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This is an extract of a commit, minimally edited to ensure it compiles.

Closes #1078.
Related to #197.
This commit is contained in:
Bailey Cosier 2017-09-19 18:27:45 +02:00 committed by Camilla Löwy
parent ac009a5f5c
commit 93e66661d3
9 changed files with 28 additions and 22 deletions

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@ -287,6 +287,10 @@ __GLFW_DOUBLEBUFFER__ specifies whether the framebuffer should be double
buffered. You nearly always want to use double buffering. This is a hard buffered. You nearly always want to use double buffering. This is a hard
constraint. Possible values are `GLFW_TRUE` and `GLFW_FALSE`. constraint. Possible values are `GLFW_TRUE` and `GLFW_FALSE`.
@anchor GLFW_TRANSPARENT_hint
__GLFW_TRANSPARENT__ specifies whether the framebuffer will support transparency
in the background. Possible values are `GLFW_TRUE` and `GLFW_FALSE`.
@subsubsection window_hints_mtr Monitor related hints @subsubsection window_hints_mtr Monitor related hints

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@ -787,7 +787,6 @@ extern "C" {
* Cursor centering [window hint](@ref GLFW_CENTER_CURSOR_hint). * Cursor centering [window hint](@ref GLFW_CENTER_CURSOR_hint).
*/ */
#define GLFW_CENTER_CURSOR 0x00020009 #define GLFW_CENTER_CURSOR 0x00020009
#define GLFW_TRANSPARENT 0x0002000A
/*! @brief Framebuffer bit depth hint. /*! @brief Framebuffer bit depth hint.
* *
@ -869,6 +868,12 @@ extern "C" {
* Framebuffer double buffering [hint](@ref GLFW_DOUBLEBUFFER). * Framebuffer double buffering [hint](@ref GLFW_DOUBLEBUFFER).
*/ */
#define GLFW_DOUBLEBUFFER 0x00021010 #define GLFW_DOUBLEBUFFER 0x00021010
/*! @brief Framebuffer transparency hint.
*
* Framebuffer transparency [hint](@ref GLFW_TRANSPARENT_hint).
*/
#define GLFW_TRANSPARENT 0x00021011
/*! @brief Context client API hint and attribute. /*! @brief Context client API hint and attribute.
* *
* Context client API [hint](@ref GLFW_CLIENT_API_hint) and * Context client API [hint](@ref GLFW_CLIENT_API_hint) and

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@ -1085,7 +1085,7 @@ static GLFWbool createNativeWindow(_GLFWwindow* window,
if (wndconfig->ns.retina) if (wndconfig->ns.retina)
[window->ns.view setWantsBestResolutionOpenGLSurface:YES]; [window->ns.view setWantsBestResolutionOpenGLSurface:YES];
if (window->transparent) if (_glfw.hints.framebuffer.transparent)
{ {
[window->ns.object setOpaque:NO]; [window->ns.object setOpaque:NO];
[window->ns.object setBackgroundColor:[NSColor clearColor]]; [window->ns.object setBackgroundColor:[NSColor clearColor]];

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@ -493,7 +493,7 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
if (ctxconfig->share) if (ctxconfig->share)
share = ctxconfig->share->context.egl.handle; share = ctxconfig->share->context.egl.handle;
if (!chooseEGLConfig(ctxconfig, fbconfig, &config, window->transparent)) if (!chooseEGLConfig(ctxconfig, fbconfig, &config, fbconfig->transparent))
{ {
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"EGL: Failed to find a suitable EGLConfig"); "EGL: Failed to find a suitable EGLConfig");
@ -738,7 +738,7 @@ GLFWbool _glfwChooseVisualEGL(const _GLFWwndconfig* wndconfig,
EGLint visualID = 0, count = 0; EGLint visualID = 0, count = 0;
const long vimask = VisualScreenMask | VisualIDMask; const long vimask = VisualScreenMask | VisualIDMask;
if (!chooseEGLConfig(ctxconfig, fbconfig, &native, wndconfig->transparent)) if (!chooseEGLConfig(ctxconfig, fbconfig, &native, fbconfig->transparent))
{ {
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"EGL: Failed to find a suitable EGLConfig"); "EGL: Failed to find a suitable EGLConfig");

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@ -477,7 +477,7 @@ GLFWbool _glfwCreateContextGLX(_GLFWwindow* window,
if (ctxconfig->share) if (ctxconfig->share)
share = ctxconfig->share->context.glx.handle; share = ctxconfig->share->context.glx.handle;
if (!chooseGLXFBConfig(fbconfig, &native, window->transparent)) if (!chooseGLXFBConfig(fbconfig, &native, fbconfig->transparent))
{ {
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"GLX: Failed to find a suitable GLXFBConfig"); "GLX: Failed to find a suitable GLXFBConfig");
@ -665,7 +665,7 @@ GLFWbool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig,
GLXFBConfig native; GLXFBConfig native;
XVisualInfo* result; XVisualInfo* result;
if (!chooseGLXFBConfig(fbconfig, &native, wndconfig->transparent)) if (!chooseGLXFBConfig(fbconfig, &native, fbconfig->transparent))
{ {
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"GLX: Failed to find a suitable GLXFBConfig"); "GLX: Failed to find a suitable GLXFBConfig");

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@ -299,7 +299,6 @@ struct _GLFWwndconfig
GLFWbool resizable; GLFWbool resizable;
GLFWbool visible; GLFWbool visible;
GLFWbool decorated; GLFWbool decorated;
GLFWbool transparent;
GLFWbool focused; GLFWbool focused;
GLFWbool autoIconify; GLFWbool autoIconify;
GLFWbool floating; GLFWbool floating;
@ -360,6 +359,7 @@ struct _GLFWfbconfig
int samples; int samples;
GLFWbool sRGB; GLFWbool sRGB;
GLFWbool doublebuffer; GLFWbool doublebuffer;
GLFWbool transparent;
uintptr_t handle; uintptr_t handle;
}; };
@ -403,7 +403,6 @@ struct _GLFWwindow
// Window settings and state // Window settings and state
GLFWbool resizable; GLFWbool resizable;
GLFWbool decorated; GLFWbool decorated;
GLFWbool transparent;
GLFWbool autoIconify; GLFWbool autoIconify;
GLFWbool floating; GLFWbool floating;
GLFWbool shouldClose; GLFWbool shouldClose;

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@ -296,7 +296,7 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
return GLFW_FALSE; return GLFW_FALSE;
} }
if (window->transparent) if (fbconfig->transparent)
{ {
GLint opaque = 0; GLint opaque = 0;
[window->context.nsgl.object setValues:&opaque forParameter:NSOpenGLCPSurfaceOpacity]; [window->context.nsgl.object setValues:&opaque forParameter:NSOpenGLCPSurfaceOpacity];

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@ -85,7 +85,7 @@ static int choosePixelFormat(_GLFWwindow* window,
_GLFWfbconfig* u = usableConfigs + usableCount; _GLFWfbconfig* u = usableConfigs + usableCount;
PIXELFORMATDESCRIPTOR pfd; PIXELFORMATDESCRIPTOR pfd;
if (window->transparent) { if (fbconfig->transparent) {
if (!DescribePixelFormat(window->context.wgl.dc, if (!DescribePixelFormat(window->context.wgl.dc,
n, n,
sizeof(PIXELFORMATDESCRIPTOR), sizeof(PIXELFORMATDESCRIPTOR),
@ -168,7 +168,7 @@ static int choosePixelFormat(_GLFWwindow* window,
{ {
// Get pixel format attributes through legacy PFDs // Get pixel format attributes through legacy PFDs
if (!window->transparent && DescribePixelFormat(window->context.wgl.dc, if (!fbconfig->transparent && DescribePixelFormat(window->context.wgl.dc,
n, n,
sizeof(PIXELFORMATDESCRIPTOR), sizeof(PIXELFORMATDESCRIPTOR),
&pfd)) &pfd))
@ -217,8 +217,7 @@ static int choosePixelFormat(_GLFWwindow* window,
} }
// Reiterate the selection loop without looking for transparency supporting // Reiterate the selection loop without looking for transparency supporting
// formats if no matching pixelformat for a transparent window were found. // formats if no matching pixelformat for a transparent window were found.
if (window->transparent && !usableCount) { if (fbconfig->transparent && !usableCount) {
window->transparent = GLFW_FALSE;
free(usableConfigs); free(usableConfigs);
_glfwInputError(GLFW_PLATFORM_ERROR, _glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: No pixel format found for transparent window. Ignoring transparency."); "WGL: No pixel format found for transparent window. Ignoring transparency.");
@ -803,10 +802,12 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
} }
} }
if (window->transparent) if (fbconfig->transparent)
{ {
if (!setupTransparentWindow(window)) if (!setupTransparentWindow(window))
window->transparent = GLFW_FALSE; _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
"WGL: Failed to setup window as transparent as requested");
} }
window->context.makeCurrent = makeContextCurrentWGL; window->context.makeCurrent = makeContextCurrentWGL;

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@ -147,6 +147,7 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
fbconfig = _glfw.hints.framebuffer; fbconfig = _glfw.hints.framebuffer;
ctxconfig = _glfw.hints.context; ctxconfig = _glfw.hints.context;
wndconfig = _glfw.hints.window; wndconfig = _glfw.hints.window;
fbconfig.transparent = _glfw.hints.framebuffer.transparent ? GLFW_TRUE : GLFW_FALSE;
wndconfig.width = width; wndconfig.width = width;
wndconfig.height = height; wndconfig.height = height;
@ -180,7 +181,6 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
window->monitor = (_GLFWmonitor*) monitor; window->monitor = (_GLFWmonitor*) monitor;
window->resizable = wndconfig.resizable; window->resizable = wndconfig.resizable;
window->decorated = wndconfig.decorated; window->decorated = wndconfig.decorated;
window->transparent = wndconfig.transparent;
window->autoIconify = wndconfig.autoIconify; window->autoIconify = wndconfig.autoIconify;
window->floating = wndconfig.floating; window->floating = wndconfig.floating;
window->cursorMode = GLFW_CURSOR_NORMAL; window->cursorMode = GLFW_CURSOR_NORMAL;
@ -250,7 +250,6 @@ void glfwDefaultWindowHints(void)
_glfw.hints.window.resizable = GLFW_TRUE; _glfw.hints.window.resizable = GLFW_TRUE;
_glfw.hints.window.visible = GLFW_TRUE; _glfw.hints.window.visible = GLFW_TRUE;
_glfw.hints.window.decorated = GLFW_TRUE; _glfw.hints.window.decorated = GLFW_TRUE;
_glfw.hints.window.transparent = GLFW_FALSE;
_glfw.hints.window.focused = GLFW_TRUE; _glfw.hints.window.focused = GLFW_TRUE;
_glfw.hints.window.autoIconify = GLFW_TRUE; _glfw.hints.window.autoIconify = GLFW_TRUE;
@ -317,6 +316,9 @@ GLFWAPI void glfwWindowHint(int hint, int value)
case GLFW_DOUBLEBUFFER: case GLFW_DOUBLEBUFFER:
_glfw.hints.framebuffer.doublebuffer = value ? GLFW_TRUE : GLFW_FALSE; _glfw.hints.framebuffer.doublebuffer = value ? GLFW_TRUE : GLFW_FALSE;
return; return;
case GLFW_TRANSPARENT:
_glfw.hints.framebuffer.transparent = value ? GLFW_TRUE : GLFW_FALSE;
return;
case GLFW_SAMPLES: case GLFW_SAMPLES:
_glfw.hints.framebuffer.samples = value; _glfw.hints.framebuffer.samples = value;
return; return;
@ -329,9 +331,6 @@ GLFWAPI void glfwWindowHint(int hint, int value)
case GLFW_DECORATED: case GLFW_DECORATED:
_glfw.hints.window.decorated = value ? GLFW_TRUE : GLFW_FALSE; _glfw.hints.window.decorated = value ? GLFW_TRUE : GLFW_FALSE;
return; return;
case GLFW_TRANSPARENT:
_glfw.hints.window.transparent = value ? GLFW_TRUE : GLFW_FALSE;
return;
case GLFW_FOCUSED: case GLFW_FOCUSED:
_glfw.hints.window.focused = value ? GLFW_TRUE : GLFW_FALSE; _glfw.hints.window.focused = value ? GLFW_TRUE : GLFW_FALSE;
return; return;
@ -733,8 +732,6 @@ GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib)
return window->resizable; return window->resizable;
case GLFW_DECORATED: case GLFW_DECORATED:
return window->decorated; return window->decorated;
case GLFW_TRANSPARENT:
return window->transparent;
case GLFW_FLOATING: case GLFW_FLOATING:
return window->floating; return window->floating;
case GLFW_AUTO_ICONIFY: case GLFW_AUTO_ICONIFY: