76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
#ifndef GSR_KMS_SHARED_H
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#define GSR_KMS_SHARED_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <drm_mode.h>
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#define GSR_KMS_PROTOCOL_VERSION 5
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#define GSR_KMS_MAX_ITEMS 8
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#define GSR_KMS_MAX_DMA_BUFS 4
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typedef struct gsr_kms_response_dma_buf gsr_kms_response_dma_buf;
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typedef struct gsr_kms_response_item gsr_kms_response_item;
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typedef struct gsr_kms_response gsr_kms_response;
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typedef enum {
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KMS_REQUEST_TYPE_REPLACE_CONNECTION,
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KMS_REQUEST_TYPE_GET_KMS
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} gsr_kms_request_type;
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typedef enum {
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KMS_RESULT_OK,
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KMS_RESULT_INVALID_REQUEST,
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KMS_RESULT_FAILED_TO_GET_PLANE,
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KMS_RESULT_FAILED_TO_GET_PLANES,
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KMS_RESULT_FAILED_TO_SEND
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} gsr_kms_result;
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typedef struct {
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uint32_t version; /* GSR_KMS_PROTOCOL_VERSION */
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int type; /* gsr_kms_request_type */
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int new_connection_fd;
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} gsr_kms_request;
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struct gsr_kms_response_dma_buf {
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int fd;
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uint32_t pitch;
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uint32_t offset;
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};
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typedef enum {
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KMS_ROT_0,
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KMS_ROT_90,
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KMS_ROT_180,
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KMS_ROT_270
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} gsr_kms_rotation;
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struct gsr_kms_response_item {
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gsr_kms_response_dma_buf dma_buf[GSR_KMS_MAX_DMA_BUFS];
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int num_dma_bufs;
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uint32_t width;
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uint32_t height;
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uint32_t pixel_format;
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uint64_t modifier;
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uint32_t connector_id; /* 0 if unknown */
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bool is_cursor;
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bool has_hdr_metadata;
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gsr_kms_rotation rotation;
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int x;
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int y;
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int src_w;
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int src_h;
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struct hdr_output_metadata hdr_metadata;
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};
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struct gsr_kms_response {
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uint32_t version; /* GSR_KMS_PROTOCOL_VERSION */
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int result; /* gsr_kms_result */
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char err_msg[128];
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gsr_kms_response_item items[GSR_KMS_MAX_ITEMS];
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int num_items;
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};
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#endif /* #define GSR_KMS_SHARED_H */
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