diff options
| -rw-r--r-- | wrappers/trace.py | 2 | ||||
| -rw-r--r-- | wrappers/wgltrace.py | 57 |
2 files changed, 59 insertions, 0 deletions
diff --git a/wrappers/trace.py b/wrappers/trace.py index a43841fc..c1504cd7 100644 --- a/wrappers/trace.py +++ b/wrappers/trace.py @@ -965,6 +965,7 @@ class Tracer: print ' trace::fakeMemcpy(%s, %s);' % (ptr, size) def fake_call(self, function, args): + print ' {' print ' unsigned _fake_call = trace::localWriter.beginEnter(&_%s_sig, true);' % (function.name,) for arg, instance in zip(function.args, args): assert not arg.output @@ -974,4 +975,5 @@ class Tracer: print ' trace::localWriter.endEnter();' print ' trace::localWriter.beginLeave(_fake_call);' print ' trace::localWriter.endLeave();' + print ' }' diff --git a/wrappers/wgltrace.py b/wrappers/wgltrace.py index bc79d774..3d958b7c 100644 --- a/wrappers/wgltrace.py +++ b/wrappers/wgltrace.py @@ -97,6 +97,63 @@ class WglTracer(GlTracer): print ' gltrace::clearContext();' print ' }' + # Emit fake glBitmap calls in the trace on wglUseFontBitmapsA. + # This enables to capture the real bitmaps and replay them outside Windows. + # + # XXX: In spite what + # https://msdn.microsoft.com/en-us/library/windows/desktop/dd374392.aspx + # implies, GetGlyphOutline(GGO_BITMAP) does not seem to work with + # certain fonts. The only solution is to draw the font charactors with + # a HBITMAP like the old Mesa fxwgl.c code used to do. That too, seems + # to be the way that opengl32.dll implements wglUseFontBitmaps. + # + if function.name == 'wglUseFontBitmapsA': + glNewList = glapi.getFunctionByName('glNewList') + glBitmap = glapi.getFunctionByName('glBitmap') + glEndList = glapi.getFunctionByName('glEndList') + + print r' bool warned = false;' + print r' for (DWORD i = 0; i < count; ++i) {' + self.fake_call(glNewList, ['listBase + i', 'GL_COMPILE']) + + print r' UINT uChar = first + i;' + print r' GLYPHMETRICS gm;' + print r' ZeroMemory(&gm, sizeof gm);' + print r' static const MAT2 mat2 = {{0, 1}, {0, 0}, {0, 0}, {0, -1}};' + print r' DWORD cbBuffer = GetGlyphOutlineA(hdc, uChar, GGO_BITMAP, &gm, 0, NULL, &mat2);' + print r' if (cbBuffer == GDI_ERROR) {' + print r' if (!warned) {' + print r' os::log("apitrace: warning: wglUseFontBitmapsA: GetGlyphOutlineA failed\n");' + print r' warned = true;' + print r' }' + print r' } else {' + print r' LPVOID lpvBuffer = NULL;' + print r' if (cbBuffer) {' + print r' lpvBuffer = malloc(cbBuffer);' + print r' DWORD dwRet;' + print r' dwRet = GetGlyphOutlineA(hdc, uChar, GGO_BITMAP, &gm, cbBuffer, lpvBuffer, &mat2);' + print r' assert(dwRet != GDI_ERROR);' + print r' assert(dwRet > 0);' + print r' }' + print r' GLsizei width = gm.gmBlackBoxX;' + print r' GLfloat height = gm.gmBlackBoxY;' + print r' GLfloat xorig = -gm.gmptGlyphOrigin.x;' + print r' GLfloat yorig = gm.gmptGlyphOrigin.y;' + print r' GLfloat xmove = gm.gmCellIncX;' + print r' GLfloat ymove = gm.gmCellIncY;' + print r' if (cbBuffer == 0) {' + print r' // We still need to emit an empty glBitmap for empty characters like spaces;' + print r' width = height = xorig = yorig = 0;' + print r' }' + print r' const GLubyte *bitmap = (const GLubyte *)lpvBuffer;' + + self.fake_call(glBitmap, ['width', 'height', 'xorig', 'yorig', 'xmove', 'ymove', 'bitmap']) + + print r' free(lpvBuffer);' + print r' }' + self.fake_call(glEndList, []) + print r' }' + if __name__ == '__main__': print |