X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_span.c;h=ab7b82b19d952e4a17c2c75c17e5714620c3fc07;hb=71e64fc30b4f57bd93daf004bc04af7181391f4d;hp=214c2a1b6f338b4cf758d8876758d1aef19ae060;hpb=9136c9b29ed5c14bc89a4c4e3a391e0b097092e1;p=mesa.git

diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 214c2a1b6f3..ab7b82b19d9 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1032,6 +1032,7 @@ add_specular(GLcontext *ctx, SWspan *span)
    ASSERT(!ctx->FragmentProgram._Current);
    ASSERT(span->arrayMask & SPAN_RGBA);
    ASSERT(swrast->_ActiveAttribMask & FRAG_BIT_COL1);
+   (void) swrast; /* silence warning */
 
    if (span->array->ChanType == GL_FLOAT) {
       if ((span->arrayAttribs & FRAG_BIT_COL0) == 0) {
@@ -1310,6 +1311,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
    /* Do the alpha test */
    if (ctx->Color.AlphaEnabled) {
       if (!_swrast_alpha_test(ctx, span)) {
+         /* all fragments failed test */
          goto end;
       }
    }
@@ -1322,6 +1324,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
       if (ctx->Stencil.Enabled && fb->Visual.stencilBits > 0) {
          /* Combined Z/stencil tests */
          if (!_swrast_stencil_and_ztest_span(ctx, span)) {
+            /* all fragments failed test */
             goto end;
          }
       }
@@ -1330,6 +1333,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
          ASSERT(ctx->Depth.Test);
          ASSERT(span->arrayMask & SPAN_Z);
          if (!_swrast_depth_test_span(ctx, span)) {
+            /* all fragments failed test */
             goto end;
          }
       }
@@ -1349,6 +1353,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
     * the occlusion test.
     */
    if (colorMask == 0x0) {
+      /* no colors to write */
       goto end;
    }