ float translate_origin[16];
+ wlr_matrix_translate(&translate_origin, -render_width / 2,
-render_height / 2, 0);
float scale[16];
wlr_matrix_scale(&scale, render_width, render_height, 1);
float transform[16];
- wlr_matrix_mul(&translate_origin, &rotate, &transform);
- wlr_matrix_mul(&transform, &translate_center, &transform);
+ wlr_matrix_mul(&translate_center, &rotate, &transform);
+ wlr_matrix_mul(&transform, &translate_origin, &transform);
wlr_matrix_mul(&transform, &scale, &transform);
+
+ if (surface->current->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
+ float surface_translate_center[16];
+ wlr_matrix_translate(&surface_translate_center, 0.5, 0.5, 0);
+
+ float surface_transform[16];
+ wlr_matrix_transform(surface_transform,
+ wlr_output_transform_invert(surface->current->transform));
+
+ float surface_translate_origin[16];
+ wlr_matrix_translate(&surface_translate_origin, -0.5, -0.5, 0);
+
+ wlr_matrix_mul(&transform, &surface_translate_center,
+ &transform);
+ wlr_matrix_mul(&transform, &surface_transform, &transform);
+ wlr_matrix_mul(&transform, &surface_translate_origin,
+ &transform);
+ }
+
wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);
wlr_render_with_matrix(desktop->server->renderer, surface->texture,
diff --git a/types/wlr_box.c b/types/wlr_box.c
index 7e981833..5e910b2e 100644
--- a/types/wlr_box.c
+++ b/types/wlr_box.c
@@ -2,6 +2,7 @@
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>
+#include <wayland-server-protocol.h>
#include <wlr/types/wlr_box.h>
#include <wlr/util/log.h>
@@ -65,3 +66,49 @@ bool wlr_box_contains_point(struct wlr_box *box, double x, double y) {
y >= box->y && y <= box->y + box->height;
}
}
+
+void wlr_box_transform(struct wlr_box *box,
+ enum wl_output_transform transform, struct wlr_box *dest) {
+ if (transform % 2 == 0) {
+ dest->width = box->width;
+ dest->height = box->height;
+ } else {
+ dest->width = box->height;
+ dest->height = box->width;
+ }
+
+ switch (transform) {
+ case WL_OUTPUT_TRANSFORM_NORMAL:
+ dest->x = box->x;
+ dest->y = box->y;
+ break;
+ case WL_OUTPUT_TRANSFORM_90:
+ dest->x = box->y;
+ dest->y = box->width - box->x;
+ break;
+ case WL_OUTPUT_TRANSFORM_180:
+ dest->x = box->width - box->x;
+ dest->y = box->height - box->y;
+ break;
+ case WL_OUTPUT_TRANSFORM_270:
+ dest->x = box->height - box->y;
+ dest->y = box->x;
+ break;
+ case WL_OUTPUT_TRANSFORM_FLIPPED:
+ dest->x = box->width - box->x;
+ dest->y = box->y;
+ break;
+ case WL_OUTPUT_TRANSFORM_FLIPPED_90:
+ dest->x = box->height - box->y;
+ dest->y = box->width - box->x;
+ break;
+ case WL_OUTPUT_TRANSFORM_FLIPPED_180:
+ dest->x = box->x;
+ dest->y = box->height - box->y;
+ break;
+ case WL_OUTPUT_TRANSFORM_FLIPPED_270:
+ dest->x = box->y;
+ dest->y = box->x;
+ break;
+ }
+}
diff --git a/types/wlr_output.c b/types/wlr_output.c
index d87745a7..450d513a 100644
--- a/types/wlr_output.c
+++ b/types/wlr_output.c
@@ -713,52 +713,6 @@ void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
free(cursor);
}
-void wlr_output_transform_apply_to_box(enum wl_output_transform transform,
- struct wlr_box *box, struct wlr_box *dest) {
- if (transform % 2 == 0) {
- dest->width = box->width;
- dest->height = box->height;
- } else {
- dest->width = box->height;
- dest->height = box->width;
- }
-
- switch (transform) {
- case WL_OUTPUT_TRANSFORM_NORMAL:
- dest->x = box->x;
- dest->y = box->y;
- break;
- case WL_OUTPUT_TRANSFORM_90:
- dest->x = box->y;
- dest->y = box->width - box->x;
- break;
- case WL_OUTPUT_TRANSFORM_180:
- dest->x = box->width - box->x;
- dest->y = box->height - box->y;
- break;
- case WL_OUTPUT_TRANSFORM_270:
- dest->x = box->height - box->y;
- dest->y = box->x;
- break;
- case WL_OUTPUT_TRANSFORM_FLIPPED:
- dest->x = box->width - box->x;
- dest->y = box->y;
- break;
- case WL_OUTPUT_TRANSFORM_FLIPPED_90:
- dest->x = box->y;
- dest->y = box->x;
- break;
- case WL_OUTPUT_TRANSFORM_FLIPPED_180:
- dest->x = box->x;
- dest->y = box->height - box->y;
- break;
- case WL_OUTPUT_TRANSFORM_FLIPPED_270:
- dest->x = box->height - box->y;
- dest->y = box->width - box->x;
- break;
- }
-}
-
enum wl_output_transform wlr_output_transform_invert(
enum wl_output_transform transform) {
if ((transform & WL_OUTPUT_TRANSFORM_90) &&
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 18:09:59 +0000