Override AdjustForParentClientOrigin() in wxNonOwnedWindow to do nothing.

[wxWidgets.git] / include / wx / glcanvas.h

diff --git a/include/wx/glcanvas.h b/include/wx/glcanvas.h
index 3ac73811c30d48180abc0caafae3a18349ad6dcd..8e7de1f6e96385cde3d6119e8ca4a2dc32e2e839 100644 (file)
--- a/include/wx/glcanvas.h
+++ b/include/wx/glcanvas.h
@@ -27,30 +27,32 @@ class WXDLLIMPEXP_FWD_GL wxGLContext;
 // Constants for attributes list
 // ----------------------------------------------------------------------------
 
 // Constants for attributes list
 // ----------------------------------------------------------------------------
 

-// The generic OpenGL implementation doesn't support most of these options,
-// such as stereo, auxiliary buffers, alpha channel, and accumulator buffer.
-// Other implementations may actually support them.
+// Notice that not all implementation support options such as stereo, auxiliary
+// buffers, alpha channel, and accumulator buffer, use IsDisplaySupported() to
+// check for individual attributes support.

 enum
 {
 enum
 {

-    WX_GL_RGBA=1,          /* use true color palette */
-    WX_GL_BUFFER_SIZE,     /* bits for buffer if not WX_GL_RGBA */
-    WX_GL_LEVEL,           /* 0 for main buffer, >0 for overlay, <0 for underlay */
-    WX_GL_DOUBLEBUFFER,    /* use doublebuffer */
-    WX_GL_STEREO,          /* use stereoscopic display */
-    WX_GL_AUX_BUFFERS,     /* number of auxiliary buffers */
-    WX_GL_MIN_RED,         /* use red buffer with most bits (> MIN_RED bits) */
-    WX_GL_MIN_GREEN,       /* use green buffer with most bits (> MIN_GREEN bits) */
-    WX_GL_MIN_BLUE,        /* use blue buffer with most bits (> MIN_BLUE bits) */
-    WX_GL_MIN_ALPHA,       /* use alpha buffer with most bits (> MIN_ALPHA bits) */
-    WX_GL_DEPTH_SIZE,      /* bits for Z-buffer (0,16,32) */
-    WX_GL_STENCIL_SIZE,    /* bits for stencil buffer */
-    WX_GL_MIN_ACCUM_RED,   /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */
-    WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */
-    WX_GL_MIN_ACCUM_BLUE,  /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */
-    WX_GL_MIN_ACCUM_ALPHA  /* use alpha buffer with most bits (> MIN_ACCUM_ALPHA bits) */
+    WX_GL_RGBA = 1,        // use true color palette (on if no attrs specified)
+    WX_GL_BUFFER_SIZE,     // bits for buffer if not WX_GL_RGBA
+    WX_GL_LEVEL,           // 0 for main buffer, >0 for overlay, <0 for underlay
+    WX_GL_DOUBLEBUFFER,    // use double buffering (on if no attrs specified)
+    WX_GL_STEREO,          // use stereoscopic display
+    WX_GL_AUX_BUFFERS,     // number of auxiliary buffers
+    WX_GL_MIN_RED,         // use red buffer with most bits (> MIN_RED bits)
+    WX_GL_MIN_GREEN,       // use green buffer with most bits (> MIN_GREEN bits)
+    WX_GL_MIN_BLUE,        // use blue buffer with most bits (> MIN_BLUE bits)
+    WX_GL_MIN_ALPHA,       // use alpha buffer with most bits (> MIN_ALPHA bits)
+    WX_GL_DEPTH_SIZE,      // bits for Z-buffer (0,16,32)
+    WX_GL_STENCIL_SIZE,    // bits for stencil buffer
+    WX_GL_MIN_ACCUM_RED,   // use red accum buffer with most bits (> MIN_ACCUM_RED bits)
+    WX_GL_MIN_ACCUM_GREEN, // use green buffer with most bits (> MIN_ACCUM_GREEN bits)
+    WX_GL_MIN_ACCUM_BLUE,  // use blue buffer with most bits (> MIN_ACCUM_BLUE bits)
+    WX_GL_MIN_ACCUM_ALPHA, // use alpha buffer with most bits (> MIN_ACCUM_ALPHA bits)
+    WX_GL_SAMPLE_BUFFERS,  // 1 for multisampling support (antialiasing)
+    WX_GL_SAMPLES          // 4 for 2x2 antialiasing supersampling on most graphics cards

 };
 
 };
 

-#define wxGLCanvasName _T("GLCanvas")
+#define wxGLCanvasName wxT("GLCanvas")

 
 // ----------------------------------------------------------------------------
 // wxGLContextBase: OpenGL rendering context
 
 // ----------------------------------------------------------------------------
 // wxGLContextBase: OpenGL rendering context


@@ -108,7 +110,12 @@ public:
     // accessors
     // ---------
 
     // accessors
     // ---------
 

+    // check if the given attributes are supported without creating a canvas
+    static bool IsDisplaySupported(const int *attribList);
+
+#if wxUSE_PALETTE

     const wxPalette *GetPalette() const { return &m_palette; }
     const wxPalette *GetPalette() const { return &m_palette; }

+#endif // wxUSE_PALETTE

 
     // miscellaneous helper functions
     // ------------------------------
 
     // miscellaneous helper functions
     // ------------------------------


@@ -117,7 +124,13 @@ public:
     // colour not found
     bool SetColour(const wxString& colour);
 
     // colour not found
     bool SetColour(const wxString& colour);
 

-
+    // return true if the extension with given name is supported
+    //
+    // notice that while this function is implemented for all of GLX, WGL and
+    // AGL the extensions names are usually not the same for different
+    // platforms and so the code using it still usually uses conditional
+    // compilation
+    static bool IsExtensionSupported(const char *extension);

 
     // deprecated methods using the implicit wxGLContext
 #if WXWIN_COMPATIBILITY_2_8
 
     // deprecated methods using the implicit wxGLContext
 #if WXWIN_COMPATIBILITY_2_8


@@ -130,7 +143,7 @@ public:
 
 #ifdef __WXUNIVERSAL__
     // resolve the conflict with wxWindowUniv::SetCurrent()
 
 #ifdef __WXUNIVERSAL__
     // resolve the conflict with wxWindowUniv::SetCurrent()

-    virtual bool SetCurrent(bool doit) { return wxWindow::SetCurrent(doit); };
+    virtual bool SetCurrent(bool doit) { return wxWindow::SetCurrent(doit); }

 #endif
 
 protected:
 #endif
 
 protected:


@@ -138,12 +151,18 @@ protected:
     // (currently only implemented in wxX11 and wxMotif ports)
     virtual int GetColourIndex(const wxColour& WXUNUSED(col)) { return -1; }
 
     // (currently only implemented in wxX11 and wxMotif ports)
     virtual int GetColourIndex(const wxColour& WXUNUSED(col)) { return -1; }
 

+    // check if the given extension name is present in the space-separated list
+    // of extensions supported by the current implementation such as returned
+    // by glXQueryExtensionsString() or glGetString(GL_EXTENSIONS)
+    static bool IsExtensionInList(const char *list, const char *extension);
+
+#if wxUSE_PALETTE

     // create default palette if we're not using RGBA mode
     // (not supported in most ports)
     virtual wxPalette CreateDefaultPalette() { return wxNullPalette; }
 
     // create default palette if we're not using RGBA mode
     // (not supported in most ports)
     virtual wxPalette CreateDefaultPalette() { return wxNullPalette; }
 

-

     wxPalette m_palette;
     wxPalette m_palette;

+#endif // wxUSE_PALETTE

 
 #if WXWIN_COMPATIBILITY_2_8
     wxGLContext *m_glContext;
 
 #if WXWIN_COMPATIBILITY_2_8
     wxGLContext *m_glContext;


@@ -175,7 +194,7 @@ public:
 #elif defined(__WXGTK__)
     #include "wx/gtk1/glcanvas.h"
 #elif defined(__WXMAC__)
 #elif defined(__WXGTK__)
     #include "wx/gtk1/glcanvas.h"
 #elif defined(__WXMAC__)

-    #include "wx/mac/glcanvas.h"
+    #include "wx/osx/glcanvas.h"

 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/glcanvas.h"
 #else
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/glcanvas.h"
 #else


@@ -198,6 +217,33 @@ private:
 
 #endif // !wxGL_APP_DEFINED
 
 
 #endif // !wxGL_APP_DEFINED
 

+// ----------------------------------------------------------------------------
+// wxGLAPI: an API wrapper that allows the use of 'old' APIs even on OpenGL
+// platforms that don't support it natively anymore, if the APIs are available
+// it's a mere redirect
+// ----------------------------------------------------------------------------
+
+#ifndef wxUSE_OPENGL_EMULATION
+    #define wxUSE_OPENGL_EMULATION 0
+#endif
+
+class WXDLLIMPEXP_GL wxGLAPI : public wxObject
+{
+public:
+    wxGLAPI();
+    ~wxGLAPI();
+
+    static void glFrustum(GLfloat left, GLfloat right, GLfloat bottom,
+                            GLfloat top, GLfloat zNear, GLfloat zFar);
+    static void glBegin(GLenum mode);
+    static void glTexCoord2f(GLfloat s, GLfloat t);
+    static void glVertex3f(GLfloat x, GLfloat y, GLfloat z);
+    static void glNormal3f(GLfloat nx, GLfloat ny, GLfloat nz);
+    static void glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
+    static void glColor3f(GLfloat r, GLfloat g, GLfloat b);
+    static void glEnd();
+};
+

 #endif // wxUSE_GLCANVAS
 
 #endif // _WX_GLCANVAS_H_BASE_
 #endif // wxUSE_GLCANVAS
 
 #endif // _WX_GLCANVAS_H_BASE_