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

1 files changed, 212 insertions, 0 deletions

diff --git a/src/glx/vertarr.c b/src/glx/vertarr.c
new file mode 100644
index 0000000000..398cfb1e79
--- /dev/null
+++ b/src/glx/vertarr.c
@@ -0,0 +1,212 @@
+/*
+ * 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"
+#include "indirect_vertex_array.h"
+
+
+/*****************************************************************************/
+
+/**
+ * \name Vertex array pointer bridge functions
+ *
+ * When EXT_vertex_array was moved into the core GL spec, the \c count
+ * parameter was lost.  This libGL really only wants to implement the GL 1.1
+ * version, but we need to support applications that were written to the old
+ * interface.  These bridge functions are part of the glue that makes this
+ * happen.
+ */
+/*@{*/
+void
+__indirect_glColorPointerEXT(GLint size, GLenum type, GLsizei stride,
+                             GLsizei count, const GLvoid * pointer)
+{
+   (void) count;
+   __indirect_glColorPointer(size, type, stride, pointer);
+}
+
+void
+__indirect_glEdgeFlagPointerEXT(GLsizei stride,
+                                GLsizei count, const GLboolean * pointer)
+{
+   (void) count;
+   __indirect_glEdgeFlagPointer(stride, pointer);
+}
+
+void
+__indirect_glIndexPointerEXT(GLenum type, GLsizei stride,
+                             GLsizei count, const GLvoid * pointer)
+{
+   (void) count;
+   __indirect_glIndexPointer(type, stride, pointer);
+}
+
+void
+__indirect_glNormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
+                              const GLvoid * pointer)
+{
+   (void) count;
+   __indirect_glNormalPointer(type, stride, pointer);
+}
+
+void
+__indirect_glTexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
+                                GLsizei count, const GLvoid * pointer)
+{
+   (void) count;
+   __indirect_glTexCoordPointer(size, type, stride, pointer);
+}
+
+void
+__indirect_glVertexPointerEXT(GLint size, GLenum type, GLsizei stride,
+                              GLsizei count, const GLvoid * pointer)
+{
+   (void) count;
+   __indirect_glVertexPointer(size, type, stride, pointer);
+}
+
+/*@}*/
+
+/*****************************************************************************/
+
+void
+__indirect_glInterleavedArrays(GLenum format, GLsizei stride,
+                               const GLvoid * pointer)
+{
+   __GLXcontext *gc = __glXGetCurrentContext();
+   __GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
+
+#define NONE  {0, 0, 0}
+#define F(x)  {GL_FLOAT, x, x * sizeof(GLfloat)}
+#define UB4   {GL_UNSIGNED_BYTE, 4, 4 * sizeof(GLubyte)}
+
+   /* Each row in this array describes the elements of a particular
+    * interleaved array mode.  Each column describes, in the order in which
+    * they appear in the interleaved arrays, one of the four possible types
+    * of vertex data that can appear in an interleaved array.
+    */
+   struct
+   {
+        /**
+	 * The enum describing the GL type, as would be passed to the
+	 * appropriate gl*Pointer function.
+	 */
+      GLushort type;
+
+        /**
+	 * Number of elements in the subarray, as would be passed (as the
+	 * \c size parameter) to the appropriate gl*Pointer function.
+	 */
+      GLubyte count;
+
+        /**
+	 * True size of a single element in the subarray, as would be passed
+	 * (as the \c stride parameter) to the appropriate gl*Pointer
+	 * function.
+	 */
+      GLubyte size;
+   }
+   static const modes[14][4] = {
+      /* texture color normal vertex */
+      {NONE, NONE, NONE, F(2)}, /* GL_V2F */
+      {NONE, NONE, NONE, F(3)}, /* GL_V3F */
+      {NONE, UB4, NONE, F(2)},  /* GL_C4UB_V2F */
+      {NONE, UB4, NONE, F(3)},  /* GL_C4UB_V3F */
+      {NONE, F(3), NONE, F(3)}, /* GL_C3F_V3F */
+      {NONE, NONE, F(3), F(3)}, /* GL_N3F_V3F */
+      {NONE, F(4), F(3), F(3)}, /* GL_C4F_N3F_V3F */
+      {F(2), NONE, NONE, F(3)}, /* GL_T2F_V3F */
+      {F(4), NONE, NONE, F(4)}, /* GL_T4F_V4F */
+      {F(2), UB4, NONE, F(3)},  /* GL_T2F_C4UB_V3F */
+      {F(2), F(3), NONE, F(3)}, /* GL_T2F_C3F_V3F */
+      {F(2), NONE, F(3), F(3)}, /* GL_T2F_N3F_V3F */
+      {F(2), F(4), F(3), F(3)}, /* GL_T2F_C4F_N3F_V3F */
+      {F(4), F(4), F(3), F(4)}, /* GL_T4F_C4F_N3F_V4F */
+   };
+#undef NONE
+#undef F
+#undef UB4
+
+   GLint trueStride, size;
+   int offsets[4];
+   unsigned i;
+   const int idx = format - GL_V2F;
+
+
+   /* All valid formats are on the range [GL_V2F, GL_V2F+0x0D].  Since idx
+    * is just the format biased by -GL_V2F, all valid idx values are on the
+    * range [0, 0x0D].
+    */
+   if ((idx < 0) || (idx > 0x0D)) {
+      __glXSetError(gc, GL_INVALID_ENUM);
+      return;
+   }
+
+   if (stride < 0) {
+      __glXSetError(gc, GL_INVALID_VALUE);
+      return;
+   }
+
+
+   /* If the 'count' for a subarray is non-zero, then the offset of its
+    * first element is at the currently accumulated 'size'.
+    */
+   size = 0;
+   for (i = 0; i < 4; i++) {
+      offsets[i] = (modes[idx][i].count != 0) ? size : -1;
+      size += modes[idx][i].size;
+   }
+
+   trueStride = (stride == 0) ? size : stride;
+
+   __glXArrayDisableAll(state);
+
+   if (offsets[0] >= 0) {
+      __indirect_glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+      __indirect_glTexCoordPointer(modes[idx][0].count, GL_FLOAT,
+                                   trueStride, (const char *) pointer);
+   }
+   if (offsets[1] >= 0) {
+      __indirect_glEnableClientState(GL_COLOR_ARRAY);
+      __indirect_glColorPointer(modes[idx][1].count, modes[idx][1].type,
+                                trueStride,
+                                (const char *) pointer + offsets[1]);
+   }
+   if (offsets[2] >= 0) {
+      __indirect_glEnableClientState(GL_NORMAL_ARRAY);
+      __indirect_glNormalPointer(GL_FLOAT, trueStride,
+                                 (const char *) pointer + offsets[2]);
+   }
+   __indirect_glEnableClientState(GL_VERTEX_ARRAY);
+   __indirect_glVertexPointer(modes[idx][3].count, GL_FLOAT,
+                              trueStride,
+                              (const char *) pointer + offsets[3]);
+}