diff options
Diffstat (limited to 'src/glx/x11/single2.c')
-rw-r--r-- | src/glx/x11/single2.c | 104 |
1 files changed, 103 insertions, 1 deletions
diff --git a/src/glx/x11/single2.c b/src/glx/x11/single2.c index 9732b6ef046..fc9c63a4649 100644 --- a/src/glx/x11/single2.c +++ b/src/glx/x11/single2.c @@ -1,4 +1,3 @@ -/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */ /* * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. @@ -36,6 +35,8 @@ #include "glxextensions.h" #include "indirect.h" #include "indirect_vertex_array.h" +#include "dispatch.h" +#include "glapi.h" /* Used for GL_ARB_transpose_matrix */ static void @@ -863,3 +864,104 @@ __indirect_glGetPointerv(GLenum pname, void **params) return; } } + + + +/** + * This was previously auto-generated, but we need to special-case + * how we handle writing into the 'residences' buffer when n%4!=0. + */ +#define X_GLsop_AreTexturesResident 143 +GLboolean +__indirect_glAreTexturesResident(GLsizei n, const GLuint * textures, + GLboolean * residences) +{ + __GLXcontext *const gc = __glXGetCurrentContext(); + Display *const dpy = gc->currentDpy; + GLboolean retval = (GLboolean) 0; + const GLuint cmdlen = 4 + __GLX_PAD((n * 4)); + if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) { +#ifdef USE_XCB + xcb_connection_t *c = XGetXCBConnection(dpy); + (void) __glXFlushRenderBuffer(gc, gc->pc); + xcb_glx_are_textures_resident_reply_t *reply = + xcb_glx_are_textures_resident_reply(c, + xcb_glx_are_textures_resident + (c, gc->currentContextTag, n, + textures), NULL); + (void) memcpy(residences, xcb_glx_are_textures_resident_data(reply), + xcb_glx_are_textures_resident_data_length(reply) * + sizeof(GLboolean)); + retval = reply->ret_val; + free(reply); +#else + GLubyte const *pc = + __glXSetupSingleRequest(gc, X_GLsop_AreTexturesResident, cmdlen); + (void) memcpy((void *) (pc + 0), (void *) (&n), 4); + (void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4)); + if (n & 3) { + /* n is not a multiple of four. + * When reply_is_always_array is TRUE, __glXReadReply() will + * put a multiple of four bytes into the dest buffer. If the + * caller's buffer is not a multiple of four in size, we'll write + * out of bounds. So use a temporary buffer that's a few bytes + * larger. + */ + GLboolean *res4 = malloc((n + 3) & ~3); + retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE); + memcpy(residences, res4, n); + free(res4); + } + else { + retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE); + } + UnlockDisplay(dpy); + SyncHandle(); +#endif /* USE_XCB */ + } + return retval; +} + + +/** + * This was previously auto-generated, but we need to special-case + * how we handle writing into the 'residences' buffer when n%4!=0. + */ +#define X_GLvop_AreTexturesResidentEXT 11 +GLboolean +glAreTexturesResidentEXT(GLsizei n, const GLuint * textures, + GLboolean * residences) +{ + __GLXcontext *const gc = __glXGetCurrentContext(); + + if (gc->isDirect) { + return CALL_AreTexturesResident(GET_DISPATCH(), + (n, textures, residences)); + } else { + __GLXcontext *const gc = __glXGetCurrentContext(); + Display *const dpy = gc->currentDpy; + GLboolean retval = (GLboolean) 0; + const GLuint cmdlen = 4 + __GLX_PAD((n * 4)); + if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) { + GLubyte const *pc = + __glXSetupVendorRequest(gc, X_GLXVendorPrivateWithReply, + X_GLvop_AreTexturesResidentEXT, + cmdlen); + (void) memcpy((void *) (pc + 0), (void *) (&n), 4); + (void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4)); + if (n & 3) { + /* see comments in __indirect_glAreTexturesResident() */ + GLboolean *res4 = malloc((n + 3) & ~3); + retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE); + memcpy(residences, res4, n); + free(res4); + } + else { + retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE); + } + UnlockDisplay(dpy); + SyncHandle(); + } + return retval; + } +} |