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gpu-screen-recorder/src/capture/kms_cuda.c
dec05eba 4d8a9e2e1d Pool size 20 for vaapi
2024-03-08 11:34:36 +01:00

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#include "../../include/capture/kms_cuda.h"
#include "../../kms/client/kms_client.h"
#include "../../include/utils.h"
#include "../../include/color_conversion.h"
#include "../../include/cuda.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <assert.h>
#include <libavutil/hwcontext.h>
#include <libavutil/hwcontext_cuda.h>
#include <libavutil/mastering_display_metadata.h>
#include <libavutil/frame.h>
#include <libavcodec/avcodec.h>
/*
TODO: Use dummy pool for cuda buffer so we can create our own cuda buffers from pixel buffer objects
and copy the input textures to the pixel buffer objects. Use sw_format NV12 as well. Then this is
similar to kms_vaapi. This allows us to remove one extra texture and texture copy.
*/
// TODO: Wayland capture
#define MAX_CONNECTOR_IDS 32
typedef struct {
uint32_t connector_ids[MAX_CONNECTOR_IDS];
int num_connector_ids;
} MonitorId;
typedef struct {
gsr_capture_kms_cuda_params params;
bool should_stop;
bool stop_is_error;
bool created_hw_frame;
gsr_cuda cuda;
gsr_kms_client kms_client;
gsr_kms_response kms_response;
vec2i capture_pos;
vec2i capture_size;
MonitorId monitor_id;
CUgraphicsResource cuda_graphics_resource;
CUarray mapped_array;
unsigned int input_texture;
unsigned int cursor_texture;
unsigned int target_texture;
gsr_color_conversion color_conversion;
AVCodecContext *video_codec_context;
AVMasteringDisplayMetadata *mastering_display_metadata;
AVContentLightMetadata *light_metadata;
gsr_monitor_rotation monitor_rotation;
} gsr_capture_kms_cuda;
static int max_int(int a, int b) {
return a > b ? a : b;
}
static void gsr_capture_kms_cuda_stop(gsr_capture *cap, AVCodecContext *video_codec_context);
static bool cuda_create_codec_context(gsr_capture_kms_cuda *cap_kms, AVCodecContext *video_codec_context) {
CUcontext old_ctx;
cap_kms->cuda.cuCtxPushCurrent_v2(cap_kms->cuda.cu_ctx);
AVBufferRef *device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA);
if(!device_ctx) {
fprintf(stderr, "Error: Failed to create hardware device context\n");
cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
return false;
}
AVHWDeviceContext *hw_device_context = (AVHWDeviceContext*)device_ctx->data;
AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx;
cuda_device_context->cuda_ctx = cap_kms->cuda.cu_ctx;
if(av_hwdevice_ctx_init(device_ctx) < 0) {
fprintf(stderr, "Error: Failed to create hardware device context\n");
av_buffer_unref(&device_ctx);
cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
return false;
}
AVBufferRef *frame_context = av_hwframe_ctx_alloc(device_ctx);
if(!frame_context) {
fprintf(stderr, "Error: Failed to create hwframe context\n");
av_buffer_unref(&device_ctx);
cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
return false;
}
AVHWFramesContext *hw_frame_context =
(AVHWFramesContext *)frame_context->data;
hw_frame_context->width = video_codec_context->width;
hw_frame_context->height = video_codec_context->height;
hw_frame_context->sw_format = AV_PIX_FMT_BGR0;
hw_frame_context->format = video_codec_context->pix_fmt;
hw_frame_context->device_ref = device_ctx;
hw_frame_context->device_ctx = (AVHWDeviceContext*)device_ctx->data;
if (av_hwframe_ctx_init(frame_context) < 0) {
fprintf(stderr, "Error: Failed to initialize hardware frame context "
"(note: ffmpeg version needs to be > 4.0)\n");
av_buffer_unref(&device_ctx);
//av_buffer_unref(&frame_context);
cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
return false;
}
video_codec_context->hw_device_ctx = av_buffer_ref(device_ctx);
video_codec_context->hw_frames_ctx = av_buffer_ref(frame_context);
return true;
}
// TODO: On monitor reconfiguration, find monitor x, y, width and height again. Do the same for nvfbc.
typedef struct {
gsr_capture_kms_cuda *cap_kms;
const char *monitor_to_capture;
int monitor_to_capture_len;
int num_monitors;
} MonitorCallbackUserdata;
static void monitor_callback(const gsr_monitor *monitor, void *userdata) {
MonitorCallbackUserdata *monitor_callback_userdata = userdata;
++monitor_callback_userdata->num_monitors;
if(monitor_callback_userdata->monitor_to_capture_len != monitor->name_len || memcmp(monitor_callback_userdata->monitor_to_capture, monitor->name, monitor->name_len) != 0)
return;
if(monitor_callback_userdata->cap_kms->monitor_id.num_connector_ids < MAX_CONNECTOR_IDS) {
monitor_callback_userdata->cap_kms->monitor_id.connector_ids[monitor_callback_userdata->cap_kms->monitor_id.num_connector_ids] = monitor->connector_id;
++monitor_callback_userdata->cap_kms->monitor_id.num_connector_ids;
}
if(monitor_callback_userdata->cap_kms->monitor_id.num_connector_ids == MAX_CONNECTOR_IDS)
fprintf(stderr, "gsr warning: reached max connector ids\n");
}
static int gsr_capture_kms_cuda_start(gsr_capture *cap, AVCodecContext *video_codec_context) {
gsr_capture_kms_cuda *cap_kms = cap->priv;
cap_kms->video_codec_context = video_codec_context;
gsr_monitor monitor;
cap_kms->monitor_id.num_connector_ids = 0;
int kms_init_res = gsr_kms_client_init(&cap_kms->kms_client, cap_kms->params.egl->card_path);
if(kms_init_res != 0) {
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return kms_init_res;
}
MonitorCallbackUserdata monitor_callback_userdata = {
cap_kms,
cap_kms->params.display_to_capture, strlen(cap_kms->params.display_to_capture),
0
};
for_each_active_monitor_output(cap_kms->params.egl, GSR_CONNECTION_DRM, monitor_callback, &monitor_callback_userdata);
if(!get_monitor_by_name(cap_kms->params.egl, GSR_CONNECTION_DRM, cap_kms->params.display_to_capture, &monitor)) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to find monitor by name \"%s\"\n", cap_kms->params.display_to_capture);
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
monitor.name = cap_kms->params.display_to_capture;
cap_kms->monitor_rotation = drm_monitor_get_display_server_rotation(cap_kms->params.egl, &monitor);
cap_kms->capture_pos = monitor.pos;
if(cap_kms->monitor_rotation == GSR_MONITOR_ROT_90 || cap_kms->monitor_rotation == GSR_MONITOR_ROT_270) {
cap_kms->capture_size.x = monitor.size.y;
cap_kms->capture_size.y = monitor.size.x;
} else {
cap_kms->capture_size = monitor.size;
}
video_codec_context->width = max_int(2, cap_kms->capture_size.x & ~1);
video_codec_context->height = max_int(2, cap_kms->capture_size.y & ~1);
/* Disable vsync */
cap_kms->params.egl->eglSwapInterval(cap_kms->params.egl->egl_display, 0);
// TODO: overclocking is not supported on wayland...
if(!gsr_cuda_load(&cap_kms->cuda, NULL, false)) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to load cuda\n");
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
if(!cuda_create_codec_context(cap_kms, video_codec_context)) {
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
return 0;
}
static unsigned int gl_create_texture(gsr_capture_kms_cuda *cap_kms, int width, int height) {
unsigned int texture_id = 0;
cap_kms->params.egl->glGenTextures(1, &texture_id);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_2D, texture_id);
cap_kms->params.egl->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
return texture_id;
}
static bool cuda_register_opengl_texture(gsr_capture_kms_cuda *cap_kms) {
CUresult res;
CUcontext old_ctx;
res = cap_kms->cuda.cuCtxPushCurrent_v2(cap_kms->cuda.cu_ctx);
// TODO: Use cuGraphicsEGLRegisterImage instead with the window egl image (dont use window_texture).
// That removes the need for an extra texture and texture copy
res = cap_kms->cuda.cuGraphicsGLRegisterImage(
&cap_kms->cuda_graphics_resource, cap_kms->target_texture, GL_TEXTURE_2D,
CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
if (res != CUDA_SUCCESS) {
const char *err_str = "unknown";
cap_kms->cuda.cuGetErrorString(res, &err_str);
fprintf(stderr, "gsr error: cuda_register_opengl_texture: cuGraphicsGLRegisterImage failed, error: %s, texture " "id: %u\n", err_str, cap_kms->target_texture);
res = cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
return false;
}
res = cap_kms->cuda.cuGraphicsResourceSetMapFlags(cap_kms->cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
res = cap_kms->cuda.cuGraphicsMapResources(1, &cap_kms->cuda_graphics_resource, 0);
res = cap_kms->cuda.cuGraphicsSubResourceGetMappedArray(&cap_kms->mapped_array, cap_kms->cuda_graphics_resource, 0, 0);
res = cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
return true;
}
static void gsr_capture_kms_cuda_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
gsr_capture_kms_cuda *cap_kms = cap->priv;
if(!cap_kms->created_hw_frame) {
cap_kms->created_hw_frame = true;
av_frame_free(frame);
*frame = av_frame_alloc();
if(!frame) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_tick: failed to allocate frame\n");
cap_kms->should_stop = true;
cap_kms->stop_is_error = true;
return;
}
(*frame)->format = video_codec_context->pix_fmt;
(*frame)->width = video_codec_context->width;
(*frame)->height = video_codec_context->height;
(*frame)->color_range = video_codec_context->color_range;
(*frame)->color_primaries = video_codec_context->color_primaries;
(*frame)->color_trc = video_codec_context->color_trc;
(*frame)->colorspace = video_codec_context->colorspace;
(*frame)->chroma_location = video_codec_context->chroma_sample_location;
if(av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, *frame, 0) < 0) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_tick: av_hwframe_get_buffer failed\n");
cap_kms->should_stop = true;
cap_kms->stop_is_error = true;
return;
}
cap_kms->params.egl->glGenTextures(1, &cap_kms->input_texture);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_2D, cap_kms->input_texture);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
cap_kms->params.egl->glGenTextures(1, &cap_kms->cursor_texture);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_EXTERNAL_OES, cap_kms->cursor_texture);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
cap_kms->params.egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_EXTERNAL_OES, 0);
cap_kms->target_texture = gl_create_texture(cap_kms, video_codec_context->width, video_codec_context->height);
if(cap_kms->target_texture == 0) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_tick: failed to create opengl texture\n");
cap_kms->should_stop = true;
cap_kms->stop_is_error = true;
return;
}
if(!cuda_register_opengl_texture(cap_kms)) {
cap_kms->should_stop = true;
cap_kms->stop_is_error = true;
return;
}
gsr_color_conversion_params color_conversion_params = {0};
color_conversion_params.egl = cap_kms->params.egl;
color_conversion_params.source_color = GSR_SOURCE_COLOR_RGB;
color_conversion_params.destination_color = GSR_DESTINATION_COLOR_BGR;
color_conversion_params.destination_textures[0] = cap_kms->target_texture;
color_conversion_params.num_destination_textures = 1;
if(gsr_color_conversion_init(&cap_kms->color_conversion, &color_conversion_params) != 0) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_tick: failed to create color conversion\n");
cap_kms->should_stop = true;
cap_kms->stop_is_error = true;
return;
}
}
}
static bool gsr_capture_kms_cuda_should_stop(gsr_capture *cap, bool *err) {
gsr_capture_kms_cuda *cap_kms = cap->priv;
if(cap_kms->should_stop) {
if(err)
*err = cap_kms->stop_is_error;
return true;
}
if(err)
*err = false;
return false;
}
static float monitor_rotation_to_radians(gsr_monitor_rotation rot) {
switch(rot) {
case GSR_MONITOR_ROT_0: return 0.0f;
case GSR_MONITOR_ROT_90: return M_PI_2;
case GSR_MONITOR_ROT_180: return M_PI;
case GSR_MONITOR_ROT_270: return M_PI + M_PI_2;
}
return 0.0f;
}
/* Prefer non combined planes */
static gsr_kms_response_fd* find_drm_by_connector_id(gsr_kms_response *kms_response, uint32_t connector_id) {
int index_combined = -1;
for(int i = 0; i < kms_response->num_fds; ++i) {
if(kms_response->fds[i].connector_id == connector_id && !kms_response->fds[i].is_cursor) {
if(kms_response->fds[i].is_combined_plane)
index_combined = i;
else
return &kms_response->fds[i];
}
}
if(index_combined != -1)
return &kms_response->fds[index_combined];
else
return NULL;
}
static gsr_kms_response_fd* find_first_combined_drm(gsr_kms_response *kms_response) {
for(int i = 0; i < kms_response->num_fds; ++i) {
if(kms_response->fds[i].is_combined_plane && !kms_response->fds[i].is_cursor)
return &kms_response->fds[i];
}
return NULL;
}
static gsr_kms_response_fd* find_largest_drm(gsr_kms_response *kms_response) {
if(kms_response->num_fds == 0)
return NULL;
int64_t largest_size = 0;
gsr_kms_response_fd *largest_drm = &kms_response->fds[0];
for(int i = 0; i < kms_response->num_fds; ++i) {
const int64_t size = (int64_t)kms_response->fds[i].width * (int64_t)kms_response->fds[i].height;
if(size > largest_size && !kms_response->fds[i].is_cursor) {
largest_size = size;
largest_drm = &kms_response->fds[i];
}
}
return largest_drm;
}
static void gsr_capture_kms_unload_cuda_graphics(gsr_capture_kms_cuda *cap_kms) {
if(cap_kms->cuda.cu_ctx) {
CUcontext old_ctx;
cap_kms->cuda.cuCtxPushCurrent_v2(cap_kms->cuda.cu_ctx);
if(cap_kms->cuda_graphics_resource) {
cap_kms->cuda.cuGraphicsUnmapResources(1, &cap_kms->cuda_graphics_resource, 0);
cap_kms->cuda.cuGraphicsUnregisterResource(cap_kms->cuda_graphics_resource);
cap_kms->cuda_graphics_resource = 0;
}
cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
}
}
static gsr_kms_response_fd* find_cursor_drm(gsr_kms_response *kms_response) {
for(int i = 0; i < kms_response->num_fds; ++i) {
if(kms_response->fds[i].is_cursor)
return &kms_response->fds[i];
}
return NULL;
}
#define HDMI_STATIC_METADATA_TYPE1 0
#define HDMI_EOTF_SMPTE_ST2084 2
static bool hdr_metadata_is_supported_format(const struct hdr_output_metadata *hdr_metadata) {
return hdr_metadata->metadata_type == HDMI_STATIC_METADATA_TYPE1 &&
hdr_metadata->hdmi_metadata_type1.metadata_type == HDMI_STATIC_METADATA_TYPE1 &&
hdr_metadata->hdmi_metadata_type1.eotf == HDMI_EOTF_SMPTE_ST2084;
}
static void gsr_capture_kms_vaapi_set_hdr_metadata(gsr_capture_kms_cuda *cap_kms, AVFrame *frame, gsr_kms_response_fd *drm_fd) {
if(!cap_kms->mastering_display_metadata)
cap_kms->mastering_display_metadata = av_mastering_display_metadata_create_side_data(frame);
if(!cap_kms->light_metadata)
cap_kms->light_metadata = av_content_light_metadata_create_side_data(frame);
if(cap_kms->mastering_display_metadata) {
for(int i = 0; i < 3; ++i) {
cap_kms->mastering_display_metadata->display_primaries[i][0] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.display_primaries[i].x, 50000);
cap_kms->mastering_display_metadata->display_primaries[i][1] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.display_primaries[i].y, 50000);
}
cap_kms->mastering_display_metadata->white_point[0] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.white_point.x, 50000);
cap_kms->mastering_display_metadata->white_point[1] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.white_point.y, 50000);
cap_kms->mastering_display_metadata->min_luminance = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.min_display_mastering_luminance, 10000);
cap_kms->mastering_display_metadata->max_luminance = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.max_display_mastering_luminance, 1);
cap_kms->mastering_display_metadata->has_primaries = cap_kms->mastering_display_metadata->display_primaries[0][0].num > 0;
cap_kms->mastering_display_metadata->has_luminance = cap_kms->mastering_display_metadata->max_luminance.num > 0;
}
if(cap_kms->light_metadata) {
cap_kms->light_metadata->MaxCLL = drm_fd->hdr_metadata.hdmi_metadata_type1.max_cll;
cap_kms->light_metadata->MaxFALL = drm_fd->hdr_metadata.hdmi_metadata_type1.max_fall;
}
}
static vec2i swap_vec2i(vec2i value) {
int tmp = value.x;
value.x = value.y;
value.y = tmp;
return value;
}
static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) {
(void)frame;
gsr_capture_kms_cuda *cap_kms = cap->priv;
cap_kms->params.egl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
cap_kms->params.egl->glClear(GL_COLOR_BUFFER_BIT);
for(int i = 0; i < cap_kms->kms_response.num_fds; ++i) {
if(cap_kms->kms_response.fds[i].fd > 0)
close(cap_kms->kms_response.fds[i].fd);
cap_kms->kms_response.fds[i].fd = 0;
}
cap_kms->kms_response.num_fds = 0;
gsr_kms_response_fd *drm_fd = NULL;
gsr_kms_response_fd *cursor_drm_fd = NULL;
bool capture_is_combined_plane = false;
if(gsr_kms_client_get_kms(&cap_kms->kms_client, &cap_kms->kms_response) != 0) {
fprintf(stderr, "gsr error: gsr_capture_kms_vaapi_capture: failed to get kms, error: %d (%s)\n", cap_kms->kms_response.result, cap_kms->kms_response.err_msg);
return -1;
}
if(cap_kms->kms_response.num_fds == 0) {
static bool error_shown = false;
if(!error_shown) {
error_shown = true;
fprintf(stderr, "gsr error: no drm found, capture will fail\n");
}
return -1;
}
for(int i = 0; i < cap_kms->monitor_id.num_connector_ids; ++i) {
drm_fd = find_drm_by_connector_id(&cap_kms->kms_response, cap_kms->monitor_id.connector_ids[i]);
if(drm_fd)
break;
}
// Will never happen on wayland unless the target monitor has been disconnected
if(!drm_fd) {
drm_fd = find_first_combined_drm(&cap_kms->kms_response);
if(!drm_fd)
drm_fd = find_largest_drm(&cap_kms->kms_response);
capture_is_combined_plane = true;
}
cursor_drm_fd = find_cursor_drm(&cap_kms->kms_response);
if(!drm_fd)
return -1;
if(!capture_is_combined_plane && cursor_drm_fd && cursor_drm_fd->connector_id != drm_fd->connector_id)
cursor_drm_fd = NULL;
if(drm_fd->has_hdr_metadata && cap_kms->params.hdr && hdr_metadata_is_supported_format(&drm_fd->hdr_metadata))
gsr_capture_kms_vaapi_set_hdr_metadata(cap_kms, frame, drm_fd);
const intptr_t img_attr[] = {
//EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
EGL_LINUX_DRM_FOURCC_EXT, drm_fd->pixel_format,//cap_kms->params.egl->pixel_format, ARGB8888
EGL_WIDTH, drm_fd->width,//cap_kms->params.egl->width,
EGL_HEIGHT, drm_fd->height,//cap_kms->params.egl->height,
EGL_DMA_BUF_PLANE0_FD_EXT, drm_fd->fd,//cap_kms->params.egl->fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, drm_fd->offset,//cap_kms->params.egl->offset,
EGL_DMA_BUF_PLANE0_PITCH_EXT, drm_fd->pitch,//cap_kms->params.egl->pitch,
EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, drm_fd->modifier & 0xFFFFFFFFULL,//cap_kms->params.egl->modifier & 0xFFFFFFFFULL,
EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, drm_fd->modifier >> 32ULL,//cap_kms->params.egl->modifier >> 32ULL,
EGL_NONE
};
EGLImage image = cap_kms->params.egl->eglCreateImage(cap_kms->params.egl->egl_display, 0, EGL_LINUX_DMA_BUF_EXT, NULL, img_attr);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_2D, cap_kms->input_texture);
cap_kms->params.egl->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
cap_kms->params.egl->eglDestroyImage(cap_kms->params.egl->egl_display, image);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
vec2i capture_pos = cap_kms->capture_pos;
if(!capture_is_combined_plane)
capture_pos = (vec2i){drm_fd->x, drm_fd->y};
const float texture_rotation = monitor_rotation_to_radians(cap_kms->monitor_rotation);
gsr_color_conversion_draw(&cap_kms->color_conversion, cap_kms->input_texture,
(vec2i){0, 0}, cap_kms->capture_size,
capture_pos, cap_kms->capture_size,
texture_rotation, false);
if(cursor_drm_fd) {
const vec2i cursor_size = {cursor_drm_fd->width, cursor_drm_fd->height};
vec2i cursor_pos = {cursor_drm_fd->x, cursor_drm_fd->y};
switch(cap_kms->monitor_rotation) {
case GSR_MONITOR_ROT_0:
break;
case GSR_MONITOR_ROT_90:
cursor_pos = swap_vec2i(cursor_pos);
cursor_pos.x = cap_kms->capture_size.x - cursor_pos.x;
// TODO: Remove this horrible hack
cursor_pos.x -= cursor_size.x;
break;
case GSR_MONITOR_ROT_180:
cursor_pos.x = cap_kms->capture_size.x - cursor_pos.x;
cursor_pos.y = cap_kms->capture_size.y - cursor_pos.y;
// TODO: Remove this horrible hack
cursor_pos.x -= cursor_size.x;
cursor_pos.y -= cursor_size.y;
break;
case GSR_MONITOR_ROT_270:
cursor_pos = swap_vec2i(cursor_pos);
cursor_pos.y = cap_kms->capture_size.y - cursor_pos.y;
// TODO: Remove this horrible hack
cursor_pos.y -= cursor_size.y;
break;
}
const intptr_t img_attr_cursor[] = {
EGL_LINUX_DRM_FOURCC_EXT, cursor_drm_fd->pixel_format,
EGL_WIDTH, cursor_drm_fd->width,
EGL_HEIGHT, cursor_drm_fd->height,
EGL_DMA_BUF_PLANE0_FD_EXT, cursor_drm_fd->fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, cursor_drm_fd->offset,
EGL_DMA_BUF_PLANE0_PITCH_EXT, cursor_drm_fd->pitch,
EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, cursor_drm_fd->modifier & 0xFFFFFFFFULL,
EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, cursor_drm_fd->modifier >> 32ULL,
EGL_NONE
};
EGLImage cursor_image = cap_kms->params.egl->eglCreateImage(cap_kms->params.egl->egl_display, 0, EGL_LINUX_DMA_BUF_EXT, NULL, img_attr_cursor);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_EXTERNAL_OES, cap_kms->cursor_texture);
cap_kms->params.egl->glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, cursor_image);
cap_kms->params.egl->eglDestroyImage(cap_kms->params.egl->egl_display, cursor_image);
cap_kms->params.egl->glBindTexture(GL_TEXTURE_EXTERNAL_OES, 0);
gsr_color_conversion_draw(&cap_kms->color_conversion, cap_kms->cursor_texture,
cursor_pos, cursor_size,
(vec2i){0, 0}, cursor_size,
texture_rotation, true);
}
cap_kms->params.egl->eglSwapBuffers(cap_kms->params.egl->egl_display, cap_kms->params.egl->egl_surface);
frame->linesize[0] = frame->width * 4;
CUDA_MEMCPY2D memcpy_struct;
memcpy_struct.srcXInBytes = 0;
memcpy_struct.srcY = 0;
memcpy_struct.srcMemoryType = CU_MEMORYTYPE_ARRAY;
memcpy_struct.dstXInBytes = 0;
memcpy_struct.dstY = 0;
memcpy_struct.dstMemoryType = CU_MEMORYTYPE_DEVICE;
memcpy_struct.srcArray = cap_kms->mapped_array;
memcpy_struct.srcPitch = frame->linesize[0];
memcpy_struct.dstDevice = (CUdeviceptr)frame->data[0];
memcpy_struct.dstPitch = frame->linesize[0];
memcpy_struct.WidthInBytes = frame->width * 4;
memcpy_struct.Height = frame->height;
cap_kms->cuda.cuMemcpy2D_v2(&memcpy_struct);
return 0;
}
static void gsr_capture_kms_cuda_capture_end(gsr_capture *cap, AVFrame *frame) {
(void)frame;
gsr_capture_kms_cuda *cap_kms = cap->priv;
for(int i = 0; i < cap_kms->kms_response.num_fds; ++i) {
if(cap_kms->kms_response.fds[i].fd > 0)
close(cap_kms->kms_response.fds[i].fd);
cap_kms->kms_response.fds[i].fd = 0;
}
cap_kms->kms_response.num_fds = 0;
}
static void gsr_capture_kms_cuda_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
gsr_capture_kms_cuda *cap_kms = cap->priv;
gsr_color_conversion_deinit(&cap_kms->color_conversion);
gsr_capture_kms_unload_cuda_graphics(cap_kms);
if(cap_kms->params.egl->egl_context) {
if(cap_kms->input_texture) {
cap_kms->params.egl->glDeleteTextures(1, &cap_kms->input_texture);
cap_kms->input_texture = 0;
}
if(cap_kms->cursor_texture) {
cap_kms->params.egl->glDeleteTextures(1, &cap_kms->cursor_texture);
cap_kms->cursor_texture = 0;
}
if(cap_kms->target_texture) {
cap_kms->params.egl->glDeleteTextures(1, &cap_kms->target_texture);
cap_kms->target_texture = 0;
}
}
for(int i = 0; i < cap_kms->kms_response.num_fds; ++i) {
if(cap_kms->kms_response.fds[i].fd > 0)
close(cap_kms->kms_response.fds[i].fd);
cap_kms->kms_response.fds[i].fd = 0;
}
cap_kms->kms_response.num_fds = 0;
if(video_codec_context->hw_device_ctx)
av_buffer_unref(&video_codec_context->hw_device_ctx);
if(video_codec_context->hw_frames_ctx)
av_buffer_unref(&video_codec_context->hw_frames_ctx);
gsr_cuda_unload(&cap_kms->cuda);
gsr_kms_client_deinit(&cap_kms->kms_client);
}
static void gsr_capture_kms_cuda_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
(void)video_codec_context;
gsr_capture_kms_cuda *cap_kms = cap->priv;
if(cap->priv) {
gsr_capture_kms_cuda_stop(cap, video_codec_context);
free((void*)cap_kms->params.display_to_capture);
cap_kms->params.display_to_capture = NULL;
free(cap->priv);
cap->priv = NULL;
}
free(cap);
}
gsr_capture* gsr_capture_kms_cuda_create(const gsr_capture_kms_cuda_params *params) {
if(!params) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_create params is NULL\n");
return NULL;
}
gsr_capture *cap = calloc(1, sizeof(gsr_capture));
if(!cap)
return NULL;
gsr_capture_kms_cuda *cap_kms = calloc(1, sizeof(gsr_capture_kms_cuda));
if(!cap_kms) {
free(cap);
return NULL;
}
const char *display_to_capture = strdup(params->display_to_capture);
if(!display_to_capture) {
free(cap);
free(cap_kms);
return NULL;
}
cap_kms->params = *params;
cap_kms->params.display_to_capture = display_to_capture;
*cap = (gsr_capture) {
.start = gsr_capture_kms_cuda_start,
.tick = gsr_capture_kms_cuda_tick,
.should_stop = gsr_capture_kms_cuda_should_stop,
.capture = gsr_capture_kms_cuda_capture,
.capture_end = gsr_capture_kms_cuda_capture_end,
.destroy = gsr_capture_kms_cuda_destroy,
.priv = cap_kms
};
return cap;
}
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