graw: Ensure new members are zeroed.

Several new state members were added, and they were not being zeroed,
causing random crashes.

src/gallium/targets/graw-null/graw_util.c

@@ -21,6 +21,7 @@ graw_parse_geometry_shader(struct pipe_context *pipe,
    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
       return NULL;
 
+   memset(&state, 0, sizeof state);
    state.tokens = tokens;
    return pipe->create_gs_state(pipe, &state);
 }
@@ -35,6 +36,7 @@ graw_parse_vertex_shader(struct pipe_context *pipe,
    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
       return NULL;
 
+   memset(&state, 0, sizeof state);
    state.tokens = tokens;
    return pipe->create_vs_state(pipe, &state);
 }
@@ -49,6 +51,7 @@ graw_parse_fragment_shader(struct pipe_context *pipe,
    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
       return NULL;
 
+   memset(&state, 0, sizeof state);
    state.tokens = tokens;
    return pipe->create_fs_state(pipe, &state);
 }

src/gallium/tests/graw/fs-fragcoord.c

@@ -64,6 +64,7 @@ set_vertices(void)
    handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
    info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof(struct vertex);
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/fs-frontface.c

@@ -86,6 +86,7 @@ set_vertices(void)
    handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
    info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof(struct vertex);
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/fs-test.c

@@ -213,6 +213,7 @@ static void set_vertices( void )
    handle = ctx->create_vertex_elements_state(ctx, 3, ve);
    ctx->bind_vertex_elements_state(ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/fs-write-z.c

@@ -90,6 +90,7 @@ set_vertices(void)
    handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
    info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof(struct vertex);
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/gs-test.c

@@ -248,6 +248,8 @@ static void set_vertices( void )
    handle = ctx->create_vertex_elements_state(ctx, 4, ve);
    ctx->bind_vertex_elements_state(ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
+
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;
    if (draw_strip) {

src/gallium/tests/graw/quad-sample.c

@@ -97,6 +97,7 @@ static void set_vertices( void )
    handle = ctx->create_vertex_elements_state(ctx, 2, ve);
    ctx->bind_vertex_elements_state(ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/quad-tex.c

@@ -53,6 +53,7 @@ static void set_vertices( void )
    handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
    info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/shader-leak.c

@@ -87,6 +87,7 @@ static void set_vertices( void )
    handle = ctx->create_vertex_elements_state(ctx, 2, ve);
    ctx->bind_vertex_elements_state(ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof(struct vertex);
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/tex-srgb.c

@@ -69,6 +69,7 @@ set_vertices(struct vertex *verts, unsigned num_verts)
    handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
    info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof(struct vertex);
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/tex-swizzle.c

@@ -51,6 +51,7 @@ static void set_vertices(void)
    handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
    info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof(struct vertex);
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/tri-gs.c

@@ -88,6 +88,7 @@ static void set_vertices( void )
    handle = ctx->create_vertex_elements_state(ctx, 2, ve);
    ctx->bind_vertex_elements_state(ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/tri-instanced.c

@@ -130,6 +130,7 @@ static void set_vertices( void )
    handle = ctx->create_vertex_elements_state(ctx, 3, ve);
    ctx->bind_vertex_elements_state(ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    /* vertex data */
    vbuf[0].stride = sizeof( struct vertex );

src/gallium/tests/graw/tri.c

@@ -52,6 +52,7 @@ static void set_vertices( void )
    handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
    info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;

src/gallium/tests/graw/vs-test.c

@@ -170,6 +170,8 @@ static void set_vertices( void )
       }
    }
 
+   memset(&vbuf, 0, sizeof vbuf);
+
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;
    vbuf.buffer = pipe_buffer_create_with_data(ctx,