diff options
Diffstat (limited to 'xorg-server/glx/indirect_texture_compression.c')
-rw-r--r-- | xorg-server/glx/indirect_texture_compression.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/xorg-server/glx/indirect_texture_compression.c b/xorg-server/glx/indirect_texture_compression.c new file mode 100644 index 000000000..3c09663fc --- /dev/null +++ b/xorg-server/glx/indirect_texture_compression.c @@ -0,0 +1,120 @@ +/* + * (C) Copyright IBM Corporation 2005, 2006 + * 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"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * IBM, + * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define NEED_REPLIES +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "glxserver.h" +#include "glxbyteorder.h" +#include "glxext.h" +#include "singlesize.h" +#include "unpack.h" +#include "indirect_size_get.h" +#include "indirect_dispatch.h" +#include "glapitable.h" +#include "glapi.h" +#include "glthread.h" +#include "dispatch.h" + +int __glXDisp_GetCompressedTexImageARB(struct __GLXclientStateRec *cl, GLbyte *pc) +{ + xGLXSingleReq * const req = (xGLXSingleReq *) pc; + int error; + __GLXcontext * const cx = __glXForceCurrent( cl, req->contextTag, & error ); + ClientPtr client = cl->client; + + + pc += __GLX_SINGLE_HDR_SIZE; + if ( cx != NULL ) { + const GLenum target = *(GLenum *)(pc + 0); + const GLint level = *(GLint *)(pc + 4); + GLint compsize = 0; + char *answer, answerBuffer[200]; + + CALL_GetTexLevelParameteriv(GET_DISPATCH(), (target, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &compsize)); + + if ( compsize != 0 ) { + __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1); + __glXClearErrorOccured(); + CALL_GetCompressedTexImageARB(GET_DISPATCH(), (target, level, answer)); + } + + if (__glXErrorOccured()) { + __GLX_BEGIN_REPLY(0); + __GLX_SEND_HEADER(); + } else { + __GLX_BEGIN_REPLY(compsize); + ((xGLXGetTexImageReply *)&__glXReply)->width = compsize; + __GLX_SEND_HEADER(); + __GLX_SEND_VOID_ARRAY(compsize); + } + + error = Success; + } + + return error; +} + + +int __glXDispSwap_GetCompressedTexImageARB(struct __GLXclientStateRec *cl, GLbyte *pc) +{ + xGLXSingleReq * const req = (xGLXSingleReq *) pc; + int error; + __GLXcontext * const cx = __glXForceCurrent( cl, bswap_32( req->contextTag ), & error ); + ClientPtr client = cl->client; + + + pc += __GLX_SINGLE_HDR_SIZE; + if ( cx != NULL ) { + const GLenum target = (GLenum) bswap_32( *(int *)(pc + 0) ); + const GLint level = (GLint ) bswap_32( *(int *)(pc + 4) ); + GLint compsize = 0; + char *answer, answerBuffer[200]; + + CALL_GetTexLevelParameteriv(GET_DISPATCH(), (target, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &compsize)); + + if ( compsize != 0 ) { + __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1); + __glXClearErrorOccured(); + CALL_GetCompressedTexImageARB(GET_DISPATCH(), (target, level, answer)); + } + + if (__glXErrorOccured()) { + __GLX_BEGIN_REPLY(0); + __GLX_SEND_HEADER(); + } else { + __GLX_BEGIN_REPLY(compsize); + ((xGLXGetTexImageReply *)&__glXReply)->width = compsize; + __GLX_SEND_HEADER(); + __GLX_SEND_VOID_ARRAY(compsize); + } + + error = Success; + } + + return error; +} |