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				https://gitlab.freedesktop.org/wlroots/wlroots.git
				synced 2025-11-03 09:01:40 -05:00 
			
		
		
		
	render/vulkan: introduce struct wlr_vk_pipeline_layout
This will make it easier to create one pipeline layout (plus related objects) per YCbCr format.
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					 3 changed files with 66 additions and 30 deletions
				
			
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			@ -122,6 +122,18 @@ const struct wlr_vk_format_modifier_props *vulkan_format_props_find_modifier(
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	struct wlr_vk_format_props *props, uint64_t mod, bool render);
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void vulkan_format_props_finish(struct wlr_vk_format_props *props);
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struct wlr_vk_pipeline_layout {
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	VkPipelineLayout vk;
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	VkDescriptorSetLayout ds;
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	VkSampler sampler;
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	// for YCbCr pipelines only
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	struct {
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		VkSamplerYcbcrConversion conversion;
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		VkFormat format;
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	} ycbcr;
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};
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// Constants used to pick the color transform for the texture drawing
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// fragment shader. Must match those in shaders/texture.frag
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enum wlr_vk_texture_transform {
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			@ -194,10 +206,9 @@ struct wlr_vk_renderer {
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	VkShaderModule quad_frag_module;
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	VkShaderModule output_module;
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	VkDescriptorSetLayout ds_layout, nv12_ds_layout;
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	VkPipelineLayout pipe_layout, nv12_pipe_layout;
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	VkSampler sampler, nv12_sampler;
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	VkSamplerYcbcrConversion nv12_conversion;
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	struct wlr_vk_pipeline_layout default_pipeline_layout;
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	struct wlr_vk_pipeline_layout nv12_pipeline_layout;
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	// for blend->output subpass
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	VkPipelineLayout output_pipe_layout;
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	VkDescriptorSetLayout output_ds_layout;
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			@ -1405,11 +1405,11 @@ static bool vulkan_render_subtexture_with_matrix(struct wlr_renderer *wlr_render
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		wl_list_insert(&renderer->foreign_textures, &texture->foreign_link);
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	}
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	VkPipelineLayout pipe_layout = renderer->pipe_layout;
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	VkPipelineLayout pipe_layout = renderer->default_pipeline_layout.vk;
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	VkPipeline pipe;
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	// SRGB formats already have the transfer function applied
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	if (texture->format->drm == DRM_FORMAT_NV12) {
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		pipe_layout = renderer->nv12_pipe_layout;
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		pipe_layout = renderer->nv12_pipeline_layout.vk;
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		pipe = renderer->current_render_buffer->render_setup->tex_nv12_pipe;
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	} else if (texture->format->is_srgb) {
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		pipe = renderer->current_render_buffer->render_setup->tex_identity_pipe;
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			@ -1538,9 +1538,9 @@ static void vulkan_render_quad_with_matrix(struct wlr_renderer *wlr_renderer,
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	linear_color[2] = color_to_linear(color[2]);
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	linear_color[3] = color[3]; // no conversion for alpha
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	vkCmdPushConstants(cb, renderer->pipe_layout,
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	vkCmdPushConstants(cb, renderer->default_pipeline_layout.vk,
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		VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(vert_pcr_data), &vert_pcr_data);
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	vkCmdPushConstants(cb, renderer->pipe_layout,
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	vkCmdPushConstants(cb, renderer->default_pipeline_layout.vk,
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		VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(vert_pcr_data), sizeof(float) * 4,
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		linear_color);
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	vkCmdDraw(cb, 4, 1, 0, 0);
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			@ -1570,6 +1570,15 @@ static uint32_t vulkan_preferred_read_format(
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	return dmabuf.format;
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}
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static void finish_pipeline_layout(struct wlr_vk_renderer *renderer,
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		struct wlr_vk_pipeline_layout *pipeline_layout) {
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	struct wlr_vk_device *dev = renderer->dev;
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	vkDestroyPipelineLayout(dev->dev, pipeline_layout->vk, NULL);
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	vkDestroyDescriptorSetLayout(dev->dev, pipeline_layout->ds, NULL);
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	vkDestroySampler(dev->dev, pipeline_layout->sampler, NULL);
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	vkDestroySamplerYcbcrConversion(dev->dev, pipeline_layout->ycbcr.conversion, NULL);
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}
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static void vulkan_destroy(struct wlr_renderer *wlr_renderer) {
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	struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
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	struct wlr_vk_device *dev = renderer->dev;
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			@ -1634,13 +1643,12 @@ static void vulkan_destroy(struct wlr_renderer *wlr_renderer) {
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	vkDestroyShaderModule(dev->dev, renderer->quad_frag_module, NULL);
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	vkDestroyShaderModule(dev->dev, renderer->output_module, NULL);
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	finish_pipeline_layout(renderer, &renderer->default_pipeline_layout);
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	finish_pipeline_layout(renderer, &renderer->nv12_pipeline_layout);
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	vkDestroySemaphore(dev->dev, renderer->timeline_semaphore, NULL);
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	vkDestroyPipelineLayout(dev->dev, renderer->pipe_layout, NULL);
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	vkDestroyDescriptorSetLayout(dev->dev, renderer->ds_layout, NULL);
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	vkDestroyPipelineLayout(dev->dev, renderer->output_pipe_layout, NULL);
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	vkDestroyDescriptorSetLayout(dev->dev, renderer->output_ds_layout, NULL);
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	vkDestroySampler(dev->dev, renderer->sampler, NULL);
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	vkDestroySamplerYcbcrConversion(dev->dev, renderer->nv12_conversion, NULL);
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	vkDestroyCommandPool(dev->dev, renderer->command_pool, NULL);
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	if (renderer->read_pixels_cache.initialized) {
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			@ -1944,25 +1952,31 @@ static bool init_sampler(struct wlr_vk_renderer *renderer, VkSampler *sampler,
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	return true;
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}
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static bool init_nv12_sampler(struct wlr_vk_renderer *renderer, VkSampler *sampler) {
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static bool init_ycbcr_sampler(struct wlr_vk_renderer *renderer,
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		struct wlr_vk_pipeline_layout *pipeline_layout,
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		const struct wlr_vk_format *format) {
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	VkResult res;
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	assert(format->is_ycbcr);
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	pipeline_layout->ycbcr.format = format->vk;
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	VkSamplerYcbcrConversionCreateInfo conversion_create_info = {
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		.sType = VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_CREATE_INFO,
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		.format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
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		.format = format->vk,
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		.ycbcrModel = VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601,
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		.ycbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_NARROW,
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		.xChromaOffset = VK_CHROMA_LOCATION_MIDPOINT,
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		.yChromaOffset = VK_CHROMA_LOCATION_MIDPOINT,
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		.chromaFilter = VK_FILTER_LINEAR,
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	};
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	res = vkCreateSamplerYcbcrConversion(renderer->dev->dev, &conversion_create_info, NULL, &renderer->nv12_conversion);
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	res = vkCreateSamplerYcbcrConversion(renderer->dev->dev,
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		&conversion_create_info, NULL, &pipeline_layout->ycbcr.conversion);
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	if (res != VK_SUCCESS) {
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		wlr_vk_error("vkCreateSamplerYcbcrConversion", res);
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		return false;
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	}
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	return init_sampler(renderer, sampler, renderer->nv12_conversion);
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	return init_sampler(renderer, &pipeline_layout->sampler, pipeline_layout->ycbcr.conversion);
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}
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// Initializes the VkDescriptorSetLayout and VkPipelineLayout needed
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			@ -2411,19 +2425,30 @@ static bool init_static_render_data(struct wlr_vk_renderer *renderer) {
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	VkResult res;
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	VkDevice dev = renderer->dev->dev;
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	if (!init_sampler(renderer, &renderer->sampler, VK_NULL_HANDLE)) {
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	const struct wlr_vk_format *nv12_format = NULL;
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	if (renderer->dev->sampler_ycbcr_conversion) {
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		nv12_format = vulkan_get_format_from_drm(DRM_FORMAT_NV12);
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	}
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	struct wlr_vk_pipeline_layout *default_layout = &renderer->default_pipeline_layout;
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	struct wlr_vk_pipeline_layout *nv12_layout = NULL;
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	if (nv12_format != NULL) {
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		nv12_layout = &renderer->nv12_pipeline_layout;
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	}
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	if (!init_sampler(renderer, &default_layout->sampler, VK_NULL_HANDLE)) {
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		return false;
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	}
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	if (renderer->dev->sampler_ycbcr_conversion && !init_nv12_sampler(renderer, &renderer->nv12_sampler)) {
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	if (nv12_layout != NULL && !init_ycbcr_sampler(renderer, nv12_layout, nv12_format)) {
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		return false;
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	}
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	if (!init_tex_layouts(renderer, renderer->sampler,
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			&renderer->ds_layout, &renderer->pipe_layout)) {
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	if (!init_tex_layouts(renderer, default_layout->sampler, &default_layout->ds, &default_layout->vk)) {
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		return false;
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	}
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	if (renderer->dev->sampler_ycbcr_conversion && !init_tex_layouts(renderer, renderer->nv12_sampler,
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			&renderer->nv12_ds_layout, &renderer->nv12_pipe_layout)) {
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	if (nv12_layout != NULL && !init_tex_layouts(renderer, nv12_layout->sampler,
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			&nv12_layout->ds, &nv12_layout->vk)) {
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		return false;
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	}
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			@ -2686,23 +2711,23 @@ static struct wlr_vk_render_format_setup *find_or_create_render_setup(
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		}
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	}
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	if (!init_tex_pipeline(renderer, setup->render_pass, renderer->pipe_layout,
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	if (!init_tex_pipeline(renderer, setup->render_pass, renderer->default_pipeline_layout.vk,
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			WLR_VK_TEXTURE_TRANSFORM_IDENTITY, &setup->tex_identity_pipe)) {
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		goto error;
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	}
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	if (!init_tex_pipeline(renderer, setup->render_pass, renderer->pipe_layout,
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	if (!init_tex_pipeline(renderer, setup->render_pass, renderer->default_pipeline_layout.vk,
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			WLR_VK_TEXTURE_TRANSFORM_SRGB, &setup->tex_srgb_pipe)) {
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		goto error;
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	}
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	if (renderer->dev->sampler_ycbcr_conversion && !init_tex_pipeline(renderer,
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			setup->render_pass, renderer->nv12_pipe_layout,
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			setup->render_pass, renderer->nv12_pipeline_layout.vk,
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			WLR_VK_TEXTURE_TRANSFORM_SRGB, &setup->tex_nv12_pipe)) {
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		goto error;
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	}
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	if (!init_quad_pipeline(renderer, setup->render_pass, renderer->pipe_layout,
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	if (!init_quad_pipeline(renderer, setup->render_pass, renderer->default_pipeline_layout.vk,
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			&setup->quad_pipe)) {
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		goto error;
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	}
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			@ -364,7 +364,7 @@ static struct wlr_texture *vulkan_texture_from_pixels(
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		goto error;
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	}
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	texture->ds_pool = vulkan_alloc_texture_ds(renderer, renderer->ds_layout, &texture->ds);
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	texture->ds_pool = vulkan_alloc_texture_ds(renderer, renderer->default_pipeline_layout.ds, &texture->ds);
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	if (!texture->ds_pool) {
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		wlr_log(WLR_ERROR, "failed to allocate descriptor");
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		goto error;
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			@ -695,13 +695,13 @@ static struct wlr_vk_texture *vulkan_texture_from_dmabuf(
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		.image = texture->image,
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	};
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	VkDescriptorSetLayout ds_layout = renderer->ds_layout;
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	VkDescriptorSetLayout ds_layout = renderer->default_pipeline_layout.ds;
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	VkSamplerYcbcrConversionInfo ycbcr_conversion_info;
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	if (fmt->format.is_ycbcr) {
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		ds_layout = renderer->nv12_ds_layout;
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		ds_layout = renderer->nv12_pipeline_layout.ds;
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		ycbcr_conversion_info = (VkSamplerYcbcrConversionInfo){
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			.sType = VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO,
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			.conversion = renderer->nv12_conversion,
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			.conversion = renderer->nv12_pipeline_layout.ycbcr.conversion,
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		};
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		view_info.pNext = &ycbcr_conversion_info;
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	}
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