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Send GL_PACK_INVERT_MESA state to the server. This fixes bug #2538.

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This commit is contained in:
Ian Romanick 2005-04-18 16:40:36 +00:00
parent b52673117b
commit 2e823f29e4
1 changed files with 47 additions and 10 deletions
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57
src/glx/x11/pixelstore.c
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@ -37,6 +37,31 @@
#include "glxclient.h"
#include "indirect.h"
/**
* Send glPixelStore command to the server
*
* \param gc Current GLX context
* \param sop Either \c X_GLsop_PixelStoref or \c X_GLsop_PixelStorei
* \param pname Selector of which pixel parameter is to be set.
* \param param Value that \c pname is set to.
*
* \sa __indirect_glPixelStorei, __indirect_glPixelStoref
*/
static void
send_PixelStore( __GLXcontext * gc, unsigned sop, GLenum pname,
const void * param )
{
Display * const dpy = gc->currentDpy;
const GLuint cmdlen = 8;
if (__builtin_expect(dpy != NULL, 1)) {
GLubyte const * pc = __glXSetupSingleRequest(gc, sop, cmdlen);
(void) memcpy((void *)(pc + 0), (void *)(&pname), 4);
(void) memcpy((void *)(pc + 4), param, 4);
UnlockDisplay(dpy); SyncHandle();
}
return;
}
/*
** Specify parameters that control the storage format of pixel arrays.
*/
@ -165,12 +190,18 @@ void __indirect_glPixelStoref(GLenum pname, GLfloat param)
case GL_UNPACK_LSB_FIRST:
state->storeUnpack.lsbFirst = (param != 0);
break;
/* Group all of the pixel store modes that need to be sent to the
* server here. Care must be used to only send modes to the server that
* won't affect the size of the data sent to or received from the
* server. GL_PACK_INVERT_MESA is safe in this respect, but other,
* future modes may not be.
*/
case GL_PACK_INVERT_MESA:
send_PixelStore( gc, X_GLsop_PixelStoref, pname, & param );
break;
default:
/*
** NOTE: there are currently no pixel storage commands that need to
** be sent to the server. This may change in future versions
** of the API, however.
*/
__glXSetError(gc, GL_INVALID_ENUM);
break;
}
@ -288,12 +319,18 @@ void __indirect_glPixelStorei(GLenum pname, GLint param)
case GL_UNPACK_LSB_FIRST:
state->storeUnpack.lsbFirst = (param != 0);
break;
/* Group all of the pixel store modes that need to be sent to the
* server here. Care must be used to only send modes to the server that
* won't affect the size of the data sent to or received from the
* server. GL_PACK_INVERT_MESA is safe in this respect, but other,
* future modes may not be.
*/
case GL_PACK_INVERT_MESA:
send_PixelStore( gc, X_GLsop_PixelStorei, pname, & param );
break;
default:
/*
** NOTE: there are currently no pixel storage commands that need to
** be sent to the server. This may change in future versions
** of the API, however.
*/
__glXSetError(gc, GL_INVALID_ENUM);
break;
}