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Merge 76324979b9 into 8055dad7e4

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This commit is contained in:
Lukas Hermanns 2019-03-19 18:22:20 +00:00 committed by GitHub
commit 6dbe1736e7
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 210 additions and 105 deletions
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5
CMakeLists.txt
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@ -23,6 +23,7 @@ option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
option(GLFW_INSTALL "Generate installation target" ON)
option(GLFW_VULKAN_STATIC "Use the Vulkan loader statically linked into application" OFF)
option(GLFW_OPENGL_SINGLE_GLRC "Build the GLFW to use only a single OpenGL render context" OFF)
include(GNUInstallDirs)
@ -67,6 +68,10 @@ if (GLFW_BUILD_DOCS)
find_package(Doxygen)
endif()
if (GLFW_OPENGL_SINGLE_GLRC)
add_definitions(-D_GLFW_OPENGL_SINGLE_GLRC)
endif()
#--------------------------------------------------------------------
# Set compiler specific flags
#--------------------------------------------------------------------

27
src/glx_context.c
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@ -237,8 +237,15 @@ static void destroyContextGLX(_GLFWwindow* window)
}
if (window->context.glx.handle)
{
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (window->context.customctx)
{
glXDestroyContext(_glfw.x11.display, window->context.glx.handle);
}
#else
glXDestroyContext(_glfw.x11.display, window->context.glx.handle);
#endif
window->context.glx.handle = NULL;
}
}
@ -495,6 +502,25 @@ GLFWbool _glfwCreateContextGLX(_GLFWwindow* window,
_glfwGrabErrorHandlerX11();
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if(share)
{
// Use shared context instead of creating a new one
window->context.glx.handle = share;
window->context.customctx = GLFW_FALSE;
}
else
{
// Create new GL render context
window->context.glx.handle = NULL;
window->context.customctx = GLFW_TRUE;
}
#endif
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (!window->context.glx.handle)
#endif
{
if (_glfw.glx.ARB_create_context)
{
int index = 0, mask = 0, flags = 0;
@ -602,6 +628,7 @@ GLFWbool _glfwCreateContextGLX(_GLFWwindow* window,
window->context.glx.handle =
createLegacyContextGLX(window, native, share);
}
}
_glfwReleaseErrorHandlerX11();

5
src/internal.h
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@ -340,6 +340,11 @@ struct _GLFWcontext
int profile;
int robustness;
int release;
#ifdef _GLFW_OPENGL_SINGLE_GLRC
// Specifies whether this _GLFWcontext has its own GLRC object.
// If not, it must not delete the GLRC object on destruction.
GLFWbool customctx;
#endif
PFNGLGETSTRINGIPROC GetStringi;
PFNGLGETINTEGERVPROC GetIntegerv;

29
src/nsgl_context.m
View File

@ -57,7 +57,13 @@ static void makeContextCurrentNSGL(_GLFWwindow* window)
@autoreleasepool {
if (window)
{
#ifdef _GLFW_OPENGL_SINGLE_GLRC
[window->context.nsgl.object setView:window->ns.view];
[window->context.nsgl.object update];
#endif
[window->context.nsgl.object makeCurrentContext];
}
else
[NSOpenGLContext clearCurrentContext];
@ -139,7 +145,12 @@ static void destroyContextNSGL(_GLFWwindow* window)
[window->context.nsgl.pixelFormat release];
window->context.nsgl.pixelFormat = nil;
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (window->context.customctx)
[window->context.nsgl.object release];
#else
[window->context.nsgl.object release];
#endif
window->context.nsgl.object = nil;
} // autoreleasepool
@ -343,6 +354,22 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
return GLFW_FALSE;
}
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (ctxconfig->share)
{
// Use shared context instead of creating a new one
window->context.nsgl.object = ctxconfig->share->context.nsgl.object;
window->context.customctx = GLFW_FALSE;
}
else
{
// Create new GL context
window->context.nsgl.object =
[[NSOpenGLContext alloc] initWithFormat:window->context.nsgl.pixelFormat
shareContext:nil];
window->context.customctx = GLFW_TRUE;
}
#else
NSOpenGLContext* share = NULL;
if (ctxconfig->share)
@ -351,6 +378,8 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
window->context.nsgl.object =
[[NSOpenGLContext alloc] initWithFormat:window->context.nsgl.pixelFormat
shareContext:share];
#endif
if (window->context.nsgl.object == nil)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,

45
src/wgl_context.c
View File

@ -388,8 +388,15 @@ static GLFWglproc getProcAddressWGL(const char* procname)
static void destroyContextWGL(_GLFWwindow* window)
{
if (window->context.wgl.handle)
{
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (window->context.customctx)
{
wglDeleteContext(window->context.wgl.handle);
}
#else
wglDeleteContext(window->context.wgl.handle);
#endif
window->context.wgl.handle = NULL;
}
}
@ -688,9 +695,23 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
setAttrib(0, 0);
window->context.wgl.handle =
_glfw.wgl.CreateContextAttribsARB(window->context.wgl.dc,
share, attribs);
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (share)
{
// Use shared context instead of creating a new one
window->context.wgl.handle = share;
window->context.customctx = GLFW_FALSE;
}
else
{
// Create new GL render context
window->context.wgl.handle = _glfw.wgl.CreateContextAttribsARB(window->context.wgl.dc, NULL, attribs);
window->context.customctx = GLFW_TRUE;
}
#else
window->context.wgl.handle = _glfw.wgl.CreateContextAttribsARB(window->context.wgl.dc, share, attribs);
#endif
if (!window->context.wgl.handle)
{
const DWORD error = GetLastError();
@ -741,7 +762,23 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
}
else
{
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (share)
{
// Use shared context instead of creating a new one
window->context.wgl.handle = share;
window->context.customctx = GLFW_FALSE;
}
else
{
// Create new GL render context
window->context.wgl.handle = wglCreateContext(window->context.wgl.dc);
window->context.customctx = GLFW_TRUE;
}
#else
window->context.wgl.handle = wglCreateContext(window->context.wgl.dc);
#endif
if (!window->context.wgl.handle)
{
_glfwInputErrorWin32(GLFW_VERSION_UNAVAILABLE,
@ -749,6 +786,7 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
return GLFW_FALSE;
}
#ifndef _GLFW_OPENGL_SINGLE_GLRC
if (share)
{
if (!wglShareLists(share, window->context.wgl.handle))
@ -758,6 +796,7 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
return GLFW_FALSE;
}
}
#endif
}
window->context.makeCurrent = makeContextCurrentWGL;