Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 339 insertions, 0 deletions

diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_vb.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_vb.c
new file mode 100644
index 000000000..dadf2b489
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_vb.c
@@ -0,0 +1,339 @@
+/*
+ * Author: Max Lingua <sunmax@libero.it>
+ */
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "macros.h"
+#include "colormac.h"
+
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/t_context.h"
+#include "tnl/tnl.h"
+
+#include "s3v_context.h"
+#include "s3v_vb.h"
+#include "s3v_tris.h"
+
+#define S3V_XYZW_BIT       0x1
+#define S3V_RGBA_BIT       0x2
+#define S3V_TEX0_BIT       0x4
+#define S3V_PTEX_BIT       0x8
+#define S3V_FOG_BIT        0x10
+#define S3V_MAX_SETUP      0x20
+
+static struct {
+   void                (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint );
+   tnl_interp_func	interp;
+   tnl_copy_pv_func	copy_pv;
+   GLboolean           (*check_tex_sizes)( GLcontext *ctx );
+   GLuint               vertex_size;
+   GLuint               vertex_stride_shift;
+   GLuint               vertex_format;
+} setup_tab[S3V_MAX_SETUP];
+
+
+/* Only one vertex format, atm, so no need to give them names:
+ */
+#define TINY_VERTEX_FORMAT      1
+#define NOTEX_VERTEX_FORMAT     0
+#define TEX0_VERTEX_FORMAT      0
+#define TEX1_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 & S3V_XYZW_BIT)
+#define DO_RGBA (IND & S3V_RGBA_BIT)
+#define DO_SPEC 0
+#define DO_FOG  (IND & S3V_FOG_BIT)
+#define DO_TEX0 (IND & S3V_TEX0_BIT)
+#define DO_TEX1 0
+#define DO_TEX2 0
+#define DO_TEX3 0
+#define DO_PTEX (IND & S3V_PTEX_BIT)
+			       
+#define VERTEX s3vVertex
+#define LOCALVARS /* s3vContextPtr vmesa = S3V_CONTEXT(ctx); */
+#define GET_VIEWPORT_MAT() 0 /* vmesa->hw_viewport */
+#define GET_TEXSOURCE(n)  n
+#define GET_VERTEX_FORMAT() 0
+#define GET_VERTEX_SIZE() S3V_CONTEXT(ctx)->vertex_size * sizeof(GLuint)
+#define GET_VERTEX_STORE() S3V_CONTEXT(ctx)->verts
+#define GET_VERTEX_STRIDE_SHIFT() S3V_CONTEXT(ctx)->vertex_stride_shift
+#define INVALIDATE_STORED_VERTICES()
+#define GET_UBYTE_COLOR_STORE() &S3V_CONTEXT(ctx)->UbyteColor
+#define GET_UBYTE_SPEC_COLOR_STORE() &S3V_CONTEXT(ctx)->UbyteSecondaryColor
+
+#define HAVE_HW_VIEWPORT    1	/* FIXME */
+#define HAVE_HW_DIVIDE      1
+#define HAVE_RGBA_COLOR     0 	/* we're BGRA */
+#define HAVE_TINY_VERTICES  1
+#define HAVE_NOTEX_VERTICES 0
+#define HAVE_TEX0_VERTICES  0
+#define HAVE_TEX1_VERTICES  0
+#define HAVE_TEX2_VERTICES  0
+#define HAVE_TEX3_VERTICES  0
+#define HAVE_PTEX_VERTICES  1
+
+/*
+#define SUBPIXEL_X -.5
+#define SUBPIXEL_Y -.5
+#define UNVIEWPORT_VARS  GLfloat h = S3V_CONTEXT(ctx)->driDrawable->h
+#define UNVIEWPORT_X(x)  x - SUBPIXEL_X
+#define UNVIEWPORT_Y(y)  - y + h + SUBPIXEL_Y
+#define UNVIEWPORT_Z(z)  z / vmesa->depth_scale
+*/
+
+#define PTEX_FALLBACK()		/* never needed */
+
+#define IMPORT_QUALIFIER
+#define IMPORT_FLOAT_COLORS s3v_import_float_colors
+#define IMPORT_FLOAT_SPEC_COLORS s3v_import_float_spec_colors
+
+#define INTERP_VERTEX setup_tab[S3V_CONTEXT(ctx)->SetupIndex].interp
+#define COPY_PV_VERTEX setup_tab[S3V_CONTEXT(ctx)->SetupIndex].copy_pv
+
+
+
+/***********************************************************************
+ *         Generate  pv-copying and translation functions              *
+ ***********************************************************************/
+
+#define TAG(x) s3v_##x
+#include "tnl_dd/t_dd_vb.c"
+
+/***********************************************************************
+ *             Generate vertex emit and interp functions               *
+ ***********************************************************************/
+
+
+#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT)
+#define TAG(x) x##_wg
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_TEX0_BIT)
+#define TAG(x) x##_wgt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_TEX0_BIT|S3V_PTEX_BIT)
+#define TAG(x) x##_wgpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_TEX0_BIT)
+#define TAG(x) x##_t0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_RGBA_BIT)
+#define TAG(x) x##_g
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_RGBA_BIT|S3V_TEX0_BIT)
+#define TAG(x) x##_gt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT)
+#define TAG(x) x##_wgf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT|S3V_TEX0_BIT)
+#define TAG(x) x##_wgft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT|S3V_TEX0_BIT|S3V_PTEX_BIT)
+#define TAG(x) x##_wgfpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_FOG_BIT)
+#define TAG(x) x##_f
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_RGBA_BIT | S3V_FOG_BIT)
+#define TAG(x) x##_gf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (S3V_RGBA_BIT | S3V_FOG_BIT | S3V_TEX0_BIT)
+#define TAG(x) x##_gft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+static void init_setup_tab( void )
+{
+   init_wg();		/* pos + col */
+   init_wgt0();		/* pos + col + tex0 */
+   init_wgpt0();	/* pos + col + p-tex0 (?) */
+   init_t0();		/* tex0 */
+   init_g();		/* col */
+   init_gt0();		/* col + tex */
+   init_wgf();
+   init_wgft0();
+   init_wgfpt0();
+   init_f();
+   init_gf();
+   init_gft0();
+}
+
+
+#if 0
+void s3vPrintSetupFlags(char *msg, GLuint flags )
+{
+   fprintf(stderr, "%s(%x): %s%s%s%s%s%s\n",
+	   msg,
+	   (int)flags,
+	   (flags & S3V_XYZW_BIT)      ? " xyzw," : "", 
+	   (flags & S3V_RGBA_BIT)     ? " rgba," : "",
+	   (flags & S3V_SPEC_BIT)     ? " spec," : "",
+	   (flags & S3V_FOG_BIT)      ? " fog," : "",
+	   (flags & S3V_TEX0_BIT)     ? " tex-0," : "",
+	   (flags & S3V_TEX1_BIT)     ? " tex-1," : "");
+}
+#endif
+
+
+void s3vCheckTexSizes( GLcontext *ctx )
+{
+   TNLcontext *tnl = TNL_CONTEXT(ctx);
+   s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+
+   if (!setup_tab[vmesa->SetupIndex].check_tex_sizes(ctx)) {
+
+      vmesa->SetupIndex |= (S3V_PTEX_BIT|S3V_RGBA_BIT);
+
+      if (1 || !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
+         tnl->Driver.Render.Interp = setup_tab[vmesa->SetupIndex].interp;
+         tnl->Driver.Render.CopyPV = setup_tab[vmesa->SetupIndex].copy_pv;
+      }
+   }
+}
+
+void s3vBuildVertices( GLcontext *ctx, 
+			 GLuint start, 
+			 GLuint count,
+			 GLuint newinputs )
+{
+	s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+	GLubyte *v = ((GLubyte *)vmesa->verts +
+		(start<<vmesa->vertex_stride_shift));
+	GLuint stride = 1<<vmesa->vertex_stride_shift;
+
+	DEBUG(("*** s3vBuildVertices ***\n"));
+	DEBUG(("vmesa->SetupNewInputs = 0x%x\n", vmesa->SetupNewInputs));
+	DEBUG(("vmesa->SetupIndex = 0x%x\n", vmesa->SetupIndex));
+
+#if 1
+	setup_tab[vmesa->SetupIndex].emit( ctx, start, count, v, stride );
+#else
+	newinputs |= vmesa->SetupNewInputs;
+	vmesa->SetupNewInputs = 0;
+
+	DEBUG(("newinputs is 0x%x\n", newinputs));
+
+	if (!newinputs) {
+		DEBUG(("!newinputs\n"));
+		return;
+	}
+
+	if (newinputs & VERT_CLIP) {
+	setup_tab[vmesa->SetupIndex].emit( ctx, start, count, v, stride );
+	DEBUG(("newinputs & VERT_CLIP\n"));
+	return;
+	} /* else { */
+/*      GLuint ind = 0; */
+
+	if (newinputs & VERT_RGBA) {
+		DEBUG(("newinputs & VERT_RGBA\n"));
+		ind |= S3V_RGBA_BIT;
+	}
+ 
+	if (newinputs & VERT_TEX0) {
+		DEBUG(("newinputs & VERT_TEX0\n"));
+		ind |= S3V_TEX0_BIT;
+	}
+
+    if (newinputs & VERT_FOG_COORD)
+        ind |= S3V_FOG_BIT;
+
+	if (vmesa->SetupIndex & S3V_PTEX_BIT)
+		ind = ~0;
+
+    ind &= vmesa->SetupIndex;
+
+	DEBUG(("vmesa->SetupIndex = 0x%x\n", vmesa->SetupIndex));
+	DEBUG(("ind = 0x%x\n", ind));
+	DEBUG(("ind & vmesa->SetupIndex = 0x%x\n", (ind & vmesa->SetupIndex)));
+
+	if (ind) {
+		setup_tab[ind].emit( ctx, start, count, v, stride );   
+	}
+#endif
+}
+
+void s3vChooseVertexState( GLcontext *ctx )
+{
+   s3vContextPtr vmesa = S3V_CONTEXT( ctx );
+   TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+   GLuint ind = S3V_XYZW_BIT | S3V_RGBA_BIT;
+
+   /* FIXME: will segv in tnl_dd/t_dd_vbtmp.h (line 196) on some demos */
+/*
+   if (ctx->Fog.Enabled)
+      ind |= S3V_FOG_BIT;
+*/
+
+
+   if (ctx->Texture.Unit[0]._ReallyEnabled) {
+      _tnl_need_projected_coords( ctx, GL_FALSE );
+      ind |= S3V_TEX0_BIT;
+   } else {
+      _tnl_need_projected_coords( ctx, GL_TRUE );
+   }
+
+   vmesa->SetupIndex = ind;
+
+   if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
+      tnl->Driver.Render.Interp = s3v_interp_extras;
+      tnl->Driver.Render.CopyPV = s3v_copy_pv_extras;
+   } else {
+      tnl->Driver.Render.Interp = setup_tab[ind].interp;
+      tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
+   }
+}
+
+
+void s3vInitVB( GLcontext *ctx )
+{
+   s3vContextPtr vmesa = S3V_CONTEXT(ctx);
+   GLuint size = TNL_CONTEXT(ctx)->vb.Size;
+
+   vmesa->verts = (char *)ALIGN_MALLOC(size * 4 * 16, 32);
+
+   {
+      static int firsttime = 1;
+      if (firsttime) {
+	 init_setup_tab();
+	 firsttime = 0;
+	 vmesa->vertex_stride_shift = 6 /* 4 */; /* FIXME - only one vertex setup */
+      }
+   }
+}
+
+
+void s3vFreeVB( GLcontext *ctx )
+{
+   s3vContextPtr vmesa = S3V_CONTEXT(ctx);
+   if (vmesa->verts) {
+      ALIGN_FREE(vmesa->verts);
+      vmesa->verts = 0;
+   }
+
+   if (vmesa->UbyteSecondaryColor.Ptr) {
+      ALIGN_FREE((void *)vmesa->UbyteSecondaryColor.Ptr);
+      vmesa->UbyteSecondaryColor.Ptr = 0;
+   }
+
+   if (vmesa->UbyteColor.Ptr) {
+      ALIGN_FREE((void *)vmesa->UbyteColor.Ptr);
+      vmesa->UbyteColor.Ptr = 0;
+   }
+}