Retire miniglx and move the actual glx code up to src/glx

1 files changed, 352 insertions, 0 deletions

diff --git a/src/glx/pixelstore.c b/src/glx/pixelstore.c
new file mode 100644
index 0000000000..8b51b5d8b7
--- /dev/null
+++ b/src/glx/pixelstore.c
@@ -0,0 +1,352 @@
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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, sublicense,
+ * 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 including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. 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.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#include "glxclient.h"
+#include "indirect.h"
+
+#if !defined __GNUC__ || __GNUC__ < 3
+#  define __builtin_expect(x, y) x
+#endif
+
+/**
+ * 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.
+*/
+void
+__indirect_glPixelStoref(GLenum pname, GLfloat param)
+{
+   __GLXcontext *gc = __glXGetCurrentContext();
+   __GLXattribute *state = gc->client_state_private;
+   Display *dpy = gc->currentDpy;
+   GLuint a;
+
+   if (!dpy)
+      return;
+
+   switch (pname) {
+   case GL_PACK_ROW_LENGTH:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.rowLength = a;
+      break;
+   case GL_PACK_IMAGE_HEIGHT:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.imageHeight = a;
+      break;
+   case GL_PACK_SKIP_ROWS:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.skipRows = a;
+      break;
+   case GL_PACK_SKIP_PIXELS:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.skipPixels = a;
+      break;
+   case GL_PACK_SKIP_IMAGES:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.skipImages = a;
+      break;
+   case GL_PACK_ALIGNMENT:
+      a = (GLint) (param + 0.5);
+      switch (a) {
+      case 1:
+      case 2:
+      case 4:
+      case 8:
+         state->storePack.alignment = a;
+         break;
+      default:
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      break;
+   case GL_PACK_SWAP_BYTES:
+      state->storePack.swapEndian = (param != 0);
+      break;
+   case GL_PACK_LSB_FIRST:
+      state->storePack.lsbFirst = (param != 0);
+      break;
+
+   case GL_UNPACK_ROW_LENGTH:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.rowLength = a;
+      break;
+   case GL_UNPACK_IMAGE_HEIGHT:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.imageHeight = a;
+      break;
+   case GL_UNPACK_SKIP_ROWS:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.skipRows = a;
+      break;
+   case GL_UNPACK_SKIP_PIXELS:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.skipPixels = a;
+      break;
+   case GL_UNPACK_SKIP_IMAGES:
+      a = (GLuint) (param + 0.5);
+      if (((GLint) a) < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.skipImages = a;
+      break;
+   case GL_UNPACK_ALIGNMENT:
+      a = (GLint) (param + 0.5);
+      switch (a) {
+      case 1:
+      case 2:
+      case 4:
+      case 8:
+         state->storeUnpack.alignment = a;
+         break;
+      default:
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      break;
+   case GL_UNPACK_SWAP_BYTES:
+      state->storeUnpack.swapEndian = (param != 0);
+      break;
+   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:
+      __glXSetError(gc, GL_INVALID_ENUM);
+      break;
+   }
+}
+
+void
+__indirect_glPixelStorei(GLenum pname, GLint param)
+{
+   __GLXcontext *gc = __glXGetCurrentContext();
+   __GLXattribute *state = gc->client_state_private;
+   Display *dpy = gc->currentDpy;
+
+   if (!dpy)
+      return;
+
+   switch (pname) {
+   case GL_PACK_ROW_LENGTH:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.rowLength = param;
+      break;
+   case GL_PACK_IMAGE_HEIGHT:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.imageHeight = param;
+      break;
+   case GL_PACK_SKIP_ROWS:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.skipRows = param;
+      break;
+   case GL_PACK_SKIP_PIXELS:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.skipPixels = param;
+      break;
+   case GL_PACK_SKIP_IMAGES:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storePack.skipImages = param;
+      break;
+   case GL_PACK_ALIGNMENT:
+      switch (param) {
+      case 1:
+      case 2:
+      case 4:
+      case 8:
+         state->storePack.alignment = param;
+         break;
+      default:
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      break;
+   case GL_PACK_SWAP_BYTES:
+      state->storePack.swapEndian = (param != 0);
+      break;
+   case GL_PACK_LSB_FIRST:
+      state->storePack.lsbFirst = (param != 0);
+      break;
+
+   case GL_UNPACK_ROW_LENGTH:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.rowLength = param;
+      break;
+   case GL_UNPACK_IMAGE_HEIGHT:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.imageHeight = param;
+      break;
+   case GL_UNPACK_SKIP_ROWS:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.skipRows = param;
+      break;
+   case GL_UNPACK_SKIP_PIXELS:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.skipPixels = param;
+      break;
+   case GL_UNPACK_SKIP_IMAGES:
+      if (param < 0) {
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      state->storeUnpack.skipImages = param;
+      break;
+   case GL_UNPACK_ALIGNMENT:
+      switch (param) {
+      case 1:
+      case 2:
+      case 4:
+      case 8:
+         state->storeUnpack.alignment = param;
+         break;
+      default:
+         __glXSetError(gc, GL_INVALID_VALUE);
+         return;
+      }
+      break;
+   case GL_UNPACK_SWAP_BYTES:
+      state->storeUnpack.swapEndian = (param != 0);
+      break;
+   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:
+      __glXSetError(gc, GL_INVALID_ENUM);
+      break;
+   }
+}