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removed hard EGL linkage for vivante backend

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This commit is contained in:
Krylov Yaroslav 2019-05-28 18:44:27 +03:00
parent a96436ccf1
commit c0ca50a434
5 changed files with 96 additions and 10 deletions
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3
CMakeLists.txt
View File

@ -280,9 +280,6 @@ endif()
# Use Vivante for window creation
#--------------------------------------------------------------------
if (_GLFW_VIVANTE)
list(APPEND glfw_LIBRARIES "-lEGL")
list(APPEND glfw_PKG_LIBS "-lEGL")
list(APPEND glfw_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}")
endif()

5
src/CMakeLists.txt
View File

@ -78,6 +78,11 @@ if (_GLFW_X11 OR _GLFW_WAYLAND)
endif()
endif()
if (_GLFW_VIVANTE)
set_source_files_properties(${glfw_SOURCES} PROPERTIES
COMPILE_DEFINITIONS EGL_API_FB=1)
endif()
if (APPLE)
# For some reason, CMake doesn't know about .m
set_source_files_properties(${glfw_SOURCES} PROPERTIES LANGUAGE C)

1
src/egl_context.h
View File

@ -45,7 +45,6 @@ typedef struct wl_display* EGLNativeDisplayType;
typedef struct wl_egl_window* EGLNativeWindowType;
#elif defined(_GLFW_VIVANTE)
#define EGLAPIENTRY
#define EGL_API_FB
#include <EGL/eglplatform.h>
#else
#error "No supported EGL platform selected"

58
src/vivante_init.c
View File

@ -34,6 +34,54 @@
int _glfwPlatformInit(void)
{
_glfw.vivante.handle = _glfw_dlopen("libEGL.so.1");
if (!_glfw.vivante.handle) {
_glfw.vivante.handle = _glfw_dlopen("libEGL.so");
if (!_glfw.vivante.handle) {
_glfwInputError(GLFW_PLATFORM_ERROR,
"Vivante: EGL Library not found");
return GLFW_FALSE;
}
}
_glfw.vivante.GetDisplay = (PFN_fbGetDisplay)
_glfw_dlsym(_glfw.vivante.handle, "fbGetDisplay");
_glfw.vivante.GetDisplayByIndex = (PFN_fbGetDisplayByIndex)
_glfw_dlsym(_glfw.vivante.handle, "fbGetDisplayByIndex");
_glfw.vivante.GetDisplayGeometry = (PFN_fbGetDisplayGeometry)
_glfw_dlsym(_glfw.vivante.handle, "fbGetDisplayGeometry");
_glfw.vivante.GetDisplayInfo = (PFN_fbGetDisplayInfo)
_glfw_dlsym(_glfw.vivante.handle, "fbGetDisplayInfo");
_glfw.vivante.DestroyDisplay = (PFN_fbDestroyDisplay)
_glfw_dlsym(_glfw.vivante.handle, "fbDestroyDisplay");
_glfw.vivante.CreateWindow = (PFN_fbCreateWindow)
_glfw_dlsym(_glfw.vivante.handle, "fbCreateWindow");
_glfw.vivante.GetWindowGeometry = (PFN_fbGetWindowGeometry)
_glfw_dlsym(_glfw.vivante.handle, "fbGetWindowGeometry");
_glfw.vivante.GetWindowInfo = (PFN_fbGetWindowInfo)
_glfw_dlsym(_glfw.vivante.handle, "fbGetWindowInfo");
_glfw.vivante.DestroyWindow = (PFN_fbDestroyWindow)
_glfw_dlsym(_glfw.vivante.handle, "fbDestroyWindow");
if (!_glfw.vivante.GetDisplay ||
!_glfw.vivante.GetDisplayByIndex ||
!_glfw.vivante.GetDisplayGeometry ||
!_glfw.vivante.GetDisplayInfo ||
!_glfw.vivante.DestroyDisplay ||
!_glfw.vivante.CreateWindow ||
!_glfw.vivante.GetWindowGeometry ||
!_glfw.vivante.GetWindowInfo ||
!_glfw.vivante.DestroyWindow)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Vivante: Failed to load required entry points");
_glfwTerminateEGL();
return GLFW_FALSE;
}
_glfw.vivante.display = fbGetDisplay(NULL);
if (!_glfw.vivante.display)
{
@ -43,10 +91,6 @@ int _glfwPlatformInit(void)
return GLFW_FALSE;
}
_glfwInitTimerPOSIX();
if (!_glfwInitJoysticksLinux())
@ -64,6 +108,12 @@ void _glfwPlatformTerminate(void)
fbDestroyDisplay(_glfw.vivante.display);
_glfw.vivante.display = NULL;
}
if (_glfw.vivante.handle)
{
_glfw_dlclose(_glfw.vivante.handle);
_glfw.vivante.handle = NULL;
}
}
const char* _glfwPlatformGetVersionString(void)

39
src/vivante_platform.h
View File

@ -26,7 +26,6 @@
//========================================================================
#include <dlfcn.h>
#include <stdio.h> // TODO: remove it
#define _GLFW_PLATFORM_CONTEXT_STATE
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE
@ -51,12 +50,36 @@
#define _GLFW_PLATFORM_MONITOR_STATE //_GLFWmonitorVivante vivante
#define _GLFW_PLATFORM_CURSOR_STATE //_GLFWcursorVivante vivante
// EGL function pointer typedefs
typedef void * EGLNativeDisplayType;
typedef void * EGLNativeWindowType;
typedef EGLNativeDisplayType (EGLAPIENTRY * PFN_fbGetDisplay)(void *context);
typedef EGLNativeDisplayType (EGLAPIENTRY * PFN_fbGetDisplayByIndex)(int DisplayIndex);
typedef void (EGLAPIENTRY * PFN_fbGetDisplayGeometry)(EGLNativeDisplayType Display, int *Width, int *Height);
typedef void (EGLAPIENTRY * PFN_fbGetDisplayInfo)(EGLNativeDisplayType Display, int *Width, int *Height, unsigned long *Physical, int *Stride, int *BitsPerPixel);
typedef void (EGLAPIENTRY * PFN_fbDestroyDisplay)(EGLNativeDisplayType Display);
typedef EGLNativeWindowType (EGLAPIENTRY * PFN_fbCreateWindow)(EGLNativeDisplayType Display, int X, int Y, int Width, int Height);
typedef void (EGLAPIENTRY * PFN_fbGetWindowGeometry)(EGLNativeWindowType Window, int *X, int *Y, int *Width, int *Height);
typedef void (EGLAPIENTRY * PFN_fbGetWindowInfo)(EGLNativeWindowType Window, int *X, int *Y, int *Width, int *Height, int *BitsPerPixel, unsigned int *Offset);
typedef void (EGLAPIENTRY * PFN_fbDestroyWindow)(EGLNativeWindowType Window);
#define fbGetDisplay _glfw.vivante.GetDisplay
#define fbGetDisplayByIndex _glfw.vivante.GetDisplayByIndex
#define fbGetDisplayGeometry _glfw.vivante.GetDisplayGeometry
#define fbGetDisplayInfo _glfw.vivante.GetDisplayInfo
#define fbDestroyDisplay _glfw.vivante.DestroyDisplay
#define fbCreateWindow _glfw.vivante.CreateWindow
#define fbGetWindowGeometry _glfw.vivante.GetWindowGeometry
#define fbGetWindowInfo _glfw.vivante.GetWindowInfo
#define fbDestroyWindow _glfw.vivante.DestroyWindow
// Vivante-specific per-window data
//
typedef struct _GLFWwindowVivante
{
EGLNativeWindowType native_window;
EGLSurface egl_surface;
// Cached position and size used to filter out duplicate events
int width, height;
@ -70,4 +93,16 @@ typedef struct _GLFWlibraryVivante
{
EGLNativeDisplayType display;
void* handle;
PFN_fbGetDisplay GetDisplay;
PFN_fbGetDisplayByIndex GetDisplayByIndex;
PFN_fbGetDisplayGeometry GetDisplayGeometry;
PFN_fbGetDisplayInfo GetDisplayInfo;
PFN_fbDestroyDisplay DestroyDisplay;
PFN_fbCreateWindow CreateWindow;
PFN_fbGetWindowGeometry GetWindowGeometry;
PFN_fbGetWindowInfo GetWindowInfo;
PFN_fbDestroyWindow DestroyWindow;
} _GLFWlibraryVivante;