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Merge pull request #83 from acrisci/feature/buffer-damage2

Browse Source 
Buffer damage and scaling (attempt 2)
master
Drew DeVault 7 years ago committed by GitHub
parent d2e796edb7 d5f98dbf61
commit 09faf4ff64
6 changed files with 211 additions and 19 deletions
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4
examples/compositor/main.c
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@ -45,8 +45,8 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct wlr_surface *surface = wl_resource_get_user_data(_res);
wlr_surface_flush_damage(surface);
if (surface->texture->valid) {
wlr_texture_get_matrix(surface->texture, &matrix,
&wlr_output->transform_matrix, 200, 200);
wlr_surface_get_matrix(surface, &matrix,
&wlr_output->transform_matrix, 200, 200);
wlr_render_with_matrix(sample->renderer, surface->texture, &matrix);
struct wlr_frame_callback *cb, *cnext;

4
include/wlr/render/interface.h
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@ -46,6 +46,8 @@ struct wlr_texture_impl {
struct wl_resource *drm_buf);
void (*get_matrix)(struct wlr_texture *state,
float (*matrix)[16], const float (*projection)[16], int x, int y);
void (*get_buffer_size)(struct wlr_texture *texture,
struct wl_resource *resource, int *width, int *height);
void (*bind)(struct wlr_texture *texture);
void (*destroy)(struct wlr_texture *texture);
};
@ -53,5 +55,7 @@ struct wlr_texture_impl {
void wlr_texture_init(struct wlr_texture *texture,
struct wlr_texture_impl *impl);
void wlr_texture_bind(struct wlr_texture *texture);
void wlr_texture_get_buffer_size(struct wlr_texture *texture,
struct wl_resource *resource, int *width, int *height);
#endif

6
include/wlr/types/wlr_surface.h
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@ -23,8 +23,10 @@ struct wlr_surface_state {
int32_t sx, sy;
pixman_region32_t surface_damage, buffer_damage;
pixman_region32_t opaque, input;
uint32_t transform;
enum wl_output_transform transform;
int32_t scale;
int width, height;
int buffer_width, buffer_height;
};
struct wlr_surface {
@ -53,5 +55,7 @@ struct wlr_renderer;
struct wlr_surface *wlr_surface_create(struct wl_resource *res,
struct wlr_renderer *renderer);
void wlr_surface_flush_damage(struct wlr_surface *surface);
void wlr_surface_get_matrix(struct wlr_surface *surface, float (*matrix)[16],
const float (*projection)[16], int x, int y);
#endif

25
render/gles2/texture.c
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@ -218,6 +218,30 @@ static void gles2_texture_get_matrix(struct wlr_texture *_texture,
wlr_matrix_mul(projection, matrix, matrix);
}
static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
wl_resource *resource, int *width, int *height) {
struct wl_shm_buffer *buffer = wl_shm_buffer_get(resource);
if (!buffer) {
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)texture;
if (!glEGLImageTargetTexture2DOES) {
return;
}
if (!wlr_egl_query_buffer(tex->egl, resource, EGL_WIDTH,
(EGLint*)&width)) {
wlr_log(L_ERROR, "could not get size of the buffer "
"(no buffer found)");
return;
};
wlr_egl_query_buffer(tex->egl, resource, EGL_HEIGHT,
(EGLint*)&height);
return;
}
*width = wl_shm_buffer_get_width(buffer);
*height = wl_shm_buffer_get_height(buffer);
}
static void gles2_texture_bind(struct wlr_texture *_texture) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
@ -247,6 +271,7 @@ static struct wlr_texture_impl wlr_texture_impl = {
.update_shm = gles2_texture_update_shm,
.upload_drm = gles2_texture_upload_drm,
.get_matrix = gles2_texture_get_matrix,
.get_buffer_size = gles2_texture_get_buffer_size,
.bind = gles2_texture_bind,
.destroy = gles2_texture_destroy,
};

5
render/wlr_texture.c
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@ -52,3 +52,8 @@ void wlr_texture_get_matrix(struct wlr_texture *texture,
float (*matrix)[16], const float (*projection)[16], int x, int y) {
texture->impl->get_matrix(texture, matrix, projection, x, y);
}
void wlr_texture_get_buffer_size(struct wlr_texture *texture, struct wl_resource
*resource, int *width, int *height) {
texture->impl->get_buffer_size(texture, resource, width, height);
}

186
types/wlr_surface.c
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@ -5,6 +5,7 @@
#include <wlr/egl.h>
#include <wlr/render/interface.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/render/matrix.h>
static void surface_destroy(struct wl_client *client, struct wl_resource *resource) {
wl_resource_destroy(resource);
@ -27,8 +28,8 @@ static void surface_damage(struct wl_client *client,
}
surface->pending.invalid |= WLR_SURFACE_INVALID_SURFACE_DAMAGE;
pixman_region32_union_rect(&surface->pending.surface_damage,
&surface->pending.surface_damage,
x, y, width, height);
&surface->pending.surface_damage,
x, y, width, height);
}
static void destroy_frame_callback(struct wl_resource *resource) {
@ -57,7 +58,7 @@ static void surface_frame(struct wl_client *client,
}
wl_resource_set_implementation(cb->resource,
NULL, cb, destroy_frame_callback);
NULL, cb, destroy_frame_callback);
wl_list_insert(surface->frame_callback_list.prev, &cb->link);
}
@ -86,27 +87,151 @@ static void surface_set_input_region(struct wl_client *client,
} else {
pixman_region32_fini(&surface->pending.input);
pixman_region32_init_rect(&surface->pending.input,
INT32_MIN, INT32_MIN, UINT32_MAX, UINT32_MAX);
INT32_MIN, INT32_MIN, UINT32_MAX, UINT32_MAX);
}
}
static void wlr_surface_update_size(struct wlr_surface *surface) {
int scale = surface->current.scale;
enum wl_output_transform transform = surface->current.transform;
wlr_texture_get_buffer_size(surface->texture, surface->current.buffer,
&surface->current.buffer_width, &surface->current.buffer_height);
int _width = surface->current.buffer_width / scale;
int _height = surface->current.buffer_height / scale;
if (transform == WL_OUTPUT_TRANSFORM_90 ||
transform == WL_OUTPUT_TRANSFORM_270 ||
transform == WL_OUTPUT_TRANSFORM_FLIPPED_90 ||
transform == WL_OUTPUT_TRANSFORM_FLIPPED_270) {
int tmp = _width;
_width = _height;
_height = tmp;
}
surface->current.width = _width;
surface->current.height = _height;
}
static void wlr_surface_to_buffer_region(struct wlr_surface *surface,
pixman_region32_t *surface_region, pixman_region32_t *buffer_region,
int width, int height) {
pixman_box32_t *src_rects, *dest_rects;
int nrects, i;
int scale = surface->current.scale;
enum wl_output_transform transform = surface->current.transform;
src_rects = pixman_region32_rectangles(surface_region, &nrects);
dest_rects = malloc(nrects * sizeof(*dest_rects));
if (!dest_rects) {
return;
}
for (i = 0; i < nrects; i++) {
switch (transform) {
default:
case WL_OUTPUT_TRANSFORM_NORMAL:
dest_rects[i].x1 = src_rects[i].x1;
dest_rects[i].y1 = src_rects[i].y1;
dest_rects[i].x2 = src_rects[i].x2;
dest_rects[i].y2 = src_rects[i].y2;
break;
case WL_OUTPUT_TRANSFORM_90:
dest_rects[i].x1 = height - src_rects[i].y2;
dest_rects[i].y1 = src_rects[i].x1;
dest_rects[i].x2 = height - src_rects[i].y1;
dest_rects[i].y2 = src_rects[i].x2;
break;
case WL_OUTPUT_TRANSFORM_180:
dest_rects[i].x1 = width - src_rects[i].x2;
dest_rects[i].y1 = height - src_rects[i].y2;
dest_rects[i].x2 = width - src_rects[i].x1;
dest_rects[i].y2 = height - src_rects[i].y1;
break;
case WL_OUTPUT_TRANSFORM_270:
dest_rects[i].x1 = src_rects[i].y1;
dest_rects[i].y1 = width - src_rects[i].x2;
dest_rects[i].x2 = src_rects[i].y2;
dest_rects[i].y2 = width - src_rects[i].x1;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED:
dest_rects[i].x1 = width - src_rects[i].x2;
dest_rects[i].y1 = src_rects[i].y1;
dest_rects[i].x2 = width - src_rects[i].x1;
dest_rects[i].y2 = src_rects[i].y2;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
dest_rects[i].x1 = height - src_rects[i].y2;
dest_rects[i].y1 = width - src_rects[i].x2;
dest_rects[i].x2 = height - src_rects[i].y1;
dest_rects[i].y2 = width - src_rects[i].x1;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
dest_rects[i].x1 = src_rects[i].x1;
dest_rects[i].y1 = height - src_rects[i].y2;
dest_rects[i].x2 = src_rects[i].x2;
dest_rects[i].y2 = height - src_rects[i].y1;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
dest_rects[i].x1 = src_rects[i].y1;
dest_rects[i].y1 = src_rects[i].x1;
dest_rects[i].x2 = src_rects[i].y2;
dest_rects[i].y2 = src_rects[i].x2;
break;
}
}
if (scale != 1) {
for (i = 0; i < nrects; i++) {
dest_rects[i].x1 *= scale;
dest_rects[i].x2 *= scale;
dest_rects[i].y1 *= scale;
dest_rects[i].y2 *= scale;
}
}
pixman_region32_fini(buffer_region);
pixman_region32_init_rects(buffer_region, dest_rects, nrects);
free(dest_rects);
}
static void surface_commit(struct wl_client *client,
struct wl_resource *resource) {
struct wlr_surface *surface = wl_resource_get_user_data(resource);
surface->current.scale = surface->pending.scale;
surface->current.transform = surface->pending.transform;
if ((surface->pending.invalid & WLR_SURFACE_INVALID_BUFFER)) {
surface->current.buffer = surface->pending.buffer;
}
if ((surface->pending.invalid & WLR_SURFACE_INVALID_SURFACE_DAMAGE)) {
// TODO: Sort out buffer damage too
wlr_surface_update_size(surface);
pixman_region32_union(&surface->current.surface_damage,
&surface->current.surface_damage,
&surface->pending.surface_damage);
// TODO: Surface sizing is complicated
//pixman_region32_intersect_rect(&surface->current.surface_damage,
// &surface->current.surface_damage,
// 0, 0, surface->width, surface->height);
&surface->current.surface_damage,
&surface->pending.surface_damage);
pixman_region32_intersect_rect(&surface->current.surface_damage,
&surface->current.surface_damage, 0, 0, surface->current.width,
surface->current.height);
pixman_region32_union(&surface->current.buffer_damage,
&surface->current.buffer_damage,
&surface->pending.buffer_damage);
pixman_region32_t buffer_damage;
pixman_region32_init(&buffer_damage);
wlr_surface_to_buffer_region(surface, &surface->current.surface_damage,
&buffer_damage, surface->current.width, surface->current.height);
pixman_region32_union(&surface->current.buffer_damage,
&surface->current.buffer_damage, &buffer_damage);
pixman_region32_intersect_rect(&surface->current.buffer_damage,
&surface->current.buffer_damage, 0, 0,
surface->current.buffer_width, surface->current.buffer_height);
pixman_region32_clear(&surface->pending.surface_damage);
pixman_region32_clear(&surface->pending.buffer_damage);
}
// TODO: Commit other changes
@ -132,7 +257,7 @@ void wlr_surface_flush_damage(struct wlr_surface *surface) {
return;
}
}
pixman_region32_t damage = surface->current.surface_damage;
pixman_region32_t damage = surface->current.buffer_damage;
if (!pixman_region32_not_empty(&damage)) {
goto release;
}
@ -151,26 +276,38 @@ void wlr_surface_flush_damage(struct wlr_surface *surface) {
}
pixman_region32_fini(&surface->current.surface_damage);
pixman_region32_init(&surface->current.surface_damage);
pixman_region32_fini(&surface->current.buffer_damage);
pixman_region32_init(&surface->current.buffer_damage);
release:
wl_resource_queue_event(surface->current.buffer, WL_BUFFER_RELEASE);
}
static void surface_set_buffer_transform(struct wl_client *client,
struct wl_resource *resource, int transform) {
wlr_log(L_DEBUG, "TODO: surface surface buffer transform");
struct wlr_surface *surface = wl_resource_get_user_data(resource);
surface->pending.transform = transform;
}
static void surface_set_buffer_scale(struct wl_client *client,
struct wl_resource *resource,
int32_t scale) {
wlr_log(L_DEBUG, "TODO: surface set buffer scale");
struct wlr_surface *surface = wl_resource_get_user_data(resource);
surface->pending.scale = scale;
}
static void surface_damage_buffer(struct wl_client *client,
struct wl_resource *resource,
int32_t x, int32_t y, int32_t width,
int32_t height) {
wlr_log(L_DEBUG, "TODO: surface damage buffer");
struct wlr_surface *surface = wl_resource_get_user_data(resource);
if (width < 0 || height < 0) {
return;
}
surface->pending.invalid |= WLR_SURFACE_INVALID_SURFACE_DAMAGE;
pixman_region32_union_rect(&surface->pending.buffer_damage,
&surface->pending.buffer_damage,
x, y, width, height);
}
const struct wl_surface_interface surface_interface = {
@ -204,9 +341,26 @@ struct wlr_surface *wlr_surface_create(struct wl_resource *res,
surface->renderer = renderer;
surface->texture = wlr_render_texture_init(renderer);
surface->resource = res;
surface->current.scale = 1;
surface->pending.scale = 1;
surface->current.transform = WL_OUTPUT_TRANSFORM_NORMAL;
surface->pending.transform = WL_OUTPUT_TRANSFORM_NORMAL;
wl_signal_init(&surface->signals.commit);
wl_list_init(&surface->frame_callback_list);
wl_resource_set_implementation(res, &surface_interface,
surface, destroy_surface);
surface, destroy_surface);
return surface;
}
void wlr_surface_get_matrix(struct wlr_surface *surface,
float (*matrix)[16], const float (*projection)[16], int x, int y) {
int width = surface->texture->width / surface->current.scale;
int height = surface->texture->height / surface->current.scale;
float world[16];
wlr_matrix_identity(matrix);
wlr_matrix_translate(&world, x, y, 0);
wlr_matrix_mul(matrix, &world, matrix);
wlr_matrix_scale(&world, width, height, 1);
wlr_matrix_mul(matrix, &world, matrix);
wlr_matrix_mul(projection, matrix, matrix);
}

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