swrast: add minor comments
This commit is contained in:
parent
79e3441f66
commit
8962bac0a1
|
@ -1311,6 +1311,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
|
||||||
/* Do the alpha test */
|
/* Do the alpha test */
|
||||||
if (ctx->Color.AlphaEnabled) {
|
if (ctx->Color.AlphaEnabled) {
|
||||||
if (!_swrast_alpha_test(ctx, span)) {
|
if (!_swrast_alpha_test(ctx, span)) {
|
||||||
|
/* all fragments failed test */
|
||||||
goto end;
|
goto end;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -1323,6 +1324,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
|
||||||
if (ctx->Stencil.Enabled && fb->Visual.stencilBits > 0) {
|
if (ctx->Stencil.Enabled && fb->Visual.stencilBits > 0) {
|
||||||
/* Combined Z/stencil tests */
|
/* Combined Z/stencil tests */
|
||||||
if (!_swrast_stencil_and_ztest_span(ctx, span)) {
|
if (!_swrast_stencil_and_ztest_span(ctx, span)) {
|
||||||
|
/* all fragments failed test */
|
||||||
goto end;
|
goto end;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -1331,6 +1333,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
|
||||||
ASSERT(ctx->Depth.Test);
|
ASSERT(ctx->Depth.Test);
|
||||||
ASSERT(span->arrayMask & SPAN_Z);
|
ASSERT(span->arrayMask & SPAN_Z);
|
||||||
if (!_swrast_depth_test_span(ctx, span)) {
|
if (!_swrast_depth_test_span(ctx, span)) {
|
||||||
|
/* all fragments failed test */
|
||||||
goto end;
|
goto end;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -1350,6 +1353,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
|
||||||
* the occlusion test.
|
* the occlusion test.
|
||||||
*/
|
*/
|
||||||
if (colorMask == 0x0) {
|
if (colorMask == 0x0) {
|
||||||
|
/* no colors to write */
|
||||||
goto end;
|
goto end;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue