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[client] opengl: make ds functions optional

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Using a macro ENABLE_OPENGL just like ENABLE_EGL to optionally remove
OpenGL implementation code. This is mostly because on Wayland it's just
a rehash of the EGL code (as EGL is the only way to create OpenGL
contexts on Wayland).
This commit is contained in:
Quantum 2021-01-27 15:13:35 -05:00 committed by Geoffrey McRae
parent af2dafbdac
commit ecebcc4c35
7 changed files with 56 additions and 15 deletions
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4
client/CMakeLists.txt
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@ -53,6 +53,10 @@ add_compile_options(
set(EXE_FLAGS "-Wl,--gc-sections -z noexecstack")
set(CMAKE_C_STANDARD 11)
if (ENABLE_OPENGL)
add_definitions(-D ENABLE_OPENGL)
endif()
if (ENABLE_EGL)
add_definitions(-D ENABLE_EGL)
endif()

6
client/displayservers/SDL/sdl.c
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@ -76,6 +76,7 @@ static bool sdlInit(const LG_DSInitParams params)
return false;
}
#ifdef ENABLE_OPENGL
if (params.opengl)
{
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER , 1);
@ -85,6 +86,7 @@ static bool sdlInit(const LG_DSInitParams params)
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE , 8);
}
#endif
sdl.window = SDL_CreateWindow(
params.title,
@ -254,6 +256,7 @@ static void sdlEGLSwapBuffers(EGLDisplay display, EGLSurface surface)
}
#endif //ENABLE_EGL
#ifdef ENABLE_OPENGL
static LG_DSGLContext sdlGLCreateContext(void)
{
return (LG_DSGLContext)SDL_GL_CreateContext(sdl.window);
@ -278,6 +281,7 @@ static void sdlGLSwapBuffers(void)
{
SDL_GL_SwapWindow(sdl.window);
}
#endif //ENABLE_OPENGL
static int sdlEventFilter(void * userdata, SDL_Event * event)
{
@ -517,11 +521,13 @@ struct LG_DisplayServerOps LGDS_SDL =
.eglSwapBuffers = sdlEGLSwapBuffers,
#endif
#ifdef ENABLE_OPENGL
.glCreateContext = sdlGLCreateContext,
.glDeleteContext = sdlGLDeleteContext,
.glMakeCurrent = sdlGLMakeCurrent,
.glSetSwapInterval = sdlGLSetSwapInterval,
.glSwapBuffers = sdlGLSwapBuffers,
#endif
.showPointer = sdlShowPointer,
.grabPointer = sdlGrabPointer,

33
client/displayservers/Wayland/wayland.c
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@ -31,9 +31,11 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <SDL2/SDL.h>
#include <wayland-client.h>
#include <wayland-egl.h>
#include "egl_dynprocs.h"
#include <EGL/eglext.h>
#if defined(ENABLE_EGL) || defined(ENABLE_OPENGL)
# include <wayland-egl.h>
# include "egl_dynprocs.h"
# include <EGL/eglext.h>
#endif
#include "app.h"
#include "common/debug.h"
@ -66,9 +68,11 @@ struct WaylandDSState
struct wl_egl_window * eglWindow;
#endif
#ifdef ENABLE_OPENGL
EGLDisplay glDisplay;
EGLConfig glConfig;
EGLSurface glSurface;
#endif
struct xdg_wm_base * xdgWmBase;
struct xdg_surface * xdgSurface;
@ -559,6 +563,7 @@ static bool waylandInit(const LG_DSInitParams params)
wl_surface_commit(wm.cursor);
}
#ifdef ENABLE_OPENGL
if (params.opengl)
{
EGLint attr[] =
@ -604,6 +609,7 @@ static bool waylandInit(const LG_DSInitParams params)
return false;
}
}
#endif
wm.width = params.w;
wm.height = params.h;
@ -619,6 +625,14 @@ static void waylandShutdown(void)
{
}
#ifdef ENABLE_EGL
static EGLNativeWindowType waylandGetEGLNativeWindow(void)
{
return (EGLNativeWindowType) wm.eglWindow;
}
#endif
#if defined(ENABLE_EGL) || defined(ENABLE_OPENGL)
static EGLDisplay waylandGetEGLDisplay(void)
{
EGLNativeDisplayType native = (EGLNativeDisplayType) wm.display;
@ -643,13 +657,6 @@ static EGLDisplay waylandGetEGLDisplay(void)
return eglGetDisplay(native);
}
#ifdef ENABLE_EGL
static EGLNativeWindowType waylandGetEGLNativeWindow(void)
{
return (EGLNativeWindowType) wm.eglWindow;
}
#endif
static void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface)
{
eglSwapBuffers(display, surface);
@ -668,6 +675,9 @@ static void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface)
wm.resizeSerial = 0;
}
}
#endif
#ifdef ENABLE_OPENGL
static LG_DSGLContext waylandGLCreateContext(void)
{
eglBindAPI(EGL_OPENGL_API);
@ -693,6 +703,7 @@ static void waylandGLSwapBuffers(void)
{
waylandEGLSwapBuffers(wm.glDisplay, wm.glSurface);
}
#endif
static void waylandShowPointer(bool show)
{
@ -1214,11 +1225,13 @@ struct LG_DisplayServerOps LGDS_Wayland =
.eglSwapBuffers = waylandEGLSwapBuffers,
#endif
#ifdef ENABLE_OPENGL
.glCreateContext = waylandGLCreateContext,
.glDeleteContext = waylandGLDeleteContext,
.glMakeCurrent = waylandGLMakeCurrent,
.glSetSwapInterval = waylandGLSetSwapInterval,
.glSwapBuffers = waylandGLSwapBuffers,
#endif
.showPointer = waylandShowPointer,
.grabPointer = waylandGrabPointer,

6
client/displayservers/X11/x11.c
View File

@ -146,6 +146,7 @@ static bool x11Init(const LG_DSInitParams params)
};
unsigned long swaMask = CWEventMask;
#ifdef ENABLE_OPENGL
if (params.opengl)
{
GLint glXAttribs[] =
@ -174,6 +175,7 @@ static bool x11Init(const LG_DSInitParams params)
x11.visual->visual, AllocNone);
swaMask |= CWColormap;
}
#endif
x11.window = XCreateWindow(
x11.display,
@ -911,6 +913,7 @@ static void x11EGLSwapBuffers(EGLDisplay display, EGLSurface surface)
}
#endif
#ifdef ENABLE_OPENGL
static LG_DSGLContext x11GLCreateContext(void)
{
return (LG_DSGLContext)
@ -936,6 +939,7 @@ static void x11GLSwapBuffers(void)
{
glXSwapBuffers(x11.display, x11.window);
}
#endif
static void x11ShowPointer(bool show)
{
@ -1488,11 +1492,13 @@ struct LG_DisplayServerOps LGDS_X11 =
.getEGLNativeWindow = x11GetEGLNativeWindow,
.eglSwapBuffers = x11EGLSwapBuffers,
#endif
#ifdef ENABLE_OPENGL
.glCreateContext = x11GLCreateContext,
.glDeleteContext = x11GLDeleteContext,
.glMakeCurrent = x11GLMakeCurrent,
.glSetSwapInterval = x11GLSetSwapInterval,
.glSwapBuffers = x11GLSwapBuffers,
#endif
.showPointer = x11ShowPointer,
.grabPointer = x11GrabPointer,
.ungrabPointer = x11UngrabPointer,

2
client/include/app.h
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@ -64,11 +64,13 @@ EGLNativeWindowType app_getEGLNativeWindow(void);
void app_eglSwapBuffers(EGLDisplay display, EGLSurface surface);
#endif
#ifdef ENABLE_OPENGL
LG_DSGLContext app_glCreateContext(void);
void app_glDeleteContext(LG_DSGLContext context);
void app_glMakeCurrent(LG_DSGLContext context);
void app_glSetSwapInterval(int interval);
void app_glSwapBuffers(void);
#endif
void app_clipboardRelease(void);
void app_clipboardNotify(const LG_ClipboardData type, size_t size);

18
client/include/interface/displayserver.h
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@ -109,12 +109,14 @@ struct LG_DisplayServerOps
void (*eglSwapBuffers)(EGLDisplay display, EGLSurface surface);
#endif
#ifdef ENABLE_OPENGL
/* opengl platform specific methods */
LG_DSGLContext (*glCreateContext)(void);
void (*glDeleteContext)(LG_DSGLContext context);
void (*glMakeCurrent)(LG_DSGLContext context);
void (*glSetSwapInterval)(int interval);
void (*glSwapBuffers)(void);
#endif
/* dm specific cursor implementations */
void (*showPointer)(bool show);
@ -159,6 +161,12 @@ struct LG_DisplayServerOps
#define ASSERT_EGL_FN(x)
#endif
#ifdef ENABLE_OPENGL
#define ASSERT_OPENGL_FN(x) assert(x)
#else
#define ASSERT_OPENGL_FN(x)
#endif
#define ASSERT_LG_DS_VALID(x) \
assert((x)->probe ); \
assert((x)->earlyInit ); \
@ -170,11 +178,11 @@ struct LG_DisplayServerOps
ASSERT_EGL_FN((x)->getEGLDisplay ); \
ASSERT_EGL_FN((x)->getEGLNativeWindow ); \
ASSERT_EGL_FN((x)->eglSwapBuffers ); \
assert((x)->glCreateContext ); \
assert((x)->glDeleteContext ); \
assert((x)->glMakeCurrent ); \
assert((x)->glSetSwapInterval ); \
assert((x)->glSwapBuffers ); \
ASSERT_OPENGL_FN((x)->glCreateContext ); \
ASSERT_OPENGL_FN((x)->glDeleteContext ); \
ASSERT_OPENGL_FN((x)->glMakeCurrent ); \
ASSERT_OPENGL_FN((x)->glSetSwapInterval); \
ASSERT_OPENGL_FN((x)->glSwapBuffers ); \
assert((x)->showPointer ); \
assert((x)->grabPointer ); \
assert((x)->ungrabPointer ); \

2
client/src/app.c
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@ -583,6 +583,7 @@ void app_eglSwapBuffers(EGLDisplay display, EGLSurface surface)
}
#endif
#ifdef ENABLE_OPENGL
LG_DSGLContext app_glCreateContext(void)
{
return g_state.ds->glCreateContext();
@ -607,6 +608,7 @@ void app_glSwapBuffers(void)
{
g_state.ds->glSwapBuffers();
}
#endif
void app_alert(LG_MsgAlert type, const char * fmt, ...)
{