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render/vulkan: 3D LUT fallback for texture pass color transform

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This commit is contained in:
Félix Poisot 2026-02-05 20:14:53 +00:00
parent 9df24a4bfd
commit 660ee4cb05
4 changed files with 139 additions and 53 deletions
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20
include/render/vulkan.h
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@ -168,6 +168,7 @@ enum wlr_vk_texture_transform {
WLR_VK_TEXTURE_TRANSFORM_ST2084_PQ = 2,
WLR_VK_TEXTURE_TRANSFORM_GAMMA22 = 3,
WLR_VK_TEXTURE_TRANSFORM_BT1886 = 4,
WLR_VK_TEXTURE_TRANSFORM_LUT_3D = 5,
};
enum wlr_vk_shader_source {
@ -284,8 +285,8 @@ struct wlr_vk_command_buffer {
uint64_t timeline_point;
// Textures to destroy after the command buffer completes
struct wl_list destroy_textures; // wlr_vk_texture.destroy_link
// Color transform to unref after the command buffer completes
struct wlr_color_transform *color_transform;
// Color transforms to unref after the command buffer completes
struct wl_array color_transforms; // struct wlr_color_transform*
// For DMA-BUF implicit sync interop, may be NULL
VkSemaphore binary_semaphore;
@ -313,11 +314,12 @@ struct wlr_vk_renderer {
// for blend->output subpass
VkPipelineLayout output_pipe_layout;
VkDescriptorSetLayout output_ds_srgb_layout;
VkDescriptorSetLayout output_ds_lut3d_layout;
VkSampler output_sampler_lut3d;
VkDescriptorSetLayout ds_lut3d_layout;
VkSampler sampler_lut3d;
// descriptor set indicating dummy 1x1x1 image, for use in the lut3d slot
VkDescriptorSet output_ds_lut3d_dummy;
struct wlr_vk_descriptor_pool *output_ds_lut3d_dummy_pool;
VkDescriptorSet ds_lut3d_dummy;
struct wlr_vk_descriptor_pool *ds_lut3d_dummy_pool;
size_t last_output_pool_size;
struct wl_list output_descriptor_pools; // wlr_vk_descriptor_pool.link
@ -372,6 +374,8 @@ struct wlr_vk_vert_pcr_data {
struct wlr_vk_frag_texture_pcr_data {
float matrix[4][4]; // only a 3x3 subset is used
float alpha;
float lut_3d_offset;
float lut_3d_scale;
};
struct wlr_vk_frag_output_pcr_data {
@ -492,6 +496,8 @@ bool vulkan_wait_command_buffer(struct wlr_vk_command_buffer *cb,
struct wlr_vk_renderer *renderer);
VkSemaphore vulkan_command_buffer_wait_sync_file(struct wlr_vk_renderer *renderer,
struct wlr_vk_command_buffer *render_cb, size_t sem_index, int sync_file_fd);
bool vulkan_command_buffer_ref_color_transform(struct wlr_vk_command_buffer *cb,
struct wlr_color_transform *color_transform);
bool vulkan_sync_render_pass_release(struct wlr_vk_renderer *renderer,
struct wlr_vk_render_pass *pass);
@ -601,7 +607,7 @@ struct wlr_vk_color_transform {
} lut_3d;
float color_matrix[9];
enum wlr_color_transfer_function inverse_eotf;
enum wlr_color_transfer_function eotf;
};
void vk_color_transform_destroy(struct wlr_addon *addon);