From 9e8a961dd7d7b717a9fb4ecdea1c1b60ea355efe Mon Sep 17 00:00:00 2001
From: Brian <brian@yutani.localnet.net>
Date: Sun, 20 May 2007 12:27:39 -0600
Subject: Overhaul/simplify SWvertex and SWspan attribute handling.

Instead of separate fog/specular/texcoord/varying code, just treat all of
them as generic attributes.  Simplifies the point/line/triangle functions.
---
 src/mesa/swrast/s_zoom.c | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

(limited to 'src/mesa/swrast/s_zoom.c')

diff --git a/src/mesa/swrast/s_zoom.c b/src/mesa/swrast/s_zoom.c
index 0908265fe9..78fa137d3f 100644
--- a/src/mesa/swrast/s_zoom.c
+++ b/src/mesa/swrast/s_zoom.c
@@ -155,14 +155,11 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
    zoomed_arrays.ChanType = span->array->ChanType;
    /* XXX temporary */
 #if CHAN_TYPE == GL_UNSIGNED_BYTE
-   zoomed_arrays.rgba = zoomed_arrays.color.sz1.rgba;
-   zoomed_arrays.spec = zoomed_arrays.color.sz1.spec;
+   zoomed_arrays.rgba = zoomed_arrays.rgba8;
 #elif CHAN_TYPE == GL_UNSIGNED_SHORT
-   zoomed_arrays.rgba = zoomed_arrays.color.sz2.rgba;
-   zoomed_arrays.spec = zoomed_arrays.color.sz2.spec;
+   zoomed_arrays.rgba = zoomed_arrays.rgba16;
 #else
    zoomed_arrays.rgba = zoomed_arrays.attribs[FRAG_ATTRIB_COL0];
-   zoomed_arrays.spec = zoomed_arrays.attribs[FRAG_ATTRIB_COL1];
 #endif
 
 
@@ -219,7 +216,7 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
             GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x;
             ASSERT(j >= 0);
             ASSERT(j < (GLint) span->end);
-            COPY_4UBV(zoomed.array->color.sz1.rgba[i], rgba[j]);
+            COPY_4UBV(zoomed.array->rgba8[i], rgba[j]);
          }
       }
       else if (zoomed.array->ChanType == GL_UNSIGNED_SHORT) {
@@ -229,7 +226,7 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
             GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x;
             ASSERT(j >= 0);
             ASSERT(j < (GLint) span->end);
-            COPY_4V(zoomed.array->color.sz2.rgba[i], rgba[j]);
+            COPY_4V(zoomed.array->rgba16[i], rgba[j]);
          }
       }
       else {
@@ -251,10 +248,10 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
             GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x;
             ASSERT(j >= 0);
             ASSERT(j < (GLint) span->end);
-            zoomed.array->color.sz1.rgba[i][0] = rgb[j][0];
-            zoomed.array->color.sz1.rgba[i][1] = rgb[j][1];
-            zoomed.array->color.sz1.rgba[i][2] = rgb[j][2];
-            zoomed.array->color.sz1.rgba[i][3] = 0xff;
+            zoomed.array->rgba8[i][0] = rgb[j][0];
+            zoomed.array->rgba8[i][1] = rgb[j][1];
+            zoomed.array->rgba8[i][2] = rgb[j][2];
+            zoomed.array->rgba8[i][3] = 0xff;
          }
       }
       else if (zoomed.array->ChanType == GL_UNSIGNED_SHORT) {
@@ -264,10 +261,10 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
             GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x;
             ASSERT(j >= 0);
             ASSERT(j < (GLint) span->end);
-            zoomed.array->color.sz2.rgba[i][0] = rgb[j][0];
-            zoomed.array->color.sz2.rgba[i][1] = rgb[j][1];
-            zoomed.array->color.sz2.rgba[i][2] = rgb[j][2];
-            zoomed.array->color.sz2.rgba[i][3] = 0xffff;
+            zoomed.array->rgba16[i][0] = rgb[j][0];
+            zoomed.array->rgba16[i][1] = rgb[j][1];
+            zoomed.array->rgba16[i][2] = rgb[j][2];
+            zoomed.array->rgba16[i][3] = 0xffff;
          }
       }
       else {
@@ -314,8 +311,7 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
        * Also, clipping may change the span end value, so store it as well.
        */
       const GLint end = zoomed.end; /* save */
-      /* use specular color array for temp storage */
-      void *rgbaSave = zoomed.array->spec;
+      GLuint rgbaSave[MAX_WIDTH][4];
       const GLint pixelSize =
          (zoomed.array->ChanType == GL_UNSIGNED_BYTE) ? 4 * sizeof(GLubyte) :
          ((zoomed.array->ChanType == GL_UNSIGNED_SHORT) ? 4 * sizeof(GLushort)
@@ -334,7 +330,7 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
    }
    else if (format == GL_COLOR_INDEX) {
       /* use specular color array for temp storage */
-      GLuint *indexSave = (GLuint *) zoomed.array->spec;
+      GLuint *indexSave = (GLuint *) zoomed.array->attribs[FRAG_ATTRIB_FOGC];
       const GLint end = zoomed.end; /* save */
       if (y1 - y0 > 1) {
          MEMCPY(indexSave, zoomed.array->index, zoomed.end * sizeof(GLuint));
-- 
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