mirrors/looking-glass
2
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2025-03-05 16:20:50 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

[client] egl: actually do front buffer rendering

Browse source
This commit is contained in:
Geoffrey McRae 2020-12-31 15:31:24 +11:00
parent 1e4e582f67
commit bf1eba15d1
2 changed files with 31 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
client/renderers/EGL/egl.c
View file

@ -48,6 +48,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
struct Options struct Options
{ {
bool vsync; bool vsync;
bool doubleBuffer;
}; };
struct Inst struct Inst
@ -175,7 +176,8 @@ bool egl_create(void ** opaque, const LG_RendererParams params)
struct Inst * this = (struct Inst *)*opaque; struct Inst * this = (struct Inst *)*opaque;
memcpy(&this->params, &params, sizeof(LG_RendererParams)); memcpy(&this->params, &params, sizeof(LG_RendererParams));
this->opt.vsync = option_get_bool("egl", "vsync"); this->opt.vsync = option_get_bool("egl", "vsync");
this->opt.doubleBuffer = option_get_bool("egl", "doubleBuffer");
this->translateX = 0; this->translateX = 0;
this->translateY = 0; this->translateY = 0;
@ -196,11 +198,11 @@ bool egl_create(void ** opaque, const LG_RendererParams params)
bool egl_initialize(void * opaque, Uint32 * sdlFlags) bool egl_initialize(void * opaque, Uint32 * sdlFlags)
{ {
const bool doubleBuffer = option_get_bool("egl", "doubleBuffer"); struct Inst * this = (struct Inst *)opaque;
DEBUG_INFO("Double buffering is %s", doubleBuffer ? "on" : "off"); DEBUG_INFO("Double buffering is %s", this->opt.doubleBuffer ? "on" : "off");
*sdlFlags = SDL_WINDOW_OPENGL; *sdlFlags = SDL_WINDOW_OPENGL;
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER , doubleBuffer ? 1 : 0); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER , this->opt.doubleBuffer ? 1 : 0);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK , SDL_GL_CONTEXT_PROFILE_CORE); SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK , SDL_GL_CONTEXT_PROFILE_CORE);
if (option_get_bool("egl", "multisample")) if (option_get_bool("egl", "multisample"))
@ -500,7 +502,13 @@ bool egl_render_startup(void * opaque, SDL_Window * window)
return false; return false;
} }
this->surface = eglCreateWindowSurface(this->display, this->configs, this->nativeWind, NULL); const EGLint surfattr[] =
{
EGL_RENDER_BUFFER, this->opt.doubleBuffer ? EGL_BACK_BUFFER : EGL_SINGLE_BUFFER,
EGL_NONE
};
this->surface = eglCreateWindowSurface(this->display, this->configs, this->nativeWind, surfattr);
if (this->surface == EGL_NO_SURFACE) if (this->surface == EGL_NO_SURFACE)
{ {
DEBUG_ERROR("Failed to create EGL surface (eglError: 0x%x)", eglGetError()); DEBUG_ERROR("Failed to create EGL surface (eglError: 0x%x)", eglGetError());
@ -520,6 +528,23 @@ bool egl_render_startup(void * opaque, SDL_Window * window)
return false; return false;
} }
EGLint rb = 0;
eglQuerySurface(this->display, this->surface, EGL_RENDER_BUFFER, &rb);
switch(rb)
{
case EGL_SINGLE_BUFFER:
DEBUG_INFO("Single buffer mode");
break;
case EGL_BACK_BUFFER:
DEBUG_INFO("Back buffer mode");
break;
default:
DEBUG_WARN("Unknown render buffer mode: %d", rb);
break;
}
eglMakeCurrent(this->display, this->surface, this->surface, this->context); eglMakeCurrent(this->display, this->surface, this->surface, this->context);
const char *client_exts = eglQueryString(this->display, EGL_EXTENSIONS); const char *client_exts = eglQueryString(this->display, EGL_EXTENSIONS);

2
client/renderers/EGL/texture.c
View file

@ -32,7 +32,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <SDL2/SDL_egl.h> #include <SDL2/SDL_egl.h>
/* this must be a multiple of 2 */ /* this must be a multiple of 2 */
#define BUFFER_COUNT 2 #define BUFFER_COUNT 4
struct Buffer struct Buffer
{ {