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-rw-r--r--src/Fl_Gl_Window.cxx117
1 files changed, 52 insertions, 65 deletions
diff --git a/src/Fl_Gl_Window.cxx b/src/Fl_Gl_Window.cxx
index 87806a54a..70d46ab68 100644
--- a/src/Fl_Gl_Window.cxx
+++ b/src/Fl_Gl_Window.cxx
@@ -1,5 +1,5 @@
//
-// "$Id: Fl_Gl_Window.cxx,v 1.12.2.20 2001/01/22 15:13:39 easysw Exp $"
+// "$Id: Fl_Gl_Window.cxx,v 1.12.2.21 2001/03/14 17:20:01 spitzak Exp $"
//
// OpenGL window code for the Fast Light Tool Kit (FLTK).
//
@@ -28,8 +28,8 @@
#include <FL/Fl.H>
#include <FL/x.H>
-#include <FL/Fl_Gl_Window.H>
#include "Fl_Gl_Choice.H"
+#include <FL/Fl_Gl_Window.H>
#include <stdlib.h>
#include <string.h>
@@ -63,66 +63,65 @@ int Fl_Gl_Window::can_do(int a, const int *b) {
}
void Fl_Gl_Window::show() {
-#if !defined(_WIN32) && !defined(WIN32)
if (!shown()) {
if (!g) {
g = Fl_Gl_Choice::find(mode_,alist);
if (!g) {Fl::error("Insufficient GL support"); return;}
}
+#ifndef WIN32
Fl_X::make_xid(this, g->vis, g->colormap);
if (overlay && overlay != this) ((Fl_Gl_Window*)overlay)->show();
- }
#endif
+ }
Fl_Window::show();
}
void Fl_Gl_Window::invalidate() {
valid(0);
-#if !defined(_WIN32) && !defined(WIN32)
+#ifndef WIN32
if (overlay) ((Fl_Gl_Window*)overlay)->valid(0);
#endif
}
int Fl_Gl_Window::mode(int m, const int *a) {
if (m == mode_ && a == alist) return 0;
+#ifndef WIN32
+ int oldmode = mode_;
+ Fl_Gl_Choice* oldg = g;
+#endif
+ context(0);
mode_ = m; alist = a;
-#if defined(_WIN32) || defined(WIN32)
- // destroy context and g:
- if (shown()) {hide(); show();}
-#else
- // under X, if the visual changes we must make a new X window (!):
if (shown()) {
- Fl_Gl_Choice *g1 = g;
- g = Fl_Gl_Choice::find(mode_,alist);
- if (!g || g->vis->visualid != g1->vis->visualid || g->d != g1->d) {
- hide(); show();
+ g = Fl_Gl_Choice::find(m, a);
+#ifndef WIN32
+ // under X, if the visual changes we must make a new X window (yuck!):
+ if (!g || g->vis->visualid!=oldg->vis->visualid || (oldmode^m)&FL_DOUBLE) {
+ hide();
+ show();
}
- }
#endif
+ } else {
+ g = 0;
+ }
return 1;
}
+#define NON_LOCAL_CONTEXT 0x80000000
+
void Fl_Gl_Window::make_current() {
- if (!context) {
-#if defined(_WIN32) || defined(WIN32)
- context = wglCreateContext(fl_private_dc(this, mode_,&g));
- if (fl_first_context) wglShareLists(fl_first_context, (GLXContext)context);
- else fl_first_context = (GLXContext)context;
-#else
- context = glXCreateContext(fl_display, g->vis, fl_first_context, 1);
- if (!fl_first_context) fl_first_context = (GLXContext)context;
-#endif
+ if (!context_) {
+ mode_ &= ~NON_LOCAL_CONTEXT;
+ context_ = fl_create_gl_context(this, g);
valid(0);
}
- fl_set_gl_context(this, (GLXContext)context);
-#if (defined(_WIN32) || defined(WIN32)) && USE_COLORMAP
+ fl_set_gl_context(this, context_);
+#if defined(WIN32) && USE_COLORMAP
if (fl_palette) {
fl_GetDC(fl_xid(this));
SelectPalette(fl_gc, fl_palette, FALSE);
RealizePalette(fl_gc);
}
#endif // USE_COLORMAP
- if (g->d) glDrawBuffer(GL_BACK);
current_ = this;
}
@@ -142,7 +141,7 @@ void Fl_Gl_Window::ortho() {
}
void Fl_Gl_Window::swap_buffers() {
-#if defined(_WIN32) || defined(WIN32)
+#ifdef WIN32
#if HAVE_GL_OVERLAY
// Do not swap the overlay, to match GLX:
wglSwapLayerBuffers(Fl_X::i(this)->private_dc, WGL_SWAP_MAIN_PLANE);
@@ -154,25 +153,25 @@ void Fl_Gl_Window::swap_buffers() {
#endif
}
-#if HAVE_GL_OVERLAY && defined(_WIN32)
+#if HAVE_GL_OVERLAY && defined(WIN32)
uchar fl_overlay; // changes how fl_color() works
int fl_overlay_depth = 0;
#endif
void Fl_Gl_Window::flush() {
uchar save_valid = valid_;
-#if defined(_WIN32) || defined(WIN32)
+
+#if HAVE_GL_OVERLAY && defined(WIN32)
+
// SGI 320 messes up overlay with user-defined cursors:
bool fixcursor =
Fl_X::i(this)->cursor && Fl_X::i(this)->cursor != fl_default_cursor;
if (fixcursor) SetCursor(0);
-#endif
-#if HAVE_GL_OVERLAY && (defined(_WIN32) || defined(WIN32))
// Draw into hardware overlay planes:
if (overlay && overlay != this
&& (damage()&(FL_DAMAGE_OVERLAY|FL_DAMAGE_EXPOSE) || !save_valid)) {
- fl_set_gl_context(this, (GLXContext)overlay);
+ fl_set_gl_context(this, (GLContext)overlay);
if (fl_overlay_depth)
wglRealizeLayerPalette(Fl_X::i(this)->private_dc, 1, TRUE);
glDisable(GL_SCISSOR_TEST);
@@ -191,7 +190,9 @@ void Fl_Gl_Window::flush() {
make_current();
- if (g->d) {
+ if (mode_ & FL_DOUBLE) {
+
+ glDrawBuffer(GL_BACK);
if (!SWAP_TYPE) {
SWAP_TYPE = UNDEFINED;
@@ -224,16 +225,10 @@ void Fl_Gl_Window::flush() {
if (damage1_ || damage() != FL_DAMAGE_OVERLAY || !save_valid) draw();
// we use a seperate context for the copy because rasterpos must be 0
// and depth test needs to be off:
- static GLXContext ortho_context = 0;
+ static GLContext ortho_context = 0;
static Fl_Gl_Window* ortho_window = 0;
int init = !ortho_context;
- if (init) {
-#if defined(_WIN32) || defined(WIN32)
- ortho_context = wglCreateContext(Fl_X::i(this)->private_dc);
-#else
- ortho_context =glXCreateContext(fl_display,g->vis,fl_first_context,1);
-#endif
- }
+ if (init) ortho_context = fl_create_gl_context(this, g);
fl_set_gl_context(this, ortho_context);
if (init || !save_valid || ortho_window != this) {
glDisable(GL_DEPTH_TEST);
@@ -274,7 +269,7 @@ void Fl_Gl_Window::flush() {
}
-#if defined(_WIN32) || defined(WIN32)
+#if HAVE_GL_OVERLAY && defined(WIN32)
if (fixcursor) SetCursor(Fl_X::i(this)->cursor);
#endif
valid(1);
@@ -283,7 +278,7 @@ void Fl_Gl_Window::flush() {
void Fl_Gl_Window::resize(int X,int Y,int W,int H) {
if (W != w() || H != h()) {
valid(0);
-#if !defined(_WIN32) && !defined(WIN32)
+#ifndef WIN32
if (!resizable() && overlay && overlay != this)
((Fl_Gl_Window*)overlay)->resize(0,0,W,H);
#endif
@@ -291,26 +286,18 @@ void Fl_Gl_Window::resize(int X,int Y,int W,int H) {
Fl_Window::resize(X,Y,W,H);
}
+void Fl_Gl_Window::context(void* v, int destroy_flag) {
+ if (context_ && !(mode_&NON_LOCAL_CONTEXT)) fl_delete_gl_context(context_);
+ context_ = (GLContext)v;
+ if (destroy_flag) mode_ &= ~NON_LOCAL_CONTEXT;
+ else mode_ |= NON_LOCAL_CONTEXT;
+}
+
void Fl_Gl_Window::hide() {
- if (context) {
- fl_no_gl_context();
- if (context != fl_first_context) {
-#if defined(_WIN32) || defined(WIN32)
- wglDeleteContext((GLXContext)context);
-#else
- glXDestroyContext(fl_display, (GLXContext)context);
-#endif
- }
-// This causes incompatibility with some OpenGL libraries
-// I don't think this is not necessary in any case, right?
-//#ifdef GLX_MESA_release_buffers
-// glXReleaseBuffersMESA(fl_display, fl_xid(this));
-//#endif
- context = 0;
- }
-#if HAVE_GL_OVERLAY && (defined(_WIN32) || defined(WIN32))
- if (overlay && overlay != this && (GLXContext)overlay != fl_first_context) {
- wglDeleteContext((GLXContext)overlay);
+ context(0);
+#if HAVE_GL_OVERLAY && defined(WIN32)
+ if (overlay && overlay != this) {
+ fl_delete_gl_context((GLContext)overlay);
overlay = 0;
}
#endif
@@ -327,7 +314,7 @@ void Fl_Gl_Window::init() {
box(FL_NO_BOX);
mode_ = FL_RGB | FL_DEPTH | FL_DOUBLE;
alist = 0;
- context = 0;
+ context_ = 0;
g = 0;
overlay = 0;
}
@@ -337,5 +324,5 @@ void Fl_Gl_Window::draw_overlay() {}
#endif
//
-// End of "$Id: Fl_Gl_Window.cxx,v 1.12.2.20 2001/01/22 15:13:39 easysw Exp $".
+// End of "$Id: Fl_Gl_Window.cxx,v 1.12.2.21 2001/03/14 17:20:01 spitzak Exp $".
//
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-08 10:47:18 +0000