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render/vulkan: replace wlr_vk_render_pass.srgb_pathway with two_pass

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The important bit here is whether this is using a single or two
sub-passes. The flag isn't used for anything else.

Preparation for an upcoming one-subpass codepath.
This commit is contained in:
Simon Ser 2025-06-21 18:14:45 +02:00
parent b2d09cdee9
commit 3e88a79e6f
2 changed files with 5 additions and 5 deletions
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2
include/render/vulkan.h
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@ -405,7 +405,7 @@ struct wlr_vk_render_pass {
VkPipeline bound_pipeline;
float projection[9];
bool failed;
bool srgb_pathway; // if false, rendering via intermediate blending buffer
bool two_pass; // rendering via intermediate blending buffer
struct wlr_color_transform *color_transform;
bool has_primaries;

8
render/vulkan/pass.c
View file

@ -175,7 +175,7 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
assert(stage_cb != NULL);
renderer->stage.cb = NULL;
if (!pass->srgb_pathway) {
if (pass->two_pass) {
// Apply output shader to map blend image to actual output image
vkCmdNextSubpass(render_cb->vk, VK_SUBPASS_CONTENTS_INLINE);
@ -403,7 +403,7 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
pass->render_buffer_out->transitioned = true;
}
if (!pass->srgb_pathway) {
if (pass->two_pass) {
// The render pass changes the blend image layout from
// color attachment to read only, so on each frame, before
// the render pass starts, we change it back
@ -614,7 +614,7 @@ error:
static void render_pass_mark_box_updated(struct wlr_vk_render_pass *pass,
const struct wlr_box *box) {
if (pass->srgb_pathway) {
if (!pass->two_pass) {
return;
}
@ -1217,7 +1217,7 @@ 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;
pass->srgb_pathway = using_srgb_pathway;
pass->two_pass = !using_srgb_pathway;
if (options != NULL && options->color_transform != NULL) {
pass->color_transform = wlr_color_transform_ref(options->color_transform);
}