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scene: port to wlr_render_pass

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This commit is contained in:
Simon Ser 2022-12-07 12:35:42 +01:00
parent 587852056c
commit d7fcc1e96f
1 changed files with 70 additions and 92 deletions
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162
types/scene/wlr_scene.c
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@ -3,6 +3,7 @@
#include <stdlib.h>
#include <string.h>
#include <wlr/backend.h>
#include <wlr/render/swapchain.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_damage_ring.h>
@ -281,6 +282,22 @@ static void scale_output_damage(pixman_region32_t *damage, float scale) {
}
}
static void transform_output_damage(pixman_region32_t *damage, struct wlr_output *output) {
int ow, oh;
wlr_output_transformed_resolution(output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_region_transform(damage, damage, transform, ow, oh);
}
static void transform_output_box(struct wlr_box *box, struct wlr_output *output) {
int ow, oh;
wlr_output_transformed_resolution(output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_box_transform(box, box, transform, ow, oh);
}
static void scene_damage_outputs(struct wlr_scene *scene, pixman_region32_t *damage) {
if (!pixman_region32_not_empty(damage)) {
return;
@ -1043,65 +1060,9 @@ struct wlr_scene_node *wlr_scene_node_at(struct wlr_scene_node *node,
return NULL;
}
static void scissor_output(struct wlr_output *output, pixman_box32_t *rect) {
struct wlr_renderer *renderer = output->renderer;
assert(renderer);
struct wlr_box box = {
.x = rect->x1,
.y = rect->y1,
.width = rect->x2 - rect->x1,
.height = rect->y2 - rect->y1,
};
int ow, oh;
wlr_output_transformed_resolution(output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_box_transform(&box, &box, transform, ow, oh);
wlr_renderer_scissor(renderer, &box);
}
static void render_rect(struct wlr_output *output,
pixman_region32_t *damage, const float color[static 4],
const struct wlr_box *box, const float matrix[static 9]) {
struct wlr_renderer *renderer = output->renderer;
assert(renderer);
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output, &rects[i]);
wlr_render_rect(renderer, box, color, matrix);
}
}
static void render_texture(struct wlr_output *output,
pixman_region32_t *damage, struct wlr_texture *texture,
const struct wlr_fbox *src_box, const struct wlr_box *dst_box,
const float matrix[static 9]) {
struct wlr_renderer *renderer = output->renderer;
assert(renderer);
struct wlr_fbox default_src_box = {0};
if (wlr_fbox_empty(src_box)) {
default_src_box.width = texture->width;
default_src_box.height = texture->height;
src_box = &default_src_box;
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output, &rects[i]);
wlr_render_subtexture_with_matrix(renderer, texture, src_box, matrix, 1.0);
}
}
static void scene_node_render(struct wlr_scene_node *node,
struct wlr_scene_output *scene_output, pixman_region32_t *damage) {
struct wlr_scene_output *scene_output, struct wlr_render_pass *render_pass,
pixman_region32_t *damage) {
int x, y;
wlr_scene_node_coords(node, &x, &y);
x -= scene_output->x;
@ -1127,8 +1088,10 @@ static void scene_node_render(struct wlr_scene_node *node,
scene_node_get_size(node, &dst_box.width, &dst_box.height);
scale_box(&dst_box, output->scale);
transform_output_box(&dst_box, output);
transform_output_damage(&render_region, output);
struct wlr_texture *texture;
float matrix[9];
enum wl_output_transform transform;
switch (node->type) {
case WLR_SCENE_NODE_TREE:
@ -1137,8 +1100,16 @@ static void scene_node_render(struct wlr_scene_node *node,
case WLR_SCENE_NODE_RECT:;
struct wlr_scene_rect *scene_rect = scene_rect_from_node(node);
render_rect(output, &render_region, scene_rect->color, &dst_box,
output->transform_matrix);
wlr_render_pass_add_rect(render_pass, &(struct wlr_render_rect_options){
.box = dst_box,
.color = {
.r = scene_rect->color[0],
.g = scene_rect->color[1],
.b = scene_rect->color[2],
.a = scene_rect->color[3],
},
.clip = &render_region,
});
break;
case WLR_SCENE_NODE_BUFFER:;
struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);
@ -1151,11 +1122,15 @@ static void scene_node_render(struct wlr_scene_node *node,
}
transform = wlr_output_transform_invert(scene_buffer->transform);
wlr_matrix_project_box(matrix, &dst_box, transform, 0.0,
output->transform_matrix);
transform = wlr_output_transform_compose(transform, output->transform);
render_texture(output, &render_region, texture, &scene_buffer->src_box,
&dst_box, matrix);
wlr_render_pass_add_texture(render_pass, &(struct wlr_render_texture_options) {
.texture = texture,
.src_box = scene_buffer->src_box,
.dst_box = dst_box,
.transform = transform,
.clip = &render_region,
});
wl_signal_emit_mutable(&scene_buffer->events.output_present, scene_output);
break;
@ -1670,8 +1645,13 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
pixman_region32_fini(&acc_damage);
}
if (!wlr_output_configure_primary_swapchain(output, NULL, &output->swapchain)) {
return false;
}
int buffer_age;
if (!wlr_output_attach_render(output, &buffer_age)) {
struct wlr_buffer *buffer = wlr_swapchain_acquire(output->swapchain, &buffer_age);
if (buffer == NULL) {
return false;
}
@ -1680,9 +1660,10 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
wlr_damage_ring_get_buffer_damage(&scene_output->damage_ring,
buffer_age, &damage);
if (!wlr_renderer_begin(renderer, output->width, output->height)) {
struct wlr_render_pass *render_pass = wlr_renderer_begin_buffer_pass(renderer, buffer);
if (render_pass == NULL) {
pixman_region32_fini(&damage);
wlr_output_rollback(output);
wlr_buffer_unlock(buffer);
return false;
}
@ -1726,17 +1707,17 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
}
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&background, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output, &rects[i]);
wlr_renderer_clear(renderer, (float[4]){ 0.0, 0.0, 0.0, 1.0 });
}
transform_output_damage(&background, output);
wlr_render_pass_add_rect(render_pass, &(struct wlr_render_rect_options){
.box = { .width = output->width, .height = output->height },
.color = { .r = 0, .g = 0, .b = 0, .a = 1 },
.clip = &background,
});
pixman_region32_fini(&background);
for (int i = list_len - 1; i >= 0; i--) {
struct wlr_scene_node *node = list_data[i];
scene_node_render(node, scene_output, &damage);
scene_node_render(node, scene_output, render_pass, &damage);
if (node->type == WLR_SCENE_NODE_BUFFER) {
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node);
@ -1752,8 +1733,6 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
}
}
wlr_renderer_scissor(renderer, NULL);
if (debug_damage == WLR_SCENE_DEBUG_DAMAGE_HIGHLIGHT) {
struct highlight_region *damage;
wl_list_for_each(damage, &scene_output->damage_highlight_regions, link) {
@ -1762,27 +1741,26 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
int64_t time_diff_ms = timespec_to_msec(&time_diff);
float alpha = 1.0 - (double)time_diff_ms / HIGHLIGHT_DAMAGE_FADEOUT_TIME;
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage->region, &nrects);
for (int i = 0; i < nrects; ++i) {
struct wlr_box box = {
.x = rects[i].x1,
.y = rects[i].y1,
.width = rects[i].x2 - rects[i].x1,
.height = rects[i].y2 - rects[i].y1,
};
float color[4] = { alpha * .5, 0.0, 0.0, alpha * .5 };
wlr_render_rect(renderer, &box, color, output->transform_matrix);
}
wlr_render_pass_add_rect(render_pass, &(struct wlr_render_rect_options){
.box = { .width = output->width, .height = output->height },
.color = { .r = alpha * 0.5, .g = 0, .b = 0, .a = alpha * 0.5 },
.clip = &damage->region,
});
}
}
wlr_output_render_software_cursors(output, &damage);
wlr_output_add_software_cursors_to_render_pass(output, render_pass, &damage);
wlr_renderer_end(renderer);
pixman_region32_fini(&damage);
if (!wlr_render_pass_submit(render_pass)) {
wlr_buffer_unlock(buffer);
return false;
}
wlr_output_attach_buffer(output, buffer);
wlr_buffer_unlock(buffer);
pixman_region32_t frame_damage;
get_frame_damage(scene_output, &frame_damage);
wlr_output_set_damage(output, &frame_damage);