swrast: Remove support for rendering lines into a color-index buffer
[mesa.git] / src / mesa / swrast / s_lines.c
index cff36042cbbf18b8225a805a3aa09a8dba76fb23..7db5af4ae1c0ebefb2da0987f6726007b4d5aadb 100644 (file)
@@ -87,10 +87,7 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor )
             for (i = 0; i < span->end; i++)
                y[i]++;
          }
-         if (ctx->Visual.rgbMode)
-            _swrast_write_rgba_span(ctx, span);
-         else
-            _swrast_write_index_span(ctx, span);
+        _swrast_write_rgba_span(ctx, span);
       }
    }
    else {
@@ -106,10 +103,7 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor )
             for (i = 0; i < span->end; i++)
                x[i]++;
          }
-         if (ctx->Visual.rgbMode)
-            _swrast_write_rgba_span(ctx, span);
-         else
-            _swrast_write_index_span(ctx, span);
+        _swrast_write_rgba_span(ctx, span);
       }
    }
 }
@@ -120,12 +114,6 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor )
 /*****                    Rasterization                           *****/
 /**********************************************************************/
 
-/* Simple color index line (no stipple, width=1, no Z, no fog, no tex)*/
-#define NAME simple_no_z_ci_line
-#define INTERP_INDEX
-#define RENDER_SPAN(span) _swrast_write_index_span(ctx, &span)
-#include "s_linetemp.h"
-
 /* Simple RGBA index line (no stipple, width=1, no Z, no fog, no tex)*/
 #define NAME simple_no_z_rgba_line
 #define INTERP_RGBA
@@ -133,25 +121,6 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor )
 #include "s_linetemp.h"
 
 
-/* Z, fog, wide, stipple color index line */
-#define NAME ci_line
-#define INTERP_INDEX
-#define INTERP_Z
-#define INTERP_ATTRIBS /* for fog */
-#define RENDER_SPAN(span)                                      \
-   if (ctx->Line.StippleFlag) {                                        \
-      span.arrayMask |= SPAN_MASK;                             \
-      compute_stipple_mask(ctx, span.end, span.array->mask);    \
-   }                                                           \
-   if (ctx->Line.Width > 1.0) {                                        \
-      draw_wide_line(ctx, &span, (GLboolean)(dx > dy));                \
-   }                                                           \
-   else {                                                      \
-      _swrast_write_index_span(ctx, &span);                    \
-   }
-#include "s_linetemp.h"
-
-
 /* Z, fog, wide, stipple RGBA line */
 #define NAME rgba_line
 #define INTERP_RGBA
@@ -256,7 +225,6 @@ void
 _swrast_choose_line( GLcontext *ctx )
 {
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   const GLboolean rgbmode = ctx->Visual.rgbMode;
    GLboolean specular = (ctx->Fog.ColorSumEnabled ||
                          (ctx->Light.Enabled &&
                           ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR));
@@ -277,23 +245,17 @@ _swrast_choose_line( GLcontext *ctx )
                || ctx->Line.Width != 1.0
                || ctx->Line.StippleFlag) {
          /* no texture, but Z, fog, width>1, stipple, etc. */
-         if (rgbmode)
 #if CHAN_BITS == 32
-            USE(general_line);
+         USE(general_line);
 #else
-            USE(rgba_line);
+         USE(rgba_line);
 #endif
-         else
-            USE(ci_line);
       }
       else {
          ASSERT(!ctx->Depth.Test);
          ASSERT(ctx->Line.Width == 1.0);
          /* simple lines */
-         if (rgbmode)
-            USE(simple_no_z_rgba_line);
-         else
-            USE(simple_no_z_ci_line);
+         USE(simple_no_z_rgba_line);
       }
    }
    else if (ctx->RenderMode == GL_FEEDBACK) {