add the SiS driver - no kernel driver yet

(build tested, but not physically tested)

1 files changed, 464 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/sis/sis_vb.c b/src/mesa/drivers/dri/sis/sis_vb.c
new file mode 100644
index 0000000000..6d56451d69
--- /dev/null
+++ b/src/mesa/drivers/dri/sis/sis_vb.c
@@ -0,0 +1,464 @@
+/* $XFree86$ */
+/**************************************************************************
+
+Copyright 2003 Eric Anholt
+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
+on 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
+ATI, PRECISION INSIGHT 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *    Eric Anholt <anholt@FreeBSD.org>
+ */
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "macros.h"
+#include "colormac.h"
+
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/t_context.h"
+
+#include "sis_context.h"
+#include "sis_vb.h"
+#include "sis_tris.h"
+#include "sis_state.h"
+
+
+#define SIS_TEX1_BIT       0x1
+#define SIS_TEX0_BIT       0x2
+#define SIS_RGBA_BIT       0x4
+#define SIS_SPEC_BIT       0x8
+#define SIS_FOG_BIT	   0x10
+#define SIS_XYZW_BIT       0x20
+#define SIS_PTEX_BIT       0x40
+#define SIS_MAX_SETUP      0x80
+
+static struct {
+   void                (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint );
+   interp_func		interp;
+   copy_pv_func	        copy_pv;
+   GLboolean           (*check_tex_sizes)( GLcontext *ctx );
+   GLuint               vertex_size;
+   GLuint               vertex_stride_shift;
+   GLuint               vertex_format;
+} setup_tab[SIS_MAX_SETUP];
+
+#define TEX0_VERTEX_FORMAT	1
+#define TEX1_VERTEX_FORMAT	2
+
+#define TINY_VERTEX_FORMAT	0
+#define NOTEX_VERTEX_FORMAT	0
+#define PROJ_TEX1_VERTEX_FORMAT 0
+#define TEX2_VERTEX_FORMAT      0
+#define TEX3_VERTEX_FORMAT      0
+#define PROJ_TEX3_VERTEX_FORMAT 0
+
+#define DO_XYZW (IND & SIS_XYZW_BIT)
+#define DO_RGBA (IND & SIS_RGBA_BIT)
+#define DO_SPEC (IND & SIS_SPEC_BIT)
+#define DO_FOG  (IND & SIS_FOG_BIT)
+#define DO_TEX0 (IND & SIS_TEX0_BIT)
+#define DO_TEX1 (IND & SIS_TEX1_BIT)
+#define DO_TEX2 0
+#define DO_TEX3 0
+#define DO_PTEX (IND & SIS_PTEX_BIT)
+
+#define VERTEX sisVertex
+#define VERTEX_COLOR sis_color_t
+#define LOCALVARS sisContextPtr smesa = SIS_CONTEXT(ctx);
+#define GET_VIEWPORT_MAT() smesa->hw_viewport
+#define GET_TEXSOURCE(n)  n
+#define GET_VERTEX_FORMAT() smesa->vertex_format
+#define GET_VERTEX_STORE() smesa->verts
+#define GET_VERTEX_STRIDE_SHIFT() smesa->vertex_stride_shift
+#define GET_UBYTE_COLOR_STORE() &smesa->UbyteColor
+#define GET_UBYTE_SPEC_COLOR_STORE() &smesa->UbyteSecondaryColor
+
+#define HAVE_HW_VIEWPORT    0
+#define HAVE_HW_DIVIDE      0
+#define HAVE_RGBA_COLOR     0
+#define HAVE_TINY_VERTICES  0
+#define HAVE_NOTEX_VERTICES 0
+#define HAVE_TEX0_VERTICES  1
+#define HAVE_TEX1_VERTICES  1
+#define HAVE_TEX2_VERTICES  0
+#define HAVE_TEX3_VERTICES  0
+#define HAVE_PTEX_VERTICES  0
+
+#define UNVIEWPORT_VARS  GLfloat h = SIS_CONTEXT(ctx)->driDrawable->h
+#define UNVIEWPORT_X(x)  x - SUBPIXEL_X
+#define UNVIEWPORT_Y(y)  - y + h + SUBPIXEL_Y
+#define UNVIEWPORT_Z(z)  z / smesa->depth_scale
+
+#define PTEX_FALLBACK() FALLBACK(smesa, SIS_FALLBACK_TEXTURE, 1)
+
+#define IMPORT_FLOAT_COLORS sis_import_float_colors
+#define IMPORT_FLOAT_SPEC_COLORS sis_import_float_spec_colors
+
+#define INTERP_VERTEX setup_tab[smesa->SetupIndex].interp
+#define COPY_PV_VERTEX setup_tab[smesa->SetupIndex].copy_pv
+
+/***********************************************************************
+ *         Generate  pv-copying and translation functions              *
+ ***********************************************************************/
+
+#define TAG(x) sis_##x
+#include "tnl_dd/t_dd_vb.c"
+
+/***********************************************************************
+ *             Generate vertex emit and interp functions               *
+ ***********************************************************************/
+
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT)
+#define TAG(x) x##_wg
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_SPEC_BIT)
+#define TAG(x) x##_wgs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_wgt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_TEX0_BIT|SIS_TEX1_BIT)
+#define TAG(x) x##_wgt0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_TEX0_BIT|SIS_PTEX_BIT)
+#define TAG(x) x##_wgpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_SPEC_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_wgst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_SPEC_BIT|SIS_TEX0_BIT|\
+             SIS_TEX1_BIT)
+#define TAG(x) x##_wgst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_SPEC_BIT|SIS_TEX0_BIT|\
+             SIS_PTEX_BIT)
+#define TAG(x) x##_wgspt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT)
+#define TAG(x) x##_wgf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT|SIS_SPEC_BIT)
+#define TAG(x) x##_wgfs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_wgft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT|SIS_TEX0_BIT|\
+             SIS_TEX1_BIT)
+#define TAG(x) x##_wgft0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT|SIS_TEX0_BIT|\
+             SIS_PTEX_BIT)
+#define TAG(x) x##_wgfpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT|SIS_SPEC_BIT|\
+             SIS_TEX0_BIT)
+#define TAG(x) x##_wgfst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT|SIS_SPEC_BIT|\
+             SIS_TEX0_BIT|SIS_TEX1_BIT)
+#define TAG(x) x##_wgfst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_XYZW_BIT|SIS_RGBA_BIT|SIS_FOG_BIT|SIS_SPEC_BIT|\
+             SIS_TEX0_BIT|SIS_PTEX_BIT)
+#define TAG(x) x##_wgfspt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_TEX0_BIT)
+#define TAG(x) x##_t0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_TEX0_BIT|SIS_TEX1_BIT)
+#define TAG(x) x##_t0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_FOG_BIT)
+#define TAG(x) x##_f
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_FOG_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_ft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_FOG_BIT|SIS_TEX0_BIT|SIS_TEX1_BIT)
+#define TAG(x) x##_ft0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT)
+#define TAG(x) x##_g
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_SPEC_BIT)
+#define TAG(x) x##_gs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_gt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_TEX0_BIT|SIS_TEX1_BIT)
+#define TAG(x) x##_gt0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_SPEC_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_gst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_SPEC_BIT|SIS_TEX0_BIT|SIS_TEX1_BIT)
+#define TAG(x) x##_gst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_FOG_BIT)
+#define TAG(x) x##_gf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_FOG_BIT|SIS_SPEC_BIT)
+#define TAG(x) x##_gfs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_FOG_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_gft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_FOG_BIT|SIS_TEX0_BIT|SIS_TEX1_BIT)
+#define TAG(x) x##_gft0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_FOG_BIT|SIS_SPEC_BIT|SIS_TEX0_BIT)
+#define TAG(x) x##_gfst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (SIS_RGBA_BIT|SIS_FOG_BIT|SIS_SPEC_BIT|SIS_TEX0_BIT|\
+             SIS_TEX1_BIT)
+#define TAG(x) x##_gfst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+
+static void init_setup_tab( void )
+{
+   init_wg();
+   init_wgs();
+   init_wgt0();
+   init_wgt0t1();
+   init_wgpt0();
+   init_wgst0();
+   init_wgst0t1();
+   init_wgspt0();
+   init_wgf();
+   init_wgfs();
+   init_wgft0();
+   init_wgft0t1();
+   init_wgfpt0();
+   init_wgfst0();
+   init_wgfst0t1();
+   init_wgfspt0();
+   init_t0();
+   init_t0t1();
+   init_f();
+   init_ft0();
+   init_ft0t1();
+   init_g();
+   init_gs();
+   init_gt0();
+   init_gt0t1();
+   init_gst0();
+   init_gst0t1();
+   init_gf();
+   init_gfs();
+   init_gft0();
+   init_gft0t1();
+   init_gfst0();
+   init_gfst0t1();
+}
+
+
+
+void sisPrintSetupFlags(char *msg, GLuint flags )
+{
+   fprintf(stderr, "%s(%x): %s%s%s%s%s%s\n",
+	   msg,
+	   (int)flags,
+	   (flags & SIS_XYZW_BIT)     ? " xyzw," : "",
+	   (flags & SIS_RGBA_BIT)     ? " rgba," : "",
+	   (flags & SIS_SPEC_BIT)     ? " spec," : "",
+	   (flags & SIS_FOG_BIT)      ? " fog," : "",
+	   (flags & SIS_TEX0_BIT)     ? " tex-0," : "",
+	   (flags & SIS_TEX1_BIT)     ? " tex-1," : "");
+}
+
+
+
+void sisCheckTexSizes( GLcontext *ctx )
+{
+   sisContextPtr smesa = SIS_CONTEXT( ctx );
+
+   if (!setup_tab[smesa->SetupIndex].check_tex_sizes(ctx)) {
+      TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+      /* Invalidate stored verts
+       */
+      smesa->SetupNewInputs = ~0;
+      smesa->SetupIndex |= SIS_PTEX_BIT;
+
+      if (!smesa->Fallback &&
+	  !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
+	 tnl->Driver.Render.Interp = setup_tab[smesa->SetupIndex].interp;
+	 tnl->Driver.Render.CopyPV = setup_tab[smesa->SetupIndex].copy_pv;
+      }
+   }
+}
+
+void sisBuildVertices( GLcontext *ctx,
+		       GLuint start,
+		       GLuint count,
+		       GLuint newinputs )
+{
+   sisContextPtr smesa = SIS_CONTEXT( ctx );
+   GLubyte *v = ((GLubyte *)smesa->verts + (start<<smesa->vertex_stride_shift));
+   GLuint stride = 1 << smesa->vertex_stride_shift;
+
+   newinputs |= smesa->SetupNewInputs;
+   smesa->SetupNewInputs = 0;
+
+   if (!newinputs)
+      return;
+
+   if (newinputs & VERT_BIT_CLIP) {
+      setup_tab[smesa->SetupIndex].emit( ctx, start, count, v, stride );
+   } else {
+      GLuint ind = 0;
+
+      if (newinputs & VERT_BIT_COLOR0)
+	 ind |= SIS_RGBA_BIT;
+
+      if (newinputs & VERT_BIT_COLOR1)
+	 ind |= SIS_SPEC_BIT;
+
+      if (newinputs & VERT_BIT_TEX0)
+	 ind |= SIS_TEX0_BIT;
+
+      if (newinputs & VERT_BIT_TEX1)
+	 ind |= SIS_TEX1_BIT;
+
+      if (newinputs & VERT_BIT_FOG)
+	 ind |= SIS_FOG_BIT;
+
+      if (smesa->SetupIndex & SIS_PTEX_BIT)
+	 ind = ~0;
+
+      ind &= smesa->SetupIndex;
+
+      if (ind) {
+	 setup_tab[ind].emit( ctx, start, count, v, stride );
+      }
+   }
+}
+
+void sisChooseVertexState( GLcontext *ctx )
+{
+  TNLcontext *tnl = TNL_CONTEXT(ctx);
+  sisContextPtr smesa = SIS_CONTEXT( ctx );
+  GLuint ind = SIS_XYZW_BIT | SIS_RGBA_BIT;
+
+  if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
+    ind |= SIS_SPEC_BIT;
+
+  if (ctx->Fog.Enabled)
+    ind |= SIS_FOG_BIT;
+
+  if (ctx->Texture._EnabledUnits) {
+    ind |= SIS_TEX0_BIT;
+    if (ctx->Texture.Unit[0]._ReallyEnabled &&
+        ctx->Texture.Unit[1]._ReallyEnabled)
+    ind |= SIS_TEX1_BIT;
+  }
+
+  smesa->SetupIndex = ind;
+
+  if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE | DD_TRI_UNFILLED)) {
+    tnl->Driver.Render.Interp = sis_interp_extras;
+    tnl->Driver.Render.CopyPV = sis_copy_pv_extras;
+  } else {
+    tnl->Driver.Render.Interp = setup_tab[ind].interp;
+    tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
+  }
+
+  if (setup_tab[ind].vertex_format != smesa->vertex_format) {
+    smesa->vertex_format = setup_tab[ind].vertex_format;
+    smesa->vertex_size = setup_tab[ind].vertex_size;
+    smesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift;
+  }
+}
+
+
+void sisInitVB( GLcontext *ctx )
+{
+  sisContextPtr smesa = SIS_CONTEXT( ctx );
+  GLuint size = TNL_CONTEXT(ctx)->vb.Size;
+  static int firsttime = 1;
+
+  smesa->verts = (GLubyte *)ALIGN_MALLOC(size * 4 * 16, 32);
+
+  if (firsttime) {
+    init_setup_tab();
+    firsttime = 0;
+  }
+}
+
+void sisFreeVB( GLcontext *ctx )
+{
+  sisContextPtr smesa = SIS_CONTEXT( ctx );
+  if (smesa->verts) {
+    ALIGN_FREE(smesa->verts);
+    smesa->verts = NULL;
+  }
+
+
+  if (smesa->UbyteSecondaryColor.Ptr) {
+    ALIGN_FREE(smesa->UbyteSecondaryColor.Ptr);
+    smesa->UbyteSecondaryColor.Ptr = NULL;
+  }
+
+  if (smesa->UbyteColor.Ptr) {
+    ALIGN_FREE(smesa->UbyteColor.Ptr);
+    smesa->UbyteColor.Ptr = NULL;
+  }
+}