From fd54564f78d4aeae2c39ada7502ec659c14b3eca Mon Sep 17 00:00:00 2001 From: Brian Date: Sat, 19 May 2007 08:27:35 -0600 Subject: Implement GLX_EXT_texture_from_pixmap. Could be done more efficiently... but works. --- src/mesa/drivers/x11/fakeglx.c | 186 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 177 insertions(+), 9 deletions(-) (limited to 'src/mesa/drivers/x11/fakeglx.c') diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c index 86a4deabc6..ef22a3f03e 100644 --- a/src/mesa/drivers/x11/fakeglx.c +++ b/src/mesa/drivers/x11/fakeglx.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5.2 + * Version: 7.1 * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -78,6 +78,7 @@ "GLX_MESA_pixmap_colormap " \ "GLX_MESA_release_buffers " \ "GLX_ARB_get_proc_address " \ + "GLX_EXT_texture_from_pixmap " \ "GLX_EXT_visual_info " \ "GLX_EXT_visual_rating " \ /*"GLX_SGI_video_sync "*/ \ @@ -1223,6 +1224,30 @@ choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig ) /* ignore */ break; +#ifdef GLX_EXT_texture_from_pixmap + case GLX_BIND_TO_TEXTURE_RGB_EXT: + parselist++; /*skip*/ + break; + case GLX_BIND_TO_TEXTURE_RGBA_EXT: + parselist++; /*skip*/ + break; + case GLX_BIND_TO_MIPMAP_TEXTURE_EXT: + parselist++; /*skip*/ + break; + case GLX_BIND_TO_TEXTURE_TARGETS_EXT: + parselist++; + if (*parselist & ~(GLX_TEXTURE_1D_BIT_EXT | + GLX_TEXTURE_2D_BIT_EXT | + GLX_TEXTURE_RECTANGLE_BIT_EXT)) { + /* invalid bit */ + return NULL; + } + break; + case GLX_Y_INVERTED_EXT: + parselist++; /*skip*/ + break; +#endif + case None: /* end of list */ break; @@ -1878,6 +1903,27 @@ get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig ) *value = xmvis->visinfo->visualid; break; +#ifdef GLX_EXT_texture_from_pixmap + case GLX_BIND_TO_TEXTURE_RGB_EXT: + *value = True; /*XXX*/ + break; + case GLX_BIND_TO_TEXTURE_RGBA_EXT: + /* XXX review */ + *value = xmvis->mesa_visual.alphaBits > 0 ? True : False; + break; + case GLX_BIND_TO_MIPMAP_TEXTURE_EXT: + *value = True; /*XXX*/ + break; + case GLX_BIND_TO_TEXTURE_TARGETS_EXT: + *value = (GLX_TEXTURE_1D_BIT_EXT | + GLX_TEXTURE_2D_BIT_EXT | + GLX_TEXTURE_RECTANGLE_BIT_EXT); /*XXX*/ + break; + case GLX_Y_INVERTED_EXT: + *value = False; /*XXX*/ + break; +#endif + default: return GLX_BAD_ATTRIBUTE; } @@ -2145,16 +2191,102 @@ Fake_glXCreatePixmap( Display *dpy, GLXFBConfig config, Pixmap pixmap, { XMesaVisual v = (XMesaVisual) config; XMesaBuffer b; - - (void) dpy; - (void) config; - (void) pixmap; - (void) attribList; /* Ignored in GLX 1.3 */ + const int *attr; + int target = 0, format = 0, mipmap = 0; + int value; if (!dpy || !config || !pixmap) return 0; - b = XMesaCreatePixmapBuffer( v, pixmap, 0 ); + for (attr = attribList; *attr; attr++) { + switch (*attr) { + case GLX_TEXTURE_FORMAT_EXT: + attr++; + switch (*attr) { + case GLX_TEXTURE_FORMAT_NONE_EXT: + case GLX_TEXTURE_FORMAT_RGB_EXT: + case GLX_TEXTURE_FORMAT_RGBA_EXT: + format = *attr; + break; + default: + /* error */ + return 0; + } + break; + case GLX_TEXTURE_TARGET_EXT: + attr++; + switch (*attr) { + case GLX_TEXTURE_1D_EXT: + case GLX_TEXTURE_2D_EXT: + case GLX_TEXTURE_RECTANGLE_EXT: + target = *attr; + break; + default: + /* error */ + return 0; + } + break; + case GLX_MIPMAP_TEXTURE_EXT: + attr++; + if (*attr) + mipmap = 1; + break; + default: + /* error */ + return 0; + } + } + + if (format == GLX_TEXTURE_FORMAT_RGB_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_RGB_EXT, + &value, GL_TRUE) != Success + || !value) { + return 0; /* error! */ + } + } + else if (format == GLX_TEXTURE_FORMAT_RGBA_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_RGBA_EXT, + &value, GL_TRUE) != Success + || !value) { + return 0; /* error! */ + } + } + if (mipmap) { + if (get_config(v, GLX_BIND_TO_MIPMAP_TEXTURE_EXT, + &value, GL_TRUE) != Success + || !value) { + return 0; /* error! */ + } + } + if (target == GLX_TEXTURE_1D_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT, + &value, GL_TRUE) != Success + || (value & GLX_TEXTURE_1D_BIT_EXT) == 0) { + return 0; /* error! */ + } + } + else if (target == GLX_TEXTURE_2D_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT, + &value, GL_TRUE) != Success + || (value & GLX_TEXTURE_2D_BIT_EXT) == 0) { + return 0; /* error! */ + } + } + if (target == GLX_TEXTURE_RECTANGLE_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT, + &value, GL_TRUE) != Success + || (value & GLX_TEXTURE_RECTANGLE_BIT_EXT) == 0) { + return 0; /* error! */ + } + } + + if (format || target || mipmap) { + /* texture from pixmap */ + b = XMesaCreatePixmapTextureBuffer(v, pixmap, 0, format, target, mipmap); + } + else { + b = XMesaCreatePixmapBuffer( v, pixmap, 0 ); + } if (!b) { return 0; } @@ -2260,8 +2392,20 @@ Fake_glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute, case GLX_FBCONFIG_ID: *value = xmbuf->xm_visual->visinfo->visualid; return; +#ifdef GLX_EXT_texture_from_pixmap + case GLX_TEXTURE_FORMAT_EXT: + *value = xmbuf->TextureFormat; + break; + case GLX_TEXTURE_TARGET_EXT: + *value = xmbuf->TextureTarget; + break; + case GLX_MIPMAP_TEXTURE_EXT: + *value = xmbuf->TextureMipmap; + break; +#endif + default: - return; /* GLX_BAD_ATTRIBUTE? */ + return; /* raise BadValue error */ } } @@ -2854,6 +2998,26 @@ Fake_glXGetAGPOffsetMESA( const GLvoid *pointer ) } +/*** GLX_EXT_texture_from_pixmap ***/ + +static void +Fake_glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer, + const int *attrib_list) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, drawable); + if (b) + XMesaBindTexImage(dpy, b, buffer, attrib_list); +} + +static void +Fake_glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, drawable); + if (b) + XMesaReleaseTexImage(dpy, b, buffer); +} + + /* silence warning */ extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void); @@ -3009,5 +3173,9 @@ _mesa_GetGLXDispatchTable(void) /*** GLX_MESA_agp_offset ***/ glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA; + /*** GLX_EXT_texture_from_pixmap ***/ + glx.BindTexImageEXT = Fake_glXBindTexImageEXT; + glx.ReleaseTexImageEXT = Fake_glXReleaseTexImageEXT; + return &glx; } -- cgit v1.2.3