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tnl: add some comments in render_line_loop code

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And remove '(void) flags' line which is not needed.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
This commit is contained in:
Brian Paul 2015-10-15 22:30:22 -06:00
parent f7272032be
commit 6cc596c66b
1 changed files with 3 additions and 2 deletions
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5
src/mesa/tnl/t_vb_rendertmp.h
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@ -124,19 +124,19 @@ static void TAG(render_line_loop)( struct gl_context *ctx,
GLuint i;
LOCAL_VARS;
(void) flags;
INIT(GL_LINE_LOOP);
if (start+1 < count) {
if (TEST_PRIM_BEGIN(flags)) {
RESET_STIPPLE;
/* draw the first line from v[0] to v[1] */
if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
RENDER_LINE( ELT(start), ELT(start+1) );
else
RENDER_LINE( ELT(start+1), ELT(start) );
}
/* draw lines from v[1] to v[n-1] */
for ( i = start+2 ; i < count ; i++) {
if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
RENDER_LINE( ELT(i-1), ELT(i) );
@ -145,6 +145,7 @@ static void TAG(render_line_loop)( struct gl_context *ctx,
}
if ( TEST_PRIM_END(flags)) {
/* draw final line from v[n-1] to v[0] (the very first vertex) */
if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
RENDER_LINE( ELT(count-1), ELT(start) );
else