1 files changed, 244 insertions, 148 deletions

diff --git a/src/mesa/drivers/glide/fxvbtmp.h b/src/mesa/drivers/glide/fxvbtmp.h
index 24d5b521a0..570e7adf16 100644
--- a/src/mesa/drivers/glide/fxvbtmp.h
+++ b/src/mesa/drivers/glide/fxvbtmp.h
@@ -1,181 +1,277 @@
 
-/*
- * Mesa 3-D graphics library
- * Version:  3.3
- *
- * Copyright (C) 1999-2000  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.
- *
- * Author:
- *   Keith Whitwell <keith@precisioninsight.com>
- */
-
-
-static void
-NAME(GLcontext * ctx, GLuint start, GLuint end)
+static void TAG(emit)( GLcontext *ctx,
+		       GLuint start, GLuint end,
+		       void *dest )
 {
-   fxMesaContext fxMesa = (fxMesaContext) ctx->DriverCtx;
-   fxVertex *verts = fxMesa->verts;
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
    GLuint tmu0_source = fxMesa->tmu_source[0];
    GLuint tmu1_source = fxMesa->tmu_source[1];
-   GLfloat (*tmu0_data)[4];
-   GLfloat (*tmu1_data)[4];
-   GLfloat (*color)[4];
-   GLfloat (*proj)[4] = VB->ProjectedClipPtr->data;
-   fxVertex *v = &verts[start];
-   GLfloat sscale0 = fxMesa->s0scale;
-   GLfloat tscale0 = fxMesa->t0scale;
-   GLfloat sscale1 = fxMesa->s1scale;
-   GLfloat tscale1 = fxMesa->t1scale;
-   GLubyte *clipmask = VB->ClipMask;
-   GLuint i;
+   GLfloat (*tc0)[4], (*tc1)[4];
+   GLubyte (*col)[4];
+   GLuint tc0_stride, tc1_stride, col_stride;
+   GLuint tc0_size, tc1_size;
+   GLfloat (*proj)[4] = VB->ProjectedClipPtr->data; 
+   GLuint proj_stride = VB->ProjectedClipPtr->stride;
+   GrVertex *v = (GrVertex *)dest;
+   GLfloat u0scale,v0scale,u1scale,v1scale;
    const GLfloat *const s = ctx->Viewport._WindowMap.m;
+   int i;
 
-   if (IND & SETUP_TMU0)
-      tmu0_data = VB->TexCoordPtr[tmu0_source]->data;
 
-   if (IND & SETUP_TMU1)
-      tmu1_data = VB->TexCoordPtr[tmu1_source]->data;
+   if (IND & SETUP_TMU0) {
+      tc0_stride = VB->TexCoordPtr[tmu0_source]->stride;
+      tc0 = VB->TexCoordPtr[tmu0_source]->data;
+      u0scale = fxMesa->s0scale;
+      v0scale = fxMesa->t0scale;
+      if (IND & SETUP_PTEX)
+	 tc0_size = VB->TexCoordPtr[tmu0_source]->size;
+   }
+
+   if (IND & SETUP_TMU1) {
+      tc1 = VB->TexCoordPtr[tmu1_source]->data;
+      tc1_stride = VB->TexCoordPtr[tmu1_source]->stride;
+      u1scale = fxMesa->s1scale; /* wrong if tmu1_source == 0, possible? */
+      v1scale = fxMesa->t1scale;
+      if (IND & SETUP_PTEX)
+	 tc1_size = VB->TexCoordPtr[tmu1_source]->size;
+   }
+   
+   if (IND & SETUP_RGBA) {
+      if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE)
+	 import_float_colors( ctx );
+      col = VB->ColorPtr[0]->Ptr;
+      col_stride = VB->ColorPtr[0]->StrideB;
+   }
 
-   if (IND & SETUP_RGBA) 
-      color = VB->ColorPtr[0]->Ptr;
+   if (start) {
+      proj =  (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride);
+      if (IND & SETUP_TMU0)
+	 tc0 =  (GLfloat (*)[4])((GLubyte *)tc0 + start * tc0_stride);
+      if (IND & SETUP_TMU1) 
+	 tc1 =  (GLfloat (*)[4])((GLubyte *)tc1 + start * tc1_stride);
+      if (IND & SETUP_RGBA) 
+	 STRIDE_4UB(col, start * col_stride);
+   }
 
-   if (VB->ClipOrMask) {
-      for (i = start; i < end; i++, v++) {
-	 if (!clipmask[i]) {
-	    if (IND & SETUP_XYZW) {
-	       v->v.x = s[0] * proj[i][0] + s[12];
-	       v->v.y = s[5] * proj[i][1] + s[13];
-	       v->v.ooz = s[10] * proj[i][2] + s[14];
-	       v->v.oow = proj[i][3];
+   for (i=start; i < end; i++, v++) {
+      if (IND & SETUP_XYZW) {
+	 /* unclipped */
+	 v->x   = s[0]  * proj[0][0] + s[12];	
+	 v->y   = s[5]  * proj[0][1] + s[13];	
+	 v->ooz = s[10] * proj[0][2] + s[14];	
+	 v->oow = proj[0][3];	
 
-	       if (IND & SETUP_SNAP) {
+	 if (IND & SETUP_SNAP) {
 #if defined(USE_IEEE)
-		  const float snapper = (3L << 18);
-		  v->v.x += snapper;
-		  v->v.x -= snapper;
-		  v->v.y += snapper;
-		  v->v.y -= snapper;
+	    const float snapper = (3L << 18);
+	    v->x += snapper;
+	    v->x -= snapper;
+	    v->y += snapper;
+	    v->y -= snapper;
 #else
-		  v->v.x = ((int) (v->v.x * 16.0f)) * (1.0f / 16.0f);
-		  v->v.y = ((int) (v->v.y * 16.0f)) * (1.0f / 16.0f);
+	    v->x = ((int) (v->x * 16.0f)) * (1.0f / 16.0f);
+	    v->y = ((int) (v->y * 16.0f)) * (1.0f / 16.0f);
 #endif
-	       }
-	    }
-	    if (IND & SETUP_RGBA) {
-               UNCLAMPED_FLOAT_TO_UBYTE(v->v.r, color[i][0]);
-               UNCLAMPED_FLOAT_TO_UBYTE(v->v.g, color[i][1]);
-               UNCLAMPED_FLOAT_TO_UBYTE(v->v.b, color[i][2]);
-               UNCLAMPED_FLOAT_TO_UBYTE(v->v.a, color[i][3]);
-	    }
-	    if (IND & SETUP_TMU0) {
-	       v->v.tmuvtx[0].sow = sscale0 * tmu0_data[i][0] * v->v.oow;
-	       v->v.tmuvtx[0].tow = tscale0 * tmu0_data[i][1] * v->v.oow;
-	    }
-	    if (IND & SETUP_TMU1) {
-	       v->v.tmuvtx[1].sow = sscale1 * tmu1_data[i][0] * v->v.oow;
-	       v->v.tmuvtx[1].tow = tscale1 * tmu1_data[i][1] * v->v.oow;
-	    }
 	 }
+
+	 proj =  (GLfloat (*)[4])((GLubyte *)proj +  proj_stride);
       }
+      if (IND & SETUP_RGBA) {
+	 v->r = (GLfloat) col[0][0];
+	 v->g = (GLfloat) col[0][1];
+	 v->b = (GLfloat) col[0][2];
+	 v->a = (GLfloat) col[0][3];
+	 STRIDE_4UB(col, col_stride);
+      }
+      if (IND & SETUP_TMU0) {
+	 GLfloat w = v->oow;
+	 if (IND & SETUP_PTEX) {
+	    v->tmuvtx[0].sow = tc0[0][0] * u0scale * w;
+	    v->tmuvtx[0].tow = tc0[0][1] * v0scale * w;
+	    v->tmuvtx[0].oow = w;
+	    if (tc0_size == 4) 
+	       v->tmuvtx[0].oow = tc0[0][3] * w;
+	 } 
+	 else {
+	    v->tmuvtx[0].sow = tc0[0][0] * u0scale * w;
+	    v->tmuvtx[0].tow = tc0[0][1] * v0scale * w;
+	 } 
+	 tc0 =  (GLfloat (*)[4])((GLubyte *)tc0 +  tc0_stride);
+      }
+      if (IND & SETUP_TMU1) {
+	 GLfloat w = v->oow;
+	 if (IND & SETUP_PTEX) {
+	    v->tmuvtx[1].sow = tc1[0][0] * u1scale * w;
+	    v->tmuvtx[1].tow = tc1[0][1] * v1scale * w;
+	    v->tmuvtx[1].oow = w;
+	    if (tc1_size == 4) 
+	       v->tmuvtx[1].oow = tc1[0][3] * w;
+	 } 
+	 else {
+	    v->tmuvtx[1].sow = tc1[0][0] * u1scale * w;
+	    v->tmuvtx[1].tow = tc1[0][1] * v1scale * w;
+	 }
+	 tc1 =  (GLfloat (*)[4])((GLubyte *)tc1 +  tc1_stride);
+      } 
    }
-   else {
-      for (i = start; i < end; i++, v++) {
-	 if (IND & SETUP_XYZW) {
-	    v->v.x = s[0] * proj[i][0] + s[12];
-	    v->v.y = s[5] * proj[i][1] + s[13];
-	    v->v.ooz = s[10] * proj[i][2] + s[14];
-	    v->v.oow = proj[i][3];
-
-	    if (IND & SETUP_SNAP) {
+}
+
+#if (IND & SETUP_XYZW) && (IND & SETUP_RGBA)
+
+static GLboolean TAG(check_tex_sizes)( GLcontext *ctx )
+{
+/*     fprintf(stderr, "%s\n", __FUNCTION__); */
+
+   if (IND & SETUP_PTEX)
+      return GL_TRUE;
+   
+   if (IND & SETUP_TMU0) {
+      struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+
+      if (IND & SETUP_TMU1) {
+	 if (VB->TexCoordPtr[0] == 0)
+	    VB->TexCoordPtr[0] = VB->TexCoordPtr[1];
+	 
+	 if (VB->TexCoordPtr[1]->size == 4)
+	    return GL_FALSE;
+      }
+
+      if (VB->TexCoordPtr[0]->size == 4)
+	 return GL_FALSE;
+   }
+
+   return GL_TRUE;
+}
+
+static void TAG(interp)( GLcontext *ctx,
+			 GLfloat t, 
+			 GLuint edst, GLuint eout, GLuint ein,
+			 GLboolean force_boundary )
+{
+   fxMesaContext fxMesa = FX_CONTEXT( ctx );
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+   const GLfloat *dstclip = VB->ClipPtr->data[edst];
+   const GLfloat oow = (dstclip[3] == 0.0F) ? 1.0F : (1.0F / dstclip[3]);
+   const GLfloat *const s = ctx->Viewport._WindowMap.m;
+   GrVertex *fxverts = fxMesa->verts;
+   GrVertex *dst = (GrVertex *) (fxverts + edst);
+   const GrVertex *out = (const GrVertex *) (fxverts + eout);
+   const GrVertex *in = (const GrVertex *) (fxverts + ein);
+   const GLfloat wout = 1.0F / out->oow;
+   const GLfloat win = 1.0F / in->oow;
+
+   dst->x   = s[0]  * dstclip[0] * oow + s[12];	
+   dst->y   = s[5]  * dstclip[1] * oow + s[13];	
+   dst->z   = s[10] * dstclip[2] * oow + s[14];	
+   dst->oow = oow;	
+   
+   if (IND & SETUP_SNAP) {
 #if defined(USE_IEEE)
-	       const float snapper = (3L << 18);
-	       v->v.x += snapper;
-	       v->v.x -= snapper;
-	       v->v.y += snapper;
-	       v->v.y -= snapper;
+      const float snapper = (3L << 18);
+      dst->x += snapper;
+      dst->x -= snapper;
+      dst->y += snapper;
+      dst->y -= snapper;
 #else
-	       v->v.x = ((int) (v->v.x * 16.0f)) * (1.0f / 16.0f);
-	       v->v.y = ((int) (v->v.y * 16.0f)) * (1.0f / 16.0f);
+      dst->x = ((int) (dst->x * 16.0f)) * (1.0f / 16.0f);
+      dst->y = ((int) (dst->y * 16.0f)) * (1.0f / 16.0f);
 #endif
-	    }
-	 }
-	 if (IND & SETUP_RGBA) {
-            UNCLAMPED_FLOAT_TO_UBYTE(v->v.r, color[i][0]);
-            UNCLAMPED_FLOAT_TO_UBYTE(v->v.g, color[i][1]);
-            UNCLAMPED_FLOAT_TO_UBYTE(v->v.b, color[i][2]);
-            UNCLAMPED_FLOAT_TO_UBYTE(v->v.a, color[i][3]);
-	 }
-	 if (IND & SETUP_TMU0) {
-	    v->v.tmuvtx[0].sow = sscale0 * tmu0_data[i][0] * v->v.oow;
-	    v->v.tmuvtx[0].tow = tscale0 * tmu0_data[i][1] * v->v.oow;
-	 }
-	 if (IND & SETUP_TMU1) {
-	    v->v.tmuvtx[1].sow = sscale1 * tmu1_data[i][0] * v->v.oow;
-	    v->v.tmuvtx[1].tow = tscale1 * tmu1_data[i][1] * v->v.oow;
-	 }
-      }
    }
 
-   if ((IND & SETUP_XYZW) &&
-       ctx->ProjectionMatrix.m[15] != 0.0F && ctx->Fog.Enabled) {
-      fx_fake_fog_w(ctx, v, VB, start, end);
-   }
+   
+   INTERP_F( t, dst->r, out->r, in->r );
+   INTERP_F( t, dst->g, out->g, in->g );
+   INTERP_F( t, dst->b, out->b, in->b );
+   INTERP_F( t, dst->a, out->a, in->a );
 
-   /* Check for and enable projective texturing in each texture unit.
-    */
-   if (IND & (SETUP_TMU0 | SETUP_TMU1)) {
-      GLuint tmu0_sz = 2;
-      GLuint tmu1_sz = 2;
-      GLuint hs = fxMesa->stw_hint_state & ~(GR_STWHINT_W_DIFF_TMU0 |
-					     GR_STWHINT_W_DIFF_TMU1);
-
-      if (VB->TexCoordPtr[tmu0_source])
-	 tmu0_sz = VB->TexCoordPtr[tmu0_source]->size;
-
-      if (VB->TexCoordPtr[tmu1_source])
-	 tmu1_sz = VB->TexCoordPtr[tmu1_source]->size;
-
-      if (tmu0_sz == 4) {
-	 project_texcoords(v, VB, 0, tmu0_source, start, end);
-	 if (tmu1_sz == 4)
-	    project_texcoords(v, VB, 1, tmu1_source, start, end);
-	 else
-	    copy_w(v, VB, 1, start, end);
-	 hs |= (GR_STWHINT_W_DIFF_TMU0 | GR_STWHINT_W_DIFF_TMU1);
-      }
-      else if (tmu1_sz == 4) {
-	 project_texcoords(v, VB, 1, tmu1_source, start, end);
-	 hs |= GR_STWHINT_W_DIFF_TMU1;
+   if (IND & SETUP_TMU0) {
+      if (IND & SETUP_PTEX) {
+	 INTERP_F( t, 
+		   dst->tmuvtx[0].sow, 
+		   out->tmuvtx[0].sow * wout, 
+		   in->tmuvtx[0].sow * win );
+	 INTERP_F( t,
+		   dst->tmuvtx[0].tow,
+		   out->tmuvtx[0].tow * wout, 
+		   in->tmuvtx[0].tow * win );
+	 INTERP_F( t, 
+		   dst->tmuvtx[0].oow, 
+		   out->tmuvtx[0].oow * wout, 
+		   in->tmuvtx[0].oow * win );
+
+	 dst->tmuvtx[0].sow *= oow;
+	 dst->tmuvtx[0].tow *= oow;
+	 dst->tmuvtx[0].oow *= oow;
+      } else {
+	 INTERP_F( t, 
+		   dst->tmuvtx[0].sow, 
+		   out->tmuvtx[0].sow * wout, 
+		   in->tmuvtx[0].sow * win );
+	 INTERP_F( t,
+		   dst->tmuvtx[0].tow,
+		   out->tmuvtx[0].tow * wout, 
+		   in->tmuvtx[0].tow * win );
+
+	 dst->tmuvtx[0].sow *= oow;
+	 dst->tmuvtx[0].tow *= oow;
       }
+   }
+
+   if (IND & SETUP_TMU1) {
+      if (IND & SETUP_PTEX) {
+	 INTERP_F( t, 
+		   dst->tmuvtx[1].sow, 
+		   out->tmuvtx[1].sow * wout, 
+		   in->tmuvtx[1].sow * win );
+	 INTERP_F( t,
+		   dst->tmuvtx[1].tow,
+		   out->tmuvtx[1].tow * wout, 
+		   in->tmuvtx[1].tow * win );
+	 INTERP_F( t, 
+		   dst->tmuvtx[1].oow, 
+		   out->tmuvtx[1].oow * wout, 
+		   in->tmuvtx[1].oow * win );
+
+	 dst->tmuvtx[1].sow *= oow;
+	 dst->tmuvtx[1].tow *= oow;
+	 dst->tmuvtx[1].oow *= oow;
+      } else {
+	 INTERP_F( t, 
+		   dst->tmuvtx[1].sow, 
+		   out->tmuvtx[1].sow * wout, 
+		   in->tmuvtx[1].sow * win );
+	 INTERP_F( t,
+		   dst->tmuvtx[1].tow,
+		   out->tmuvtx[1].tow * wout, 
+		   in->tmuvtx[1].tow * win );
 
-      if (hs != fxMesa->stw_hint_state) {
-	 fxMesa->stw_hint_state = hs;
-	 FX_grHints(GR_HINT_STWHINT, hs);
+	 dst->tmuvtx[1].sow *= oow;
+	 dst->tmuvtx[1].tow *= oow;
       }
    }
 }
+#endif
+
 
+static void TAG(init)( void )
+{
+   setup_tab[IND].emit = TAG(emit);
+   
+#if ((IND & SETUP_XYZW) && (IND & SETUP_RGBA))
+   setup_tab[IND].check_tex_sizes = TAG(check_tex_sizes);
+   setup_tab[IND].interp = TAG(interp);
 
+   if (IND & SETUP_PTEX) {
+      setup_tab[IND].vertex_format = (GR_STWHINT_W_DIFF_TMU0 |
+				      GR_STWHINT_W_DIFF_TMU1);
+   }
+   else {
+      setup_tab[IND].vertex_format = 0;
+   }
+#endif
+}
 
 
 #undef IND
-#undef NAME
-#undef INPUTS
+#undef TAG