641 lines
24 KiB
C
641 lines
24 KiB
C
#include <stdio.h>
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <libdrm/drm_fourcc.h>
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#include "drm.h"
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#include "va.h"
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extern struct kmsvnc_data *kmsvnc;
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static int check_pixfmt_non_vaapi() {
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if (
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kmsvnc->drm->mfb->pixel_format != KMSVNC_FOURCC_TO_INT('X', 'R', '2', '4') &&
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kmsvnc->drm->mfb->pixel_format != KMSVNC_FOURCC_TO_INT('A', 'R', '2', '4')
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)
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{
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KMSVNC_FATAL("Unsupported pixfmt %s, please create an issue with your pixfmt.\n", kmsvnc->drm->pixfmt_name);
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}
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return 0;
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}
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static void convert_copy(const char *in, int width, int height, char *buff)
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{
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memcpy(buff, in, width * height * BYTES_PER_PIXEL);
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}
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static void convert_bgra_to_rgba(const char *in, int width, int height, char *buff)
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{
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memcpy(buff, in, width * height * BYTES_PER_PIXEL);
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for (int i = 0; i < width * height * BYTES_PER_PIXEL; i += BYTES_PER_PIXEL) {
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uint32_t pixdata = htonl(*((uint32_t*)(kmsvnc->drm->kms_convert_buf + i)));
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buff[i+0] = (pixdata & 0x0000ff00) >> 8;
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buff[i+2] = (pixdata & 0xff000000) >> 24;
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}
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}
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static inline char convert_buf_allocate(size_t len) {
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if (kmsvnc->drm->kms_convert_buf_len < len)
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{
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if (kmsvnc->drm->kms_convert_buf)
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free(kmsvnc->drm->kms_convert_buf);
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kmsvnc->drm->kms_convert_buf = malloc(len);
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if (!kmsvnc->drm->kms_convert_buf) return 1;
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kmsvnc->drm->kms_convert_buf_len = len;
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}
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return 0;
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}
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static inline void convert_x_tiled(const int tilex, const int tiley, const char *in, int width, int height, char *buff)
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{
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if (width % tilex)
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{
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return;
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}
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if (height % tiley)
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{
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int sno = (width / tilex) + (height / tiley) * (width / tilex);
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int ord = (width % tilex) + (height % tiley) * tilex;
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int max_offset = sno * tilex * tiley + ord;
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if (kmsvnc->drm->kms_cpy_tmp_buf_len < max_offset * 4 + 4)
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{
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if (kmsvnc->drm->kms_cpy_tmp_buf)
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free(kmsvnc->drm->kms_convert_buf);
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kmsvnc->drm->kms_cpy_tmp_buf = malloc(max_offset * 4 + 4);
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if (!kmsvnc->drm->kms_cpy_tmp_buf) return;
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kmsvnc->drm->kms_cpy_tmp_buf_len = max_offset * 4 + 4;
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}
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memcpy(kmsvnc->drm->kms_cpy_tmp_buf, in, max_offset * 4 + 4);
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in = (const char *)kmsvnc->drm->kms_cpy_tmp_buf;
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}
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if (convert_buf_allocate(width * height * 4)) return;
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for (int y = 0; y < height; y++)
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{
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for (int x = 0; x < width; x++)
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{
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int sno = (x / tilex) + (y / tiley) * (width / tilex);
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int ord = (x % tilex) + (y % tiley) * tilex;
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int offset = sno * tilex * tiley + ord;
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memcpy(kmsvnc->drm->kms_convert_buf + (x + y * width) * 4, in + offset * 4, 4);
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}
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}
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convert_bgra_to_rgba(kmsvnc->drm->kms_convert_buf, width, height, buff);
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}
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void convert_nvidia_x_tiled_kmsbuf(const char *in, int width, int height, char *buff)
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{
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convert_x_tiled(16, 128, in, width, height, buff);
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}
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void convert_intel_x_tiled_kmsbuf(const char *in, int width, int height, char *buff)
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{
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convert_x_tiled(128, 8, in, width, height, buff);
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}
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static void convert_vaapi(const char *in, int width, int height, char *buff) {
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if (KMSVNC_FOURCC_TO_INT('R','G','B', 0) & kmsvnc->va->image->format.fourcc == KMSVNC_FOURCC_TO_INT('R','G','B', 0)) {
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va_hwframe_to_vaapi(buff);
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}
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else {
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if (convert_buf_allocate(width * height * BYTES_PER_PIXEL)) return;
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va_hwframe_to_vaapi(kmsvnc->drm->kms_convert_buf);
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// is 30 depth?
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if (kmsvnc->va->image->format.depth == 30) {
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for (int i = 0; i < width * height * BYTES_PER_PIXEL; i += BYTES_PER_PIXEL) {
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// ensure little endianess
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uint32_t pixdata = __builtin_bswap32(htonl(*((uint32_t*)(kmsvnc->drm->kms_convert_buf + i))));
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kmsvnc->drm->kms_convert_buf[i] = (pixdata & 0x3ff00000) >> 20 >> 2;
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kmsvnc->drm->kms_convert_buf[i+1] = (pixdata & 0xffc00) >> 10 >> 2;
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kmsvnc->drm->kms_convert_buf[i+2] = (pixdata & 0x3ff) >> 2;
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}
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}
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// is xrgb?
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if ((kmsvnc->va->image->format.blue_mask | kmsvnc->va->image->format.red_mask) < 0x1000000) {
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for (int i = 0; i < width * height * BYTES_PER_PIXEL; i += BYTES_PER_PIXEL) {
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uint32_t *pixdata = (uint32_t*)(kmsvnc->drm->kms_convert_buf + i);
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*pixdata = ntohl(htonl(*pixdata) << 8);
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}
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}
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// is bgrx?
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if (kmsvnc->va->image->format.blue_mask > kmsvnc->va->image->format.red_mask) {
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for (int i = 0; i < width * height * BYTES_PER_PIXEL; i += BYTES_PER_PIXEL) {
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uint32_t pixdata = htonl(*((uint32_t*)(kmsvnc->drm->kms_convert_buf + i)));
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buff[i+0] = (pixdata & 0x0000ff00) >> 8;
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buff[i+2] = (pixdata & 0xff000000) >> 24;
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}
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}
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// rgbx now
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memcpy(buff, kmsvnc->drm->kms_convert_buf, width * height * BYTES_PER_PIXEL);
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}
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}
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static inline void drm_sync(int drmfd, uint64_t flags)
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{
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struct dma_buf_sync sync = {
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.flags = flags,
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};
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DRM_R_IOCTL_MAY(drmfd, DMA_BUF_IOCTL_SYNC, &sync);
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}
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void drm_sync_start(int drmfd)
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{
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drm_sync(drmfd, DMA_BUF_SYNC_START | DMA_BUF_SYNC_READ);
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}
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void drm_sync_end(int drmfd)
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{
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drm_sync(drmfd, DMA_BUF_SYNC_END | DMA_BUF_SYNC_READ);
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}
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void drm_sync_noop(int drmfd)
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{
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}
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void drm_cleanup() {
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if (kmsvnc->drm) {
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if (kmsvnc->drm->drm_ver) {
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drmFreeVersion(kmsvnc->drm->drm_ver);
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kmsvnc->drm->drm_ver = NULL;
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}
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if (kmsvnc->drm->pixfmt_name) {
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free(kmsvnc->drm->pixfmt_name);
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kmsvnc->drm->pixfmt_name = NULL;
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}
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if (kmsvnc->drm->mod_vendor) {
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free(kmsvnc->drm->mod_vendor);
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kmsvnc->drm->mod_vendor = NULL;
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}
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if (kmsvnc->drm->mod_name) {
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free(kmsvnc->drm->mod_name);
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kmsvnc->drm->mod_name = NULL;
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}
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if (kmsvnc->drm->plane) {
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drmModeFreePlane(kmsvnc->drm->plane);
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kmsvnc->drm->plane = NULL;
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}
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if (kmsvnc->drm->cursor_plane) {
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drmModeFreePlane(kmsvnc->drm->cursor_plane);
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kmsvnc->drm->cursor_plane = NULL;
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}
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if (kmsvnc->drm->mfb) {
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drmModeFreeFB2(kmsvnc->drm->mfb);
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kmsvnc->drm->mfb = NULL;
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}
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if (kmsvnc->drm->cursor_mfb) {
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drmModeFreeFB2(kmsvnc->drm->cursor_mfb);
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kmsvnc->drm->cursor_mfb = NULL;
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}
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if (kmsvnc->drm->mapped && kmsvnc->drm->mapped != MAP_FAILED) {
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munmap(kmsvnc->drm->mapped, kmsvnc->drm->mmap_size);
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kmsvnc->drm->mapped = NULL;
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}
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if (kmsvnc->drm->cursor_mapped && kmsvnc->drm->cursor_mapped != MAP_FAILED) {
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munmap(kmsvnc->drm->cursor_mapped, kmsvnc->drm->cursor_mmap_size);
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kmsvnc->drm->cursor_mapped = NULL;
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}
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if (kmsvnc->drm->prime_fd > 0) {
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close(kmsvnc->drm->prime_fd);
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kmsvnc->drm->prime_fd = 0;
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}
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if (kmsvnc->drm->drm_fd > 0) {
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close(kmsvnc->drm->drm_fd);
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kmsvnc->drm->drm_fd = 0;
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}
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if (kmsvnc->drm->plane_res) {
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drmModeFreePlaneResources(kmsvnc->drm->plane_res);
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kmsvnc->drm->plane_res = NULL;
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}
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if (kmsvnc->drm->kms_convert_buf) {
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free(kmsvnc->drm->kms_convert_buf);
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kmsvnc->drm->kms_convert_buf = NULL;
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}
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kmsvnc->drm->kms_convert_buf_len = 0;
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if (kmsvnc->drm->kms_cpy_tmp_buf) {
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free(kmsvnc->drm->kms_cpy_tmp_buf);
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kmsvnc->drm->kms_cpy_tmp_buf = NULL;
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}
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kmsvnc->drm->kms_cpy_tmp_buf_len = 0;
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if (kmsvnc->drm->kms_cursor_buf) {
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free(kmsvnc->drm->kms_cursor_buf);
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kmsvnc->drm->kms_cursor_buf = NULL;
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}
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kmsvnc->drm->kms_cursor_buf_len = 0;
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free(kmsvnc->drm);
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kmsvnc->drm = NULL;
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}
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}
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static const char* drm_get_plane_type_name(uint64_t plane_type) {
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switch (plane_type) {
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case DRM_PLANE_TYPE_OVERLAY:
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return "overlay";
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case DRM_PLANE_TYPE_PRIMARY:
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return "primary";
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case DRM_PLANE_TYPE_CURSOR:
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return "cursor";
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default:
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return "unknown";
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}
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};
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static int drm_refresh_planes(char first_time) {
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struct kmsvnc_drm_data *drm = kmsvnc->drm;
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if (!drm->plane && kmsvnc->source_plane > 0)
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{
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drm->plane = drmModeGetPlane(drm->drm_fd, kmsvnc->source_plane);
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if (!drm->plane)
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KMSVNC_FATAL("Failed to get plane %d: %s\n", kmsvnc->source_plane, strerror(errno));
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if (drm->plane->fb_id == 0)
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fprintf(stderr, "Place %d does not have an attached framebuffer\n", kmsvnc->source_plane);
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}
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if (!drm->plane || (kmsvnc->capture_cursor && !drm->cursor_plane)) {
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drmModePlane *current_plane = NULL;
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drm->plane_res = drmModeGetPlaneResources(drm->drm_fd);
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if (!drm->plane_res)
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KMSVNC_FATAL("Failed to get plane resources: %s\n", strerror(errno));
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int i;
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for (i = 0; i < drm->plane_res->count_planes; i++)
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{
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current_plane = drmModeGetPlane(drm->drm_fd, drm->plane_res->planes[i]);
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if (!current_plane)
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{
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fprintf(stderr, "Failed to get plane %u: %s\n", drm->plane_res->planes[i], strerror(errno));
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continue;
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}
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// get plane type
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uint64_t plane_type = 114514;
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drmModeObjectPropertiesPtr plane_props = drmModeObjectGetProperties(drm->drm_fd, current_plane->plane_id, DRM_MODE_OBJECT_PLANE);
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if (!plane_props) {
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fprintf(stderr, "Failed to get plane prop %u: %s\n", drm->plane_res->planes[i], strerror(errno));
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}
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else {
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for (int i = 0; i < plane_props->count_props; i++) {
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drmModePropertyPtr plane_prop = drmModeGetProperty(drm->drm_fd, plane_props->props[i]);
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if (strcmp(plane_prop->name, "type") == 0) {
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plane_type = plane_props->prop_values[i];
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}
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drmModeFreeProperty(plane_prop);
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}
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drmModeFreeObjectProperties(plane_props);
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}
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assert(drm->plane_res->planes[i] == current_plane->plane_id);
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if (first_time) {
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printf("Plane %u CRTC %u FB %u Type %s\n", current_plane->plane_id, current_plane->crtc_id, current_plane->fb_id, drm_get_plane_type_name(plane_type));
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}
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// populate drm->plane and drm->cursor_plane
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char nofree = 0;
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if (current_plane->fb_id != 0) {
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if (!drm->plane) {
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if (kmsvnc->source_crtc == 0 || current_plane->crtc_id == kmsvnc->source_crtc) {
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nofree = 1;
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drm->plane = current_plane;
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}
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}
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// assume cursor plane is always after primary plane
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if (!drm->cursor_plane) {
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if (drm->plane && drm->plane->crtc_id == current_plane->crtc_id && plane_type == DRM_PLANE_TYPE_CURSOR) {
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nofree = 1;
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drm->cursor_plane = current_plane;
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}
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}
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}
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if ((!kmsvnc->capture_cursor || drm->cursor_plane) && drm->plane) {
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break;
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}
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if (!nofree) {
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drmModeFreePlane(current_plane);
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}
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current_plane = NULL;
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}
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if (!first_time) return 0;
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if (i == drm->plane_res->count_planes)
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{
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if (!drm->plane) {
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if (kmsvnc->source_crtc != 0)
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{
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KMSVNC_FATAL("No usable planes found on CRTC %d\n", kmsvnc->source_crtc);
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}
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else
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{
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KMSVNC_FATAL("No usable planes found\n");
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}
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}
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else if (!drm->cursor_plane) {
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fprintf(stderr, "No usable cursor plane found, cursor capture currently unavailable\n");
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}
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}
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printf("Using plane %u to locate framebuffers\n", drm->plane->plane_id);
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if (drm->cursor_plane) {
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printf("Using cursor plane %u\n", drm->cursor_plane->plane_id);
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}
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}
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return 0;
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}
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int drm_dump_cursor_plane(char **data, int *width, int *height) {
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struct kmsvnc_drm_data *drm = kmsvnc->drm;
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if (drm->cursor_plane) {
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drmModeFreePlane(drm->cursor_plane);
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drm->cursor_plane = NULL;
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}
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drm_refresh_planes(0); // ignore error
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if (!drm->cursor_plane) {
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data = NULL;
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return 1;
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}
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if (drm->cursor_mfb) drmModeFreeFB2(drm->cursor_mfb);
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drm->cursor_mfb = drmModeGetFB2(drm->drm_fd, drm->cursor_plane->fb_id);
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if (!drm->cursor_mfb) {
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KMSVNC_DEBUG("Cursor framebuffer missing\n");
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return 1;
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}
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if (drm->cursor_mfb->modifier != DRM_FORMAT_MOD_NONE && drm->cursor_mfb->modifier != DRM_FORMAT_MOD_LINEAR) {
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//kmsvnc->capture_cursor = 0;
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KMSVNC_DEBUG("Cursor plane modifier is not linear: %lu\n", drm->cursor_mfb->modifier);
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return 1;
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}
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if (
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drm->cursor_mfb->pixel_format != KMSVNC_FOURCC_TO_INT('A', 'R', '2', '4') &&
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drm->cursor_mfb->pixel_format != KMSVNC_FOURCC_TO_INT('A', 'R', '3', '0')
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)
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{
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//kmsvnc->capture_cursor = 0;
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char *fmtname = drmGetFormatName(drm->cursor_mfb->pixel_format);
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KMSVNC_DEBUG("Cursor plane pixel format unsupported (%u, %s)\n", drm->cursor_mfb->pixel_format, fmtname);
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free(fmtname);
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return 1;
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}
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struct drm_gem_flink flink;
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flink.handle = drm->cursor_mfb->handles[0];
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DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_GEM_FLINK, &flink);
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struct drm_gem_open open_arg;
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open_arg.name = flink.name;
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DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_GEM_OPEN, &open_arg);
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struct drm_mode_map_dumb mreq;
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memset(&mreq, 0, sizeof(mreq));
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mreq.handle = open_arg.handle;
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DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_MODE_MAP_DUMB, &mreq);
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size_t mmap_size = open_arg.size;
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if (mmap_size != drm->cursor_mfb->width * drm->cursor_mfb->height * BYTES_PER_PIXEL) {
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KMSVNC_DEBUG("Cursor plane mmap_size != calculated size (%d, %d)\n", mmap_size, drm->cursor_mfb->width * drm->cursor_mfb->height * BYTES_PER_PIXEL);
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return 1;
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}
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off_t mmap_offset = mreq.offset;
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if (drm->cursor_mapped && drm->cursor_mapped != MAP_FAILED) munmap(drm->cursor_mapped, drm->cursor_mmap_size);
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drm->cursor_mapped = mmap(NULL, mmap_size, PROT_READ, MAP_SHARED, drm->drm_fd, mmap_offset);
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if (drm->cursor_mapped == MAP_FAILED)
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{
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KMSVNC_DEBUG("Failed to mmap cursor: %s\n", strerror(errno));
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return 1;
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}
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else
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{
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if (kmsvnc->drm->kms_cursor_buf_len < mmap_size)
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{
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if (kmsvnc->drm->kms_cursor_buf)
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free(kmsvnc->drm->kms_cursor_buf);
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kmsvnc->drm->kms_cursor_buf = malloc(mmap_size);
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if (!kmsvnc->drm->kms_cursor_buf) return 1;
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kmsvnc->drm->kms_cursor_buf_len = mmap_size;
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}
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memcpy(drm->kms_cursor_buf, drm->cursor_mapped, mmap_size);
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if (drm->cursor_mfb->pixel_format == KMSVNC_FOURCC_TO_INT('X', 'R', '3', '0') ||
|
|
drm->cursor_mfb->pixel_format == KMSVNC_FOURCC_TO_INT('A', 'R', '3', '0'))
|
|
{
|
|
for (int i = 0; i < drm->cursor_mfb->width * drm->cursor_mfb->height * BYTES_PER_PIXEL; i += BYTES_PER_PIXEL) {
|
|
uint32_t pixdata = __builtin_bswap32(htonl(*((uint32_t*)(kmsvnc->drm->kms_cursor_buf + i))));
|
|
kmsvnc->drm->kms_cursor_buf[i] = (pixdata & 0x3ff00000) >> 20 >> 2;
|
|
kmsvnc->drm->kms_cursor_buf[i+1] = (pixdata & 0xffc00) >> 10 >> 2;
|
|
kmsvnc->drm->kms_cursor_buf[i+2] = (pixdata & 0x3ff) >> 2;
|
|
kmsvnc->drm->kms_cursor_buf[i+3] = (pixdata & 0xc0000000) >> 30 << 6;
|
|
}
|
|
}
|
|
if (drm->cursor_mfb->pixel_format == KMSVNC_FOURCC_TO_INT('X', 'R', '2', '4') ||
|
|
drm->cursor_mfb->pixel_format == KMSVNC_FOURCC_TO_INT('A', 'R', '2', '4'))
|
|
{
|
|
// bgra to rgba
|
|
for (int i = 0; i < drm->cursor_mfb->width * drm->cursor_mfb->height * BYTES_PER_PIXEL; i += BYTES_PER_PIXEL) {
|
|
uint32_t pixdata = htonl(*((uint32_t*)(kmsvnc->drm->kms_cursor_buf + i)));
|
|
kmsvnc->drm->kms_cursor_buf[i+0] = (pixdata & 0x0000ff00) >> 8;
|
|
kmsvnc->drm->kms_cursor_buf[i+2] = (pixdata & 0xff000000) >> 24;
|
|
}
|
|
}
|
|
*width = drm->cursor_mfb->width;
|
|
*height = drm->cursor_mfb->height;
|
|
*data = drm->kms_cursor_buf;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int drm_open() {
|
|
struct kmsvnc_drm_data *drm = malloc(sizeof(struct kmsvnc_drm_data));
|
|
if (!drm) KMSVNC_FATAL("memory allocation error at %s:%d\n", __FILE__, __LINE__);
|
|
memset(drm, 0, sizeof(struct kmsvnc_drm_data));
|
|
kmsvnc->drm = drm;
|
|
|
|
drm->drm_fd = open(kmsvnc->card, O_RDONLY);
|
|
if (drm->drm_fd < 0)
|
|
{
|
|
KMSVNC_FATAL("card %s open failed: %s\n", kmsvnc->card, strerror(errno));
|
|
}
|
|
drm->drm_ver = drmGetVersion(drm->drm_fd);
|
|
printf("drm driver is %s\n", drm->drm_ver->name);
|
|
|
|
int err = drmSetClientCap(drm->drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
|
|
if (err < 0)
|
|
{
|
|
perror("Failed to set universal planes capability: primary planes will not be usable");
|
|
}
|
|
|
|
if (drm_refresh_planes(1)) return 1;
|
|
|
|
drm->mfb = drmModeGetFB2(drm->drm_fd, drm->plane->fb_id);
|
|
if (!drm->mfb) {
|
|
KMSVNC_FATAL("Failed to get framebuffer %u: %s\n", drm->plane->fb_id, strerror(errno));
|
|
}
|
|
drm->pixfmt_name = drmGetFormatName(drm->mfb->pixel_format);
|
|
drm->mod_vendor = drmGetFormatModifierVendor(drm->mfb->modifier);
|
|
drm->mod_name = drmGetFormatModifierName(drm->mfb->modifier);
|
|
printf("Template framebuffer is %u: %ux%u fourcc:%u mod:%lu flags:%u\n", drm->mfb->fb_id, drm->mfb->width, drm->mfb->height, drm->mfb->pixel_format, drm->mfb->modifier, drm->mfb->flags);
|
|
printf("handles %u %u %u %u\n", drm->mfb->handles[0], drm->mfb->handles[1], drm->mfb->handles[2], drm->mfb->handles[3]);
|
|
printf("offsets %u %u %u %u\n", drm->mfb->offsets[0], drm->mfb->offsets[1], drm->mfb->offsets[2], drm->mfb->offsets[3]);
|
|
printf("pitches %u %u %u %u\n", drm->mfb->pitches[0], drm->mfb->pitches[1], drm->mfb->pitches[2], drm->mfb->pitches[3]);
|
|
printf("format %s, modifier %s:%s\n", drm->pixfmt_name, drm->mod_vendor, drm->mod_name);
|
|
|
|
if (!drm->mfb->handles[0])
|
|
{
|
|
KMSVNC_FATAL("No handle set on framebuffer: maybe you need some additional capabilities?\n");
|
|
}
|
|
|
|
drm->mmap_fd = drm->drm_fd;
|
|
drm->mmap_size = drm->mfb->width * drm->mfb->height * BYTES_PER_PIXEL;
|
|
drm->funcs = malloc(sizeof(struct kmsvnc_drm_funcs));
|
|
if (!drm->funcs) KMSVNC_FATAL("memory allocation error at %s:%d\n", __FILE__, __LINE__);
|
|
drm->funcs->convert = convert_bgra_to_rgba;
|
|
drm->funcs->sync_start = drm_sync_noop;
|
|
drm->funcs->sync_end = drm_sync_noop;
|
|
|
|
if (drm_vendors()) return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int drm_kmsbuf_prime() {
|
|
struct kmsvnc_drm_data *drm = kmsvnc->drm;
|
|
|
|
int err = drmPrimeHandleToFD(drm->drm_fd, drm->mfb->handles[0], O_RDWR, &drm->prime_fd);
|
|
if (err < 0 || drm->prime_fd < 0)
|
|
{
|
|
KMSVNC_FATAL("Failed to get PRIME fd from framebuffer handle\n");
|
|
}
|
|
drm->funcs->sync_start = &drm_sync_start;
|
|
drm->funcs->sync_end = &drm_sync_end;
|
|
drm->mmap_fd = drm->prime_fd;
|
|
return 0;
|
|
}
|
|
|
|
static int drm_kmsbuf_prime_vaapi() {
|
|
struct kmsvnc_drm_data *drm = kmsvnc->drm;
|
|
|
|
int err = drmPrimeHandleToFD(drm->drm_fd, drm->mfb->handles[0], O_RDWR, &drm->prime_fd);
|
|
if (err < 0 || drm->prime_fd < 0)
|
|
{
|
|
KMSVNC_FATAL("Failed to get PRIME fd from framebuffer handle\n");
|
|
}
|
|
|
|
if (va_init()) return 1;
|
|
|
|
drm->mmap_fd = drm->prime_fd;
|
|
drm->skip_map = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int drm_kmsbuf_dumb() {
|
|
struct kmsvnc_drm_data *drm = kmsvnc->drm;
|
|
|
|
struct drm_gem_flink flink;
|
|
flink.handle = drm->mfb->handles[0];
|
|
DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_GEM_FLINK, &flink);
|
|
|
|
struct drm_gem_open open_arg;
|
|
open_arg.name = flink.name;
|
|
DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_GEM_OPEN, &open_arg);
|
|
|
|
struct drm_mode_map_dumb mreq;
|
|
memset(&mreq, 0, sizeof(mreq));
|
|
mreq.handle = open_arg.handle;
|
|
DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_MODE_MAP_DUMB, &mreq);
|
|
|
|
drm->mmap_size = open_arg.size;
|
|
drm->mmap_offset = mreq.offset;
|
|
return 0;
|
|
}
|
|
|
|
int drm_vendors() {
|
|
struct kmsvnc_drm_data *drm = kmsvnc->drm;
|
|
|
|
char *driver_name;
|
|
if (kmsvnc->force_driver) {
|
|
printf("using %s instead of %s\n", kmsvnc->force_driver, drm->drm_ver->name);
|
|
driver_name = kmsvnc->force_driver;
|
|
}
|
|
else {
|
|
driver_name = drm->drm_ver->name;
|
|
}
|
|
|
|
if (strcmp(driver_name, "i915") == 0 || strcmp(driver_name, "amdgpu") == 0)
|
|
{
|
|
if (fourcc_mod_is_vendor(drm->mfb->modifier, INTEL)) {
|
|
if (strstr(drm->mod_name, "CCS")) {
|
|
printf("warn: intel with CCS modifier detected, please set INTEL_DEBUG=noccs\n");
|
|
}
|
|
};
|
|
drm->funcs->convert = &convert_vaapi;
|
|
if (drm_kmsbuf_prime_vaapi()) return 1;
|
|
}
|
|
else if (strcmp(driver_name, "nvidia-drm") == 0)
|
|
{
|
|
if (check_pixfmt_non_vaapi()) return 1;
|
|
printf("warn: nvidia card detected. Currently only x-tiled framebuffer is supported. Performance may suffer.\n");
|
|
if (drm->mfb->modifier != DRM_FORMAT_MOD_NONE && drm->mfb->modifier != DRM_FORMAT_MOD_LINEAR) {
|
|
drm->funcs->convert = &convert_nvidia_x_tiled_kmsbuf;
|
|
}
|
|
if (drm_kmsbuf_dumb()) return 1;
|
|
}
|
|
else if (strcmp(driver_name, "vmwgfx") == 0 ||
|
|
strcmp(driver_name, "vboxvideo") == 0 ||
|
|
strcmp(driver_name, "virtio_gpu") == 0
|
|
)
|
|
{
|
|
if (check_pixfmt_non_vaapi()) return 1;
|
|
if (drm->mfb->modifier != DRM_FORMAT_MOD_NONE && drm->mfb->modifier != DRM_FORMAT_MOD_LINEAR) {
|
|
printf("warn: modifier is not LINEAR, please create an issue with your modifier.\n");
|
|
}
|
|
// virgl does not work
|
|
if (drm_kmsbuf_dumb()) return 1;
|
|
}
|
|
else if (strcmp(driver_name, "test-prime") == 0)
|
|
{
|
|
if (check_pixfmt_non_vaapi()) return 1;
|
|
if (drm_kmsbuf_prime()) return 1;
|
|
}
|
|
else if (strcmp(driver_name, "test-map-dumb") == 0)
|
|
{
|
|
if (check_pixfmt_non_vaapi()) return 1;
|
|
if (drm_kmsbuf_dumb()) return 1;
|
|
}
|
|
else if (strcmp(driver_name, "test-i915-gem") == 0)
|
|
{
|
|
if (check_pixfmt_non_vaapi()) return 1;
|
|
struct drm_gem_flink flink;
|
|
flink.handle = drm->mfb->handles[0];
|
|
DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_GEM_FLINK, &flink);
|
|
|
|
struct drm_gem_open open_arg;
|
|
open_arg.name = flink.name;
|
|
DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_GEM_OPEN, &open_arg);
|
|
|
|
struct drm_i915_gem_mmap_gtt mmap_arg;
|
|
mmap_arg.handle = open_arg.handle;
|
|
DRM_IOCTL_MUST(drm->drm_fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &mmap_arg);
|
|
drm->mmap_size = open_arg.size;
|
|
drm->mmap_offset = mmap_arg.offset;
|
|
}
|
|
else if (strcmp(driver_name, "test-i915-prime-xtiled") == 0)
|
|
{
|
|
if (check_pixfmt_non_vaapi()) return 1;
|
|
drm->funcs->convert = &convert_intel_x_tiled_kmsbuf;
|
|
if (drm_kmsbuf_prime()) return 1;
|
|
}
|
|
else
|
|
{
|
|
if (check_pixfmt_non_vaapi()) return 1;
|
|
fprintf(stderr, "Untested drm driver, use at your own risk!\n");
|
|
if (drm->mfb->modifier != DRM_FORMAT_MOD_NONE && drm->mfb->modifier != DRM_FORMAT_MOD_LINEAR) {
|
|
printf("warn: modifier is not LINEAR, please create an issue with your driver and modifier.\n");
|
|
}
|
|
if (drm_kmsbuf_dumb()) return 1;
|
|
}
|
|
|
|
if (!drm->skip_map && !drm->mapped)
|
|
{
|
|
printf("mapping with size = %lu, offset = %ld, fd = %d\n", drm->mmap_size, drm->mmap_offset, drm->mmap_fd);
|
|
drm->mapped = mmap(NULL, drm->mmap_size, PROT_READ, MAP_SHARED, drm->mmap_fd, drm->mmap_offset);
|
|
if (drm->mapped == MAP_FAILED)
|
|
{
|
|
KMSVNC_FATAL("Failed to mmap: %s\n", strerror(errno));
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|