diff options
| -rw-r--r-- | src/mesa/main/drawpix.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c index 4f287666746..fde93384309 100644 --- a/src/mesa/main/drawpix.c +++ b/src/mesa/main/drawpix.c @@ -374,8 +374,9 @@ _mesa_Bitmap( GLsizei width, GLsizei height, if (ctx->RenderMode == GL_RENDER) { /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */ - GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig); - GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig); + const GLfloat epsilon = 0.0001; + GLint x = IFLOOR(ctx->Current.RasterPos[0] + epsilon - xorig); + GLint y = IFLOOR(ctx->Current.RasterPos[1] + epsilon - yorig); if (ctx->Unpack.BufferObj->Name) { /* unpack from PBO */ |