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123 lines
2.7 KiB
123 lines
2.7 KiB
/*
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* Copyright (C) Texas Instruments Incorporated - http://www.ti.com/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <condition_variable>
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#include <mutex>
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#include <cstdbool>
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#include <cstdint>
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#include <hardware/hwcomposer.h>
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#include <kms++/kms++.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include "drmfb.h"
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#define MAX_DISPLAYS 4
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#define DSS_AVAILABLE_PIPES 4
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typedef struct display_config {
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unsigned int xres;
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unsigned int yres;
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unsigned int fps;
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unsigned int xdpi;
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unsigned int ydpi;
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} display_config_t;
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enum disp_role {
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DISP_ROLE_PRIMARY = 0,
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DISP_ROLE_SECONDARY,
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};
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typedef struct drm_plane_props {
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hwc_layer_1_t* layer;
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kms::Plane* plane;
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uint64_t crtc_id;
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uint64_t crtc_x;
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uint64_t crtc_y;
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uint64_t crtc_w;
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uint64_t crtc_h;
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uint64_t src_x;
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uint64_t src_y;
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uint64_t src_w;
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uint64_t src_h;
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DRMFramebuffer* fb_info;
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} drm_plane_props_t;
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class KMSDisplay {
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public:
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KMSDisplay() :
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card(NULL),
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con(NULL),
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crtc(NULL),
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mode() {}
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kms::Card* card;
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kms::Connector* con;
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kms::Crtc* crtc;
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kms::Videomode mode;
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};
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class HWCDisplay
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{
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public:
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HWCDisplay(enum disp_role role);
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~HWCDisplay(){};
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void setup_composition_pipes();
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int update_display(drm_plane_props_t* planeProp);
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std::vector<display_config_t> configs;
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uint32_t active_config;
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enum disp_role role;
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drm_plane_props_t planeProps[DSS_AVAILABLE_PIPES];
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KMSDisplay disp_link;
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const hwc_procs_t* cb_procs;
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bool is_dummy;
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int set_vsync_state(bool state);
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void blank(int blank);
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int get_display_configs(uint32_t* configs, size_t* numConfigs);
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int get_display_attributes(uint32_t cfg, const uint32_t* attributes, int32_t* values);
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static void page_flip_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void* data);
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static void vblank_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void* data);
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private:
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std::vector<DRMFramebuffer*> pending_fb_infos;
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std::vector<DRMFramebuffer*> current_fb_infos;
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bool vsync_on;
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bool blanked;
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std::mutex mutex;
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std::condition_variable cond_flip;
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volatile bool is_flip_pending;
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};
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