svga: Drop BGNFOR, ENDFOR, REP, and ENDREP opcodes.

[mesa.git] / src / mesa / tnl / t_rasterpos.c

diff --git a/src/mesa/tnl/t_rasterpos.c b/src/mesa/tnl/t_rasterpos.c
index f1fdddf0f5a4ff4103fff14b55735614a89dcb15..3596d162b2350bd1961bc9323163a69e48357947 100644 (file)
--- a/src/mesa/tnl/t_rasterpos.c
+++ b/src/mesa/tnl/t_rasterpos.c
@@ -29,7 +29,6 @@
 #include "main/feedback.h"
 #include "main/light.h"
 #include "main/macros.h"
-#include "main/rastpos.h"
 #include "main/simple_list.h"
 #include "main/mtypes.h"
 
@@ -46,11 +45,10 @@
  * \return zero if outside view volume, or one if inside.
  */
 static GLuint
-viewclip_point( const GLfloat v[] )
+viewclip_point_xy( const GLfloat v[] )
 {
    if (   v[0] > v[3] || v[0] < -v[3]
-       || v[1] > v[3] || v[1] < -v[3]
-       || v[2] > v[3] || v[2] < -v[3] ) {
+       || v[1] > v[3] || v[1] < -v[3] ) {
       return 0;
    }
    else {
@@ -121,8 +119,7 @@ shade_rastpos(GLcontext *ctx,
               const GLfloat vertex[4],
               const GLfloat normal[3],
               GLfloat Rcolor[4],
-              GLfloat Rspec[4],
-              GLfloat *Rindex)
+              GLfloat Rspec[4])
 {
    /*const*/ GLfloat (*base)[3] = ctx->Light._BaseColor;
    const struct gl_light *light;
@@ -246,28 +243,14 @@ shade_rastpos(GLcontext *ctx,
       ACC_SCALE_SCALAR_3V( specularColor, attenuation, specularContrib );
    }
 
-   if (ctx->Visual.rgbMode) {
-      Rcolor[0] = CLAMP(diffuseColor[0], 0.0F, 1.0F);
-      Rcolor[1] = CLAMP(diffuseColor[1], 0.0F, 1.0F);
-      Rcolor[2] = CLAMP(diffuseColor[2], 0.0F, 1.0F);
-      Rcolor[3] = CLAMP(diffuseColor[3], 0.0F, 1.0F);
-      Rspec[0] = CLAMP(specularColor[0], 0.0F, 1.0F);
-      Rspec[1] = CLAMP(specularColor[1], 0.0F, 1.0F);
-      Rspec[2] = CLAMP(specularColor[2], 0.0F, 1.0F);
-      Rspec[3] = CLAMP(specularColor[3], 0.0F, 1.0F);
-   }
-   else {
-      GLfloat *ind = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_INDEXES];
-      GLfloat d_a = ind[MAT_INDEX_DIFFUSE] - ind[MAT_INDEX_AMBIENT];
-      GLfloat s_a = ind[MAT_INDEX_SPECULAR] - ind[MAT_INDEX_AMBIENT];
-      GLfloat i = (ind[MAT_INDEX_AMBIENT]
-                  + diffuseCI * (1.0F-specularCI) * d_a
-                  + specularCI * s_a);
-      if (i > ind[MAT_INDEX_SPECULAR]) {
-        i = ind[MAT_INDEX_SPECULAR];
-      }
-      *Rindex = i;
-   }
+   Rcolor[0] = CLAMP(diffuseColor[0], 0.0F, 1.0F);
+   Rcolor[1] = CLAMP(diffuseColor[1], 0.0F, 1.0F);
+   Rcolor[2] = CLAMP(diffuseColor[2], 0.0F, 1.0F);
+   Rcolor[3] = CLAMP(diffuseColor[3], 0.0F, 1.0F);
+   Rspec[0] = CLAMP(specularColor[0], 0.0F, 1.0F);
+   Rspec[1] = CLAMP(specularColor[1], 0.0F, 1.0F);
+   Rspec[2] = CLAMP(specularColor[2], 0.0F, 1.0F);
+   Rspec[3] = CLAMP(specularColor[3], 0.0F, 1.0F);
 }
 
 
@@ -408,18 +391,18 @@ _tnl_RasterPos(GLcontext *ctx, const GLfloat vObj[4])
       /* apply projection matrix:  clip = Proj * eye */
       TRANSFORM_POINT( clip, ctx->ProjectionMatrixStack.Top->m, eye );
 
-      /* clip to view volume */
-      if (ctx->Transform.RasterPositionUnclipped) {
-         /* GL_IBM_rasterpos_clip: only clip against Z */
+      /* clip to view volume. */
+      if (!ctx->Transform.DepthClamp) {
          if (viewclip_point_z(clip) == 0) {
             ctx->Current.RasterPosValid = GL_FALSE;
             return;
          }
       }
-      else if (viewclip_point(clip) == 0) {
-         /* Normal OpenGL behaviour */
-         ctx->Current.RasterPosValid = GL_FALSE;
-         return;
+      if (!ctx->Transform.RasterPositionUnclipped) {
+         if (viewclip_point_xy(clip) == 0) {
+            ctx->Current.RasterPosValid = GL_FALSE;
+            return;
+         }
       }
 
       /* clip to user clipping planes */
@@ -443,6 +426,12 @@ _tnl_RasterPos(GLcontext *ctx, const GLfloat vObj[4])
                                   / ctx->DrawBuffer->_DepthMaxF;
       ctx->Current.RasterPos[3] = clip[3];
 
+      if (ctx->Transform.DepthClamp) {
+        ctx->Current.RasterPos[3] = CLAMP(ctx->Current.RasterPos[3],
+                                          ctx->Viewport.Near,
+                                          ctx->Viewport.Far);
+      }
+
       /* compute raster distance */
       if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
          ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
@@ -465,21 +454,14 @@ _tnl_RasterPos(GLcontext *ctx, const GLfloat vObj[4])
          /* lighting */
          shade_rastpos( ctx, vObj, norm,
                         ctx->Current.RasterColor,
-                        ctx->Current.RasterSecondaryColor,
-                        &ctx->Current.RasterIndex );
+                        ctx->Current.RasterSecondaryColor );
       }
       else {
-         /* use current color or index */
-         if (ctx->Visual.rgbMode) {
-            COPY_4FV(ctx->Current.RasterColor,
-                     ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
-            COPY_4FV(ctx->Current.RasterSecondaryColor,
-                     ctx->Current.Attrib[VERT_ATTRIB_COLOR1]);
-         }
-         else {
-            ctx->Current.RasterIndex
-               = ctx->Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0];
-         }
+         /* use current color */
+        COPY_4FV(ctx->Current.RasterColor,
+                 ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
+        COPY_4FV(ctx->Current.RasterSecondaryColor,
+                 ctx->Current.Attrib[VERT_ATTRIB_COLOR1]);
       }
 
       /* texture coords */