Initial mach64 driver import for DRI mach64-0-0-6 branch,

this compiles but I doubt it works but it is a better starting point
than the branch

1 files changed, 305 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/mach64/mach64_native_vb.c b/src/mesa/drivers/dri/mach64/mach64_native_vb.c
new file mode 100644
index 0000000000..a348954721
--- /dev/null
+++ b/src/mesa/drivers/dri/mach64/mach64_native_vb.c
@@ -0,0 +1,305 @@
+/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * Copyright (C) 1999-2001  Brian Paul   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 and this permission notice 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
+ * BRIAN PAUL 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.
+ *
+ * Original authors:
+ *    Keith Whitwell <keithw@valinux.com>
+ *
+ * Adapted to Mach64 by:
+ *    José Fonseca <j_r_fonseca@yahoo.co.uk>
+ */
+
+#include "math/m_translate.h"
+
+#ifndef LOCALVARS
+#define LOCALVARS
+#endif
+
+void TAG(translate_vertex)(GLcontext *ctx,
+			   const VERTEX *src,
+			   SWvertex *dst)
+{
+   LOCALVARS
+   GLuint format = GET_VERTEX_FORMAT();
+   UNVIEWPORT_VARS;
+   CARD32 *p = (CARD32 *)src + 10 - mmesa->vertex_size;
+
+   dst->win[3] = 1.0;
+   
+   switch ( format ) {
+      case TEX1_VERTEX_FORMAT:
+#ifdef MACH64_PREMULT_TEXCOORDS
+	 {
+	    float rhw = 1.0 / LE32_IN_FLOAT( p + 2 );
+	    
+	    dst->texcoord[1][0] = rhw*LE32_IN_FLOAT( p++ );
+	    dst->texcoord[1][1] = rhw*LE32_IN_FLOAT( p++ );
+	 }
+#else
+	 dst->texcoord[1][0] = LE32_IN_FLOAT( p++ );
+	 dst->texcoord[1][1] = LE32_IN_FLOAT( p++ );
+#endif
+	 dst->texcoord[1][3] = 1.0;
+	 p++;
+
+      case TEX0_VERTEX_FORMAT:
+#ifdef MACH64_PREMULT_TEXCOORDS
+	 {
+	    float rhw = 1.0 / LE32_IN_FLOAT( p + 2 );
+	    
+	    dst->texcoord[0][0] = rhw*LE32_IN_FLOAT( p++ );
+	    dst->texcoord[0][1] = rhw*LE32_IN_FLOAT( p++ );
+	 }
+#else
+	 dst->texcoord[0][0] = LE32_IN_FLOAT( p++ );
+	 dst->texcoord[0][1] = LE32_IN_FLOAT( p++ );
+#endif
+	 dst->texcoord[0][3] = 1.0;
+	 dst->win[3] = LE32_IN_FLOAT( p++ );
+	
+      case NOTEX_VERTEX_FORMAT:
+	 dst->specular[2] = *((GLubyte *)p)++;
+	 dst->specular[1] = *((GLubyte *)p)++;
+	 dst->specular[0] = *((GLubyte *)p)++;
+	 dst->fog = *((GLubyte *)p)++;
+
+      case TINY_VERTEX_FORMAT:
+	 dst->win[2] = UNVIEWPORT_Z( LE32_IN( p++ ) );
+
+	 dst->color[2] = *((GLubyte *)p)++;
+	 dst->color[1] = *((GLubyte *)p)++;
+	 dst->color[0] = *((GLubyte *)p)++;
+	 dst->color[3] = *((GLubyte *)p)++;
+	 
+	 {
+	    GLuint xy = LE32_IN( p );
+	    
+	    dst->win[0] = UNVIEWPORT_X( (GLfloat)(GLshort)( xy >> 16 ) );
+	    dst->win[1] = UNVIEWPORT_Y( (GLfloat)(GLshort)( xy & 0xffff ) );
+	 }
+   }
+
+   assert( p + 1 - (CARD32 *)src == 10 );
+	 
+   dst->pointSize = ctx->Point._Size;
+}
+
+
+
+void TAG(print_vertex)( GLcontext *ctx, const VERTEX *v )
+{
+   LOCALVARS
+   GLuint format = GET_VERTEX_FORMAT();
+   CARD32 *p = (CARD32 *)v + 10 - mmesa->vertex_size;
+   
+   switch ( format ) {
+      case TEX1_VERTEX_FORMAT:
+	 {
+	    GLfloat u, v, w;
+#ifdef MACH64_PREMULT_TEXCOORDS
+	    float rhw = 1.0 / LE32_IN_FLOAT( p + 2 );
+	    
+	    u = rhw*LE32_IN_FLOAT( p++ );
+	    v = rhw*LE32_IN_FLOAT( p++ );
+#else
+	    u = LE32_IN_FLOAT( p++ );
+	    v = LE32_IN_FLOAT( p++ );
+#endif
+	    w = LE32_IN_FLOAT( p++ );
+	    fprintf( stderr, "u1 %f v1 %f w1 %f\n", u, v, w );
+	 }
+
+      case TEX0_VERTEX_FORMAT:
+	 {
+	    GLfloat u, v, w;
+#ifdef MACH64_PREMULT_TEXCOORDS
+	    float rhw = 1.0 / LE32_IN_FLOAT( p + 2 );
+	    
+	    u = rhw*LE32_IN_FLOAT( p++ );
+	    v = rhw*LE32_IN_FLOAT( p++ );
+#else
+	    u = LE32_IN_FLOAT( p++ );
+	    v = LE32_IN_FLOAT( p++ );
+#endif
+	    w = LE32_IN_FLOAT( p++ );
+	    fprintf( stderr, "u0 %f v0 %f w0 %f\n", u, v, w );
+	 }
+	
+      case NOTEX_VERTEX_FORMAT:
+	 {
+	    GLubyte r, g, b, a;
+	    
+	    b = *((GLubyte *)p)++;
+	    g = *((GLubyte *)p)++;
+	    r = *((GLubyte *)p)++;
+	    a = *((GLubyte *)p)++;
+
+	    fprintf(stderr, "spec: r %d g %d b %d a %d\n", r, g, b, a);
+	 }
+
+      case TINY_VERTEX_FORMAT:
+	 {
+	    GLuint xy;
+	    GLfloat x, y, z;
+	    GLubyte r, g, b, a;
+	    
+	    z = LE32_IN( p++ ) / 65536.0;
+
+	    b = *((GLubyte *)p)++;
+	    g = *((GLubyte *)p)++;
+	    r = *((GLubyte *)p)++;
+	    a = *((GLubyte *)p)++;
+	 
+	    xy = LE32_IN( p );
+	    x = (GLfloat)(GLshort)( xy >> 16 ) / 4.0;
+	    y = (GLfloat)(GLshort)( xy & 0xffff ) / 4.0;
+	    
+	    fprintf(stderr, "x %f y %f z %f\n", x, y, z);
+	    fprintf(stderr, "r %d g %d b %d a %d\n", r, g, b, a);
+	 }
+   }
+   
+   assert( p + 1 - (CARD32 *)v == 10 );	 
+
+   fprintf(stderr, "\n");
+}
+
+static void do_import( struct vertex_buffer *VB,
+		       struct gl_client_array *to,
+		       struct gl_client_array *from )
+{
+   GLuint count = VB->Count;
+
+   if (!to->Ptr) {
+      to->Ptr = ALIGN_MALLOC( VB->Size * 4 * sizeof(GLubyte), 32 );
+      to->Type = GL_UNSIGNED_BYTE;
+   }
+
+   /* No need to transform the same value 3000 times.
+    */
+   if (!from->StrideB) {
+      to->StrideB = 0;
+      count = 1;
+   }
+   else
+      to->StrideB = 4 * sizeof(GLubyte);
+   
+   _math_trans_4ub( (GLubyte (*)[4]) to->Ptr,
+		    from->Ptr,
+		    from->StrideB,
+		    from->Type,
+		    from->Size,
+		    0,
+		    count);
+}
+
+#ifndef IMPORT_QUALIFIER
+#define IMPORT_QUALIFIER static
+#endif
+
+IMPORT_QUALIFIER void TAG(import_float_colors)( GLcontext *ctx )
+{
+   LOCALVARS
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+   struct gl_client_array *to = GET_UBYTE_COLOR_STORE();
+   do_import( VB, to, VB->ColorPtr[0] );
+   VB->ColorPtr[0] = to;
+}
+
+IMPORT_QUALIFIER void TAG(import_float_spec_colors)( GLcontext *ctx )
+{
+   LOCALVARS
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+   struct gl_client_array *to = GET_UBYTE_SPEC_COLOR_STORE();
+   do_import( VB, to, VB->SecondaryColorPtr[0] );
+   VB->SecondaryColorPtr[0] = to;
+}
+
+/* Interpolate the elements of the VB not included in typical hardware
+ * vertices.  
+ *
+ * NOTE: All these arrays are guarenteed by tnl to be writeable and
+ * have good stride.
+ */
+#ifndef INTERP_QUALIFIER 
+#define INTERP_QUALIFIER static
+#endif
+
+#define GET_COLOR(ptr, idx) ((ptr)->data[idx])
+
+
+INTERP_QUALIFIER void TAG(interp_extras)( GLcontext *ctx,
+					  GLfloat t,
+					  GLuint dst, GLuint out, GLuint in,
+					  GLboolean force_boundary )
+{
+   LOCALVARS
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+
+   if (VB->ColorPtr[1]) {
+      INTERP_4CHAN( t,
+		    GET_COLOR(VB->ColorPtr[1], dst),
+		    GET_COLOR(VB->ColorPtr[1], out),
+		    GET_COLOR(VB->ColorPtr[1], in) );
+
+      if (VB->SecondaryColorPtr[1]) {
+	 INTERP_3CHAN( t,
+		       GET_COLOR(VB->SecondaryColorPtr[1], dst),
+		       GET_COLOR(VB->SecondaryColorPtr[1], out),
+		       GET_COLOR(VB->SecondaryColorPtr[1], in) );
+      }
+   }
+
+   if (VB->EdgeFlag) {
+      VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary;
+   }
+
+   INTERP_VERTEX(ctx, t, dst, out, in, force_boundary);
+}
+
+INTERP_QUALIFIER void TAG(copy_pv_extras)( GLcontext *ctx, 
+					   GLuint dst, GLuint src )
+{
+   LOCALVARS
+      struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+
+   if (VB->ColorPtr[1]) {
+      COPY_CHAN4( GET_COLOR(VB->ColorPtr[1], dst), 
+		  GET_COLOR(VB->ColorPtr[1], src) );
+
+      if (VB->SecondaryColorPtr[1]) {
+	 COPY_CHAN4( GET_COLOR(VB->SecondaryColorPtr[1], dst), 
+		     GET_COLOR(VB->SecondaryColorPtr[1], src) );
+      }
+   }
+
+   COPY_PV_VERTEX(ctx, dst, src);
+}
+
+
+#undef INTERP_QUALIFIER
+#undef IMPORT_QUALIFIER
+#undef GET_COLOR
+
+#undef IND
+#undef TAG