335 lines
9.6 KiB
C++
335 lines
9.6 KiB
C++
// DRM output stuff
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#pragma once
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <assert.h>
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#include <drm_fourcc.h>
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#include <drm_mode.h>
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#include "color_helpers.h"
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// Josh: Okay whatever, this header isn't
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// available for whatever stupid reason. :v
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//#include <drm_color_mgmt.h>
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enum drm_color_encoding {
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DRM_COLOR_YCBCR_BT601,
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DRM_COLOR_YCBCR_BT709,
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DRM_COLOR_YCBCR_BT2020,
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DRM_COLOR_ENCODING_MAX,
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};
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enum drm_color_range {
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DRM_COLOR_YCBCR_LIMITED_RANGE,
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DRM_COLOR_YCBCR_FULL_RANGE,
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DRM_COLOR_RANGE_MAX,
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};
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enum drm_screen_type {
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DRM_SCREEN_TYPE_INTERNAL = 0,
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DRM_SCREEN_TYPE_EXTERNAL = 1,
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DRM_SCREEN_TYPE_COUNT
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};
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#include <wayland-server-core.h>
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extern "C" {
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#include <libliftoff.h>
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#include <wlr/render/dmabuf.h>
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#include <wlr/render/drm_format_set.h>
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}
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#include "rendervulkan.hpp"
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#include <unordered_map>
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#include <utility>
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#include <atomic>
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#include <map>
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#include <unordered_map>
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#include <mutex>
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#include <vector>
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struct saved_mode {
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int width;
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int height;
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int refresh;
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};
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struct plane {
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uint32_t id;
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drmModePlane *plane;
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std::map<std::string, const drmModePropertyRes *> props;
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std::map<std::string, uint64_t> initial_prop_values;
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};
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struct crtc {
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uint32_t id;
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drmModeCrtc *crtc;
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std::map<std::string, const drmModePropertyRes *> props;
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std::map<std::string, uint64_t> initial_prop_values;
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bool has_gamma_lut;
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bool has_degamma_lut;
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bool has_ctm;
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bool has_vrr_enabled;
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uint32_t lut3d_size;
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uint32_t shaperlut_size;
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struct {
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bool active;
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} current, pending;
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};
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struct connector_metadata_t {
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struct hdr_output_metadata defaultHdrMetadata = {};
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uint32_t hdr10_metadata_blob = 0;
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bool supportsST2084 = false;
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};
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struct connector {
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uint32_t id;
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char *name;
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drmModeConnector *connector;
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uint32_t possible_crtcs;
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std::map<std::string, const drmModePropertyRes *> props;
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std::map<std::string, uint64_t> initial_prop_values;
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char make_pnp[4];
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char *make;
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char *model;
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int target_refresh;
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bool vrr_capable;
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connector_metadata_t metadata;
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struct {
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uint32_t crtc_id;
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uint32_t colorspace;
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uint32_t content_type;
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uint32_t hdr_output_metadata;
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} current, pending;
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bool has_colorspace;
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bool has_content_type;
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bool has_hdr_output_metadata;
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};
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struct fb {
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uint32_t id;
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/* Client buffer, if any */
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struct wlr_buffer *buf;
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/* A FB is held if it's being used by steamcompmgr
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* doesn't need to be atomic as it's only ever
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* modified/read from the steamcompmgr thread */
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int held_refs;
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/* Number of page-flips using the FB */
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std::atomic< uint32_t > n_refs;
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};
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struct drm_t {
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int fd;
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int preferred_width, preferred_height, preferred_refresh;
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uint64_t cursor_width, cursor_height;
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bool allow_modifiers;
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struct wlr_drm_format_set formats;
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std::vector< struct plane > planes;
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std::vector< struct crtc > crtcs;
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std::unordered_map< uint32_t, struct connector > connectors;
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std::map< uint32_t, drmModePropertyRes * > props;
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struct plane *primary;
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struct crtc *crtc;
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struct connector *connector;
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int crtc_index;
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int kms_in_fence_fd;
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int kms_out_fence_fd;
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struct wlr_drm_format_set primary_formats;
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drmModeAtomicReq *req;
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uint32_t flags;
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struct liftoff_device *lo_device;
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struct liftoff_output *lo_output;
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struct liftoff_layer *lo_layers[ k_nMaxLayers ];
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struct {
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uint32_t mode_id;
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uint32_t gamma_lut_id;
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uint32_t degamma_lut_id;
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uint32_t ctm_id;
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uint32_t lut3d_id;
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uint32_t shaperlut_id;
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float color_gain[3] = { 1.0f, 1.0f, 1.0f };
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float color_linear_gain[3] = { 1.0f, 1.0f, 1.0f };
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float color_gamma_exponent[DRM_SCREEN_TYPE_COUNT][3] = { { 1.0f, 1.0f, 1.0f }, { 1.0f, 1.0f, 1.0f } };
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float color_degamma_exponent[DRM_SCREEN_TYPE_COUNT][3] = { { 1.0f, 1.0f, 1.0f }, { 1.0f, 1.0f, 1.0f } };
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float color_mtx[DRM_SCREEN_TYPE_COUNT][9] =
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{
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{
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1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 1.0f,
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},
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{
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1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 1.0f,
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},
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};
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float gain_blend = 0.0f;
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enum drm_screen_type screen_type = DRM_SCREEN_TYPE_INTERNAL;
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bool vrr_enabled = false;
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std::shared_ptr<std::vector<drm_color_lut>> color_lut3d[DRM_SCREEN_TYPE_COUNT];
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std::shared_ptr<std::vector<drm_color_lut>> color_shaperlut[DRM_SCREEN_TYPE_COUNT];
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} current, pending;
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bool wants_vrr_enabled = false;
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/* FBs in the atomic request, but not yet submitted to KMS */
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std::vector < uint32_t > fbids_in_req;
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/* FBs submitted to KMS, but not yet displayed on screen */
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std::vector < uint32_t > fbids_queued;
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/* FBs currently on screen */
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std::vector < uint32_t > fbids_on_screen;
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std::unordered_map< uint32_t, struct fb > fb_map;
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std::mutex fb_map_mutex;
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std::mutex free_queue_lock;
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std::vector< uint32_t > fbid_unlock_queue;
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std::vector< uint32_t > fbid_free_queue;
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std::mutex flip_lock;
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std::atomic < uint64_t > flipcount;
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std::atomic < bool > paused;
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std::atomic < int > out_of_date;
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std::atomic < bool > needs_modeset;
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std::unordered_map< std::string, int > connector_priorities;
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bool force_internal = false;
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bool enable_hdr = false;
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char *device_name = nullptr;
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};
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extern struct drm_t g_DRM;
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extern uint32_t g_nDRMFormat;
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extern uint32_t g_nDRMFormatHDR;
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extern bool g_bUseLayers;
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extern bool g_bRotated;
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extern bool g_bFlipped;
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extern bool g_bDebugLayers;
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extern const char *g_sOutputName;
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enum drm_mode_generation {
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DRM_MODE_GENERATE_CVT,
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DRM_MODE_GENERATE_FIXED,
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};
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enum g_panel_orientation {
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PANEL_ORIENTATION_0, /* NORMAL */
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PANEL_ORIENTATION_270, /* RIGHT */
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PANEL_ORIENTATION_90, /* LEFT */
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PANEL_ORIENTATION_180, /* UPSIDE DOWN */
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PANEL_ORIENTATION_AUTO,
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};
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extern enum drm_mode_generation g_drmModeGeneration;
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extern enum g_panel_orientation g_drmModeOrientation;
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extern std::atomic<uint64_t> g_drmEffectiveOrientation; // DRM_MODE_ROTATE_*
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bool init_drm(struct drm_t *drm, int width, int height, int refresh, bool wants_adaptive_sync);
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void finish_drm(struct drm_t *drm);
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int drm_commit(struct drm_t *drm, const struct FrameInfo_t *frameInfo );
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int drm_prepare( struct drm_t *drm, bool async, const struct FrameInfo_t *frameInfo );
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void drm_rollback( struct drm_t *drm );
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bool drm_poll_state(struct drm_t *drm);
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uint32_t drm_fbid_from_dmabuf( struct drm_t *drm, struct wlr_buffer *buf, struct wlr_dmabuf_attributes *dma_buf );
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void drm_lock_fbid( struct drm_t *drm, uint32_t fbid );
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void drm_unlock_fbid( struct drm_t *drm, uint32_t fbid );
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void drm_drop_fbid( struct drm_t *drm, uint32_t fbid );
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bool drm_set_connector( struct drm_t *drm, struct connector *conn );
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bool drm_set_mode( struct drm_t *drm, const drmModeModeInfo *mode );
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bool drm_set_refresh( struct drm_t *drm, int refresh );
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bool drm_set_resolution( struct drm_t *drm, int width, int height );
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bool drm_set_color_linear_gains(struct drm_t *drm, float *gains);
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bool drm_set_color_gains(struct drm_t *drm, float *gains);
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bool drm_set_color_mtx(struct drm_t *drm, float *mtx, enum drm_screen_type screen_type);
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bool drm_set_color_gain_blend(struct drm_t *drm, float blend);
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bool drm_update_gamma_lut(struct drm_t *drm);
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bool drm_update_degamma_lut(struct drm_t *drm);
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bool drm_update_color_mtx(struct drm_t *drm);
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bool drm_update_lut3d(struct drm_t *drm);
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bool drm_update_shaperlut(struct drm_t *drm);
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bool drm_update_vrr_state(struct drm_t *drm);
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bool drm_set_gamma_exponent(struct drm_t *drm, float *vec, enum drm_screen_type screen_type);
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bool drm_set_degamma_exponent(struct drm_t *drm, float *vec, enum drm_screen_type screen_type);
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drm_screen_type drm_get_screen_type(struct drm_t *drm);
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char *find_drm_node_by_devid(dev_t devid);
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int drm_get_default_refresh(struct drm_t *drm);
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bool drm_get_vrr_capable(struct drm_t *drm);
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bool drm_supports_st2084(struct drm_t *drm);
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void drm_set_vrr_enabled(struct drm_t *drm, bool enabled);
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bool drm_get_vrr_in_use(struct drm_t *drm);
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uint32_t drm_create_hdr_metadata_blob(struct drm_t *drm, hdr_output_metadata *metadata);
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void drm_destroy_hdr_metadata_blob(struct drm_t *drm, uint32_t blob);
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const char *drm_get_connector_name(struct drm_t *drm);
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const char *drm_get_device_name(struct drm_t *drm);
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std::pair<uint32_t, uint32_t> drm_get_connector_identifier(struct drm_t *drm);
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void drm_set_hdr_state(struct drm_t *drm, bool enabled);
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bool drm_set_3dlut(struct drm_t *drm, const char *path, enum drm_screen_type screen_type);
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bool drm_set_shaperlut(struct drm_t *drm, const char *path, enum drm_screen_type screen_type);
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extern bool g_bSupportsAsyncFlips;
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/* from CTA-861-G */
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#define HDMI_EOTF_SDR 0
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#define HDMI_EOTF_TRADITIONAL_HDR 1
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#define HDMI_EOTF_ST2084 2
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#define HDMI_EOTF_HLG 3
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/* For Default case, driver will set the colorspace */
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#define DRM_MODE_COLORIMETRY_DEFAULT 0
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/* CEA 861 Normal Colorimetry options */
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#define DRM_MODE_COLORIMETRY_NO_DATA 0
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#define DRM_MODE_COLORIMETRY_SMPTE_170M_YCC 1
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#define DRM_MODE_COLORIMETRY_BT709_YCC 2
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/* CEA 861 Extended Colorimetry Options */
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#define DRM_MODE_COLORIMETRY_XVYCC_601 3
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#define DRM_MODE_COLORIMETRY_XVYCC_709 4
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#define DRM_MODE_COLORIMETRY_SYCC_601 5
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#define DRM_MODE_COLORIMETRY_OPYCC_601 6
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#define DRM_MODE_COLORIMETRY_OPRGB 7
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#define DRM_MODE_COLORIMETRY_BT2020_CYCC 8
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#define DRM_MODE_COLORIMETRY_BT2020_RGB 9
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#define DRM_MODE_COLORIMETRY_BT2020_YCC 10
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/* Additional Colorimetry extension added as part of CTA 861.G */
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#define DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65 11
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#define DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER 12
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/* Additional Colorimetry Options added for DP 1.4a VSC Colorimetry Format */
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#define DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED 13
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#define DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT 14
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#define DRM_MODE_COLORIMETRY_BT601_YCC 15
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/* Content type options */
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#define DRM_MODE_CONTENT_TYPE_NO_DATA 0
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#define DRM_MODE_CONTENT_TYPE_GRAPHICS 1
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#define DRM_MODE_CONTENT_TYPE_PHOTO 2
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#define DRM_MODE_CONTENT_TYPE_CINEMA 3
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#define DRM_MODE_CONTENT_TYPE_GAME 4
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