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Use opengl capture for nvfbc (prepare for vulkan capture without cuda)

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dec05eba
2024-03-04 20:30:43 +01:00
parent d0c221a233
commit 0d89378021
14 changed files with 397 additions and 114 deletions
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205
src/egl.c
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@@ -1,5 +1,6 @@
#include "../include/egl.h"
#include "../include/library_loader.h"
#include "../include/utils.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
@@ -11,7 +12,9 @@
#include <unistd.h>
#include <sys/capability.h>
// Move this shit to a separate wayland file, and have a separate file for x11.
// TODO: rename gsr_egl to something else since this includes both egl and eglx and in the future maybe vulkan too
// TODO: Move this shit to a separate wayland file, and have a separate file for x11.
static void output_handle_geometry(void *data, struct wl_output *wl_output,
int32_t x, int32_t y, int32_t phys_width, int32_t phys_height,
@@ -131,6 +134,52 @@ static void reset_cap_nice(void) {
cap_free(caps);
}
#define GLX_DRAWABLE_TYPE 0x8010
#define GLX_RENDER_TYPE 0x8011
#define GLX_RGBA_BIT 0x00000001
#define GLX_WINDOW_BIT 0x00000001
#define GLX_PIXMAP_BIT 0x00000002
#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
#define GLX_DOUBLEBUFFER 5
#define GLX_RED_SIZE 8
#define GLX_GREEN_SIZE 9
#define GLX_BLUE_SIZE 10
#define GLX_ALPHA_SIZE 11
#define GLX_DEPTH_SIZE 12
#define GLX_RGBA_TYPE 0x8014
#define GLX_CONTEXT_PRIORITY_LEVEL_EXT 0x3100
#define GLX_CONTEXT_PRIORITY_HIGH_EXT 0x3101
#define GLX_CONTEXT_PRIORITY_MEDIUM_EXT 0x3102
#define GLX_CONTEXT_PRIORITY_LOW_EXT 0x3103
static GLXFBConfig glx_fb_config_choose(gsr_egl *self) {
const int glx_visual_attribs[] = {
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
// TODO:
//GLX_BIND_TO_TEXTURE_RGBA_EXT, 1,
//GLX_BIND_TO_TEXTURE_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
GLX_DOUBLEBUFFER, True,
GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_ALPHA_SIZE, 0,
GLX_DEPTH_SIZE, 0,
None, None
};
// TODO: Cleanup
int c = 0;
GLXFBConfig *fb_configs = self->glXChooseFBConfig(self->x11.dpy, DefaultScreen(self->x11.dpy), glx_visual_attribs, &c);
if(c == 0 || !fb_configs)
return NULL;
return fb_configs[0];
}
// TODO: Create egl context without surface (in other words, x11/wayland agnostic, doesn't require x11/wayland dependency)
static bool gsr_egl_create_window(gsr_egl *self, bool wayland) {
EGLConfig ecfg;
@@ -139,13 +188,13 @@ static bool gsr_egl_create_window(gsr_egl *self, bool wayland) {
const int32_t attr[] = {
EGL_BUFFER_SIZE, 24,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_NONE
EGL_NONE, EGL_NONE
};
const int32_t ctxattr[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_CONTEXT_PRIORITY_LEVEL_IMG, EGL_CONTEXT_PRIORITY_HIGH_IMG, /* requires cap_sys_nice, ignored otherwise */
EGL_NONE
EGL_NONE, EGL_NONE
};
if(wayland) {
@@ -215,7 +264,7 @@ static bool gsr_egl_create_window(gsr_egl *self, bool wayland) {
}
if(!self->eglMakeCurrent(self->egl_display, self->egl_surface, self->egl_surface, self->egl_context)) {
fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to make context current\n");
fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to make egl context current\n");
goto fail;
}
@@ -228,6 +277,50 @@ static bool gsr_egl_create_window(gsr_egl *self, bool wayland) {
return false;
}
static bool gsr_egl_switch_to_glx_context(gsr_egl *self) {
// TODO: Cleanup
if(self->egl_context) {
self->eglMakeCurrent(self->egl_display, NULL, NULL, NULL);
self->eglDestroyContext(self->egl_display, self->egl_context);
self->egl_context = NULL;
}
if(self->egl_surface) {
self->eglDestroySurface(self->egl_display, self->egl_surface);
self->egl_surface = NULL;
}
if(self->egl_display) {
self->eglTerminate(self->egl_display);
self->egl_display = NULL;
}
self->glx_fb_config = glx_fb_config_choose(self);
if(!self->glx_fb_config) {
fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to find a suitable fb config\n");
goto fail;
}
// TODO:
//self->glx_context = self->glXCreateContextAttribsARB(self->x11.dpy, self->glx_fb_config, NULL, True, context_attrib_list);
self->glx_context = self->glXCreateNewContext(self->x11.dpy, self->glx_fb_config, GLX_RGBA_TYPE, NULL, True);
if(!self->glx_context) {
fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to create glx context\n");
goto fail;
}
if(!self->glXMakeContextCurrent(self->x11.dpy, self->x11.window, self->x11.window, self->glx_context)) {
fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to make glx context current\n");
goto fail;
}
return true;
fail:
return false;
}
static bool gsr_egl_load_egl(gsr_egl *self, void *library) {
dlsym_assign required_dlsym[] = {
{ (void**)&self->eglGetError, "eglGetError" },
@@ -271,6 +364,35 @@ static bool gsr_egl_proc_load_egl(gsr_egl *self) {
return true;
}
static bool gsr_egl_load_glx(gsr_egl *self, void *library) {
dlsym_assign required_dlsym[] = {
{ (void**)&self->glXGetProcAddress, "glXGetProcAddress" },
{ (void**)&self->glXChooseFBConfig, "glXChooseFBConfig" },
{ (void**)&self->glXMakeContextCurrent, "glXMakeContextCurrent" },
{ (void**)&self->glXCreateNewContext, "glXCreateNewContext" },
{ (void**)&self->glXSwapBuffers, "glXSwapBuffers" },
{ NULL, NULL }
};
if(!dlsym_load_list(library, required_dlsym)) {
fprintf(stderr, "gsr error: gsr_egl_load failed: missing required symbols in libGLX.so.0\n");
return false;
}
self->glXCreateContextAttribsARB = (FUNC_glXCreateContextAttribsARB)self->glXGetProcAddress((const unsigned char*)"glXCreateContextAttribsARB");
if(!self->glXCreateContextAttribsARB) {
fprintf(stderr, "gsr error: gsr_egl_load_glx failed: could not find glXCreateContextAttribsARB\n");
return false;
}
self->glXSwapIntervalEXT = (FUNC_glXSwapIntervalEXT)self->glXGetProcAddress((const unsigned char*)"glXSwapIntervalEXT");
self->glXSwapIntervalMESA = (FUNC_glXSwapIntervalMESA)self->glXGetProcAddress((const unsigned char*)"glXSwapIntervalMESA");
self->glXSwapIntervalSGI = (FUNC_glXSwapIntervalSGI)self->glXGetProcAddress((const unsigned char*)"glXSwapIntervalSGI");
return true;
}
static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
dlsym_assign required_dlsym[] = {
{ (void**)&self->glGetError, "glGetError" },
@@ -283,6 +405,7 @@ static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
{ (void**)&self->glDeleteTextures, "glDeleteTextures" },
{ (void**)&self->glBindTexture, "glBindTexture" },
{ (void**)&self->glTexParameteri, "glTexParameteri" },
{ (void**)&self->glTexParameteriv, "glTexParameteriv" },
{ (void**)&self->glGetTexLevelParameteriv, "glGetTexLevelParameteriv" },
{ (void**)&self->glTexImage2D, "glTexImage2D" },
{ (void**)&self->glCopyImageSubData, "glCopyImageSubData" },
@@ -324,6 +447,7 @@ static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
{ (void**)&self->glGetUniformLocation, "glGetUniformLocation" },
{ (void**)&self->glUniform1f, "glUniform1f" },
{ (void**)&self->glUniform2f, "glUniform2f" },
{ (void**)&self->glDebugMessageCallback, "glDebugMessageCallback" },
{ NULL, NULL }
};
@@ -336,30 +460,56 @@ static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
return true;
}
bool gsr_egl_load(gsr_egl *self, Display *dpy, bool wayland) {
// #define GL_DEBUG_TYPE_ERROR 0x824C
// static void debug_callback( unsigned int source,
// unsigned int type,
// unsigned int id,
// unsigned int severity,
// int length,
// const char* message,
// const void* userParam )
// {
// (void)source;
// (void)id;
// (void)length;
// (void)userParam;
// fprintf( stderr, "GL CALLBACK: %s type = 0x%x, severity = 0x%x, message = %s\n",
// ( type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : "" ),
// type, severity, message );
// }
bool gsr_egl_load(gsr_egl *self, Display *dpy, bool wayland, bool is_monitor_capture) {
(void)is_monitor_capture;
memset(self, 0, sizeof(gsr_egl));
self->x11.dpy = dpy;
void *egl_lib = NULL;
void *gl_lib = NULL;
self->context_type = GSR_GL_CONTEXT_TYPE_EGL;
dlerror(); /* clear */
egl_lib = dlopen("libEGL.so.1", RTLD_LAZY);
if(!egl_lib) {
self->egl_library = dlopen("libEGL.so.1", RTLD_LAZY);
if(!self->egl_library) {
fprintf(stderr, "gsr error: gsr_egl_load: failed to load libEGL.so.1, error: %s\n", dlerror());
goto fail;
}
gl_lib = dlopen("libGL.so.1", RTLD_LAZY);
if(!egl_lib) {
self->glx_library = dlopen("libGLX.so.0", RTLD_LAZY);
if(!self->glx_library) {
fprintf(stderr, "gsr error: gsr_egl_load: failed to load libGLX.so.0, error: %s\n", dlerror());
goto fail;
}
self->gl_library = dlopen("libGL.so.1", RTLD_LAZY);
if(!self->egl_library) {
fprintf(stderr, "gsr error: gsr_egl_load: failed to load libGL.so.1, error: %s\n", dlerror());
goto fail;
}
if(!gsr_egl_load_egl(self, egl_lib))
if(!gsr_egl_load_egl(self, self->egl_library))
goto fail;
if(!gsr_egl_load_gl(self, gl_lib))
if(!gsr_egl_load_glx(self, self->glx_library))
goto fail;
if(!gsr_egl_load_gl(self, self->gl_library))
goto fail;
if(!gsr_egl_proc_load_egl(self))
@@ -368,24 +518,32 @@ bool gsr_egl_load(gsr_egl *self, Display *dpy, bool wayland) {
if(!gsr_egl_create_window(self, wayland))
goto fail;
if(!gl_get_gpu_info(self, &self->gpu_info))
goto fail;
/* Nvfbc requires glx */
if(!wayland && is_monitor_capture && self->gpu_info.vendor == GSR_GPU_VENDOR_NVIDIA) {
self->context_type = GSR_GL_CONTEXT_TYPE_GLX;
if(!gsr_egl_switch_to_glx_context(self))
goto fail;
}
self->glEnable(GL_BLEND);
self->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
self->egl_library = egl_lib;
self->gl_library = gl_lib;
//self->glEnable(GL_DEBUG_OUTPUT);
//self->glDebugMessageCallback(debug_callback, NULL);
return true;
fail:
if(egl_lib)
dlclose(egl_lib);
if(gl_lib)
dlclose(gl_lib);
memset(self, 0, sizeof(gsr_egl));
gsr_egl_unload(self);
return false;
}
void gsr_egl_unload(gsr_egl *self) {
if(self->egl_context) {
self->eglMakeCurrent(self->egl_display, NULL, NULL, NULL);
self->eglDestroyContext(self->egl_display, self->egl_context);
self->egl_context = NULL;
}
@@ -448,6 +606,11 @@ void gsr_egl_unload(gsr_egl *self) {
self->egl_library = NULL;
}
if(self->glx_library) {
dlclose(self->glx_library);
self->glx_library = NULL;
}
if(self->gl_library) {
dlclose(self->gl_library);
self->gl_library = NULL;