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render/vulkan: constrain blend to output subpass to redrawn region

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This commit only applies to the render pass API.
This commit is contained in:
Manuel Stoeckl 2023-08-05 13:23:58 -04:00 committed by Simon Ser
parent d180f4d9b3
commit e0adaaffb6
2 changed files with 57 additions and 4 deletions
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2
include/render/vulkan.h
View file

@ -10,6 +10,7 @@
#include <wlr/render/drm_format_set.h>
#include <wlr/render/interface.h>
#include <wlr/util/addon.h>
#include "util/rect_union.h"
struct wlr_vk_descriptor_pool;
struct wlr_vk_texture;
@ -334,6 +335,7 @@ struct wlr_vk_render_pass {
struct wlr_vk_renderer *renderer;
struct wlr_vk_render_buffer *render_buffer;
struct wlr_vk_command_buffer *command_buffer;
struct rect_union updated_region;
VkPipeline bound_pipeline;
float projection[9];
bool failed;

59
render/vulkan/pass.c
View file

@ -108,10 +108,16 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
VK_PIPELINE_BIND_POINT_GRAPHICS, renderer->output_pipe_layout,
0, 1, &render_buffer->blend_descriptor_set, 0, NULL);
vkCmdSetScissor(render_cb->vk, 0, 1, &(VkRect2D){
.extent = { width, height },
});
vkCmdDraw(render_cb->vk, 4, 1, 0, 0);
const pixman_region32_t *clip = rect_union_evaluate(&pass->updated_region);
int clip_rects_len;
const pixman_box32_t *clip_rects = pixman_region32_rectangles(
clip, &clip_rects_len);
for (int i = 0; i < clip_rects_len; i++) {
VkRect2D rect;
convert_pixman_box_to_vk_rect(&clip_rects[i], &rect);
vkCmdSetScissor(render_cb->vk, 0, 1, &rect);
vkCmdDraw(render_cb->vk, 4, 1, 0, 0);
}
}
vkCmdEndRenderPass(render_cb->vk);
@ -388,6 +394,7 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
}
wlr_buffer_unlock(render_buffer->wlr_buffer);
rect_union_finish(&pass->updated_region);
free(pass);
return true;
@ -396,6 +403,7 @@ error:
vulkan_reset_command_buffer(stage_cb);
vulkan_reset_command_buffer(render_cb);
wlr_buffer_unlock(render_buffer->wlr_buffer);
rect_union_finish(&pass->updated_region);
free(pass);
if (device_lost) {
@ -405,6 +413,21 @@ error:
return false;
}
static void render_pass_mark_box_updated(struct wlr_vk_render_pass *pass,
const struct wlr_box *box) {
if (!pass->render_buffer->blend_image) {
return;
}
pixman_box32_t pixman_box = {
.x1 = box->x,
.x2 = box->x + box->width,
.y1 = box->y,
.y2 = box->y + box->height,
};
rect_union_add(&pass->updated_region, pixman_box);
}
static void render_pass_add_rect(struct wlr_render_pass *wlr_pass,
const struct wlr_render_rect_options *options) {
struct wlr_vk_render_pass *pass = get_render_pass(wlr_pass);
@ -427,6 +450,20 @@ static void render_pass_add_rect(struct wlr_render_pass *wlr_pass,
int clip_rects_len;
const pixman_box32_t *clip_rects = pixman_region32_rectangles(&clip, &clip_rects_len);
// Record regions possibly updated for use in second subpass
for (int i = 0; i < clip_rects_len; i++) {
struct wlr_box clip_box = {
.x = clip_rects[i].x1,
.y = clip_rects[i].y1,
.width = clip_rects[i].x2 - clip_rects[i].x1,
.height = clip_rects[i].y2 - clip_rects[i].y1,
};
struct wlr_box intersection;
if (!wlr_box_intersection(&intersection, &options->box, &clip_box)) {
continue;
}
render_pass_mark_box_updated(pass, &intersection);
}
struct wlr_box box;
wlr_render_rect_options_get_box(options, pass->render_buffer->wlr_buffer, &box);
@ -590,6 +627,18 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
convert_pixman_box_to_vk_rect(&clip_rects[i], &rect);
vkCmdSetScissor(cb, 0, 1, &rect);
vkCmdDraw(cb, 4, 1, 0, 0);
struct wlr_box clip_box = {
.x = clip_rects[i].x1,
.y = clip_rects[i].y1,
.width = clip_rects[i].x2 - clip_rects[i].x1,
.height = clip_rects[i].y2 - clip_rects[i].y1,
};
struct wlr_box intersection;
if (!wlr_box_intersection(&intersection, &dst_box, &clip_box)) {
continue;
}
render_pass_mark_box_updated(pass, &intersection);
}
texture->last_used_cb = pass->command_buffer;
@ -610,6 +659,8 @@ struct wlr_vk_render_pass *vulkan_begin_render_pass(struct wlr_vk_renderer *rend
wlr_render_pass_init(&pass->base, &render_pass_impl);
pass->renderer = renderer;
rect_union_init(&pass->updated_region);
struct wlr_vk_command_buffer *cb = vulkan_acquire_command_buffer(renderer);
if (cb == NULL) {
free(pass);