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vulkan: Add support for render timer using timestamp queries

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This commit is contained in:
Kenny Levinsen 2026-04-06 15:30:40 +00:00
parent 8a9e3a84b5
commit 35c35530a3
4 changed files with 105 additions and 0 deletions
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14
render/vulkan/pass.c
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@ -295,6 +295,11 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
vkCmdEndRenderPass(render_cb->vk);
if (pass->timer != NULL) {
vkCmdWriteTimestamp(render_cb->vk, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
pass->timer->query_pool, 1);
}
size_t pass_textures_len = pass->textures.size / sizeof(struct wlr_vk_render_pass_texture);
size_t render_wait_cap = (1 + pass_textures_len) * WLR_DMABUF_MAX_PLANES;
render_wait = calloc(render_wait_cap, sizeof(*render_wait));
@ -1280,6 +1285,14 @@ struct wlr_vk_render_pass *vulkan_begin_render_pass(struct wlr_vk_renderer *rend
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, VK_ACCESS_SHADER_READ_BIT);
}
struct wlr_vk_render_timer *timer = NULL;
if (options != NULL && options->timer != NULL) {
timer = wl_container_of(options->timer, timer, base);
vkCmdResetQueryPool(cb->vk, timer->query_pool, 0, 2);
vkCmdWriteTimestamp(cb->vk, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
timer->query_pool, 0);
}
int width = buffer->wlr_buffer->width;
int height = buffer->wlr_buffer->height;
VkRect2D rect = { .extent = { width, height } };
@ -1308,5 +1321,6 @@ struct wlr_vk_render_pass *vulkan_begin_render_pass(struct wlr_vk_renderer *rend
pass->render_buffer_out = buffer_out;
pass->render_setup = render_setup;
pass->command_buffer = cb;
pass->timer = timer;
return pass;
}