implement surface sizing
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@ -45,8 +45,8 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) {
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struct wlr_surface *surface = wl_resource_get_user_data(_res);
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wlr_surface_flush_damage(surface);
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if (surface->texture->valid) {
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wlr_texture_get_matrix(surface->texture, &matrix,
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&wlr_output->transform_matrix, 200, 200);
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wlr_surface_get_matrix(surface, &matrix,
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&wlr_output->transform_matrix, 200, 200);
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wlr_render_with_matrix(sample->renderer, surface->texture, &matrix);
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struct wlr_frame_callback *cb, *cnext;
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@ -53,5 +53,7 @@ struct wlr_renderer;
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struct wlr_surface *wlr_surface_create(struct wl_resource *res,
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struct wlr_renderer *renderer);
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void wlr_surface_flush_damage(struct wlr_surface *surface);
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void wlr_surface_get_matrix(struct wlr_surface *surface, float (*matrix)[16],
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const float (*projection)[16], int x, int y);
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#endif
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@ -5,6 +5,7 @@
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#include <wlr/egl.h>
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#include <wlr/render/interface.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/render/matrix.h>
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static void surface_destroy(struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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@ -268,3 +269,16 @@ struct wlr_surface *wlr_surface_create(struct wl_resource *res,
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surface, destroy_surface);
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return surface;
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}
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void wlr_surface_get_matrix(struct wlr_surface *surface,
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float (*matrix)[16], const float (*projection)[16], int x, int y) {
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int width = surface->texture->width / surface->current.scale;
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int height = surface->texture->height / surface->current.scale;
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float world[16];
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wlr_matrix_identity(matrix);
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wlr_matrix_translate(&world, x, y, 0);
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wlr_matrix_mul(matrix, &world, matrix);
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wlr_matrix_scale(&world, width, height, 1);
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wlr_matrix_mul(matrix, &world, matrix);
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wlr_matrix_mul(projection, matrix, matrix);
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}
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