C++ (Cpp) fd3_emit_vertex_bufs示例

示例#1

文件： fd3_draw.c 项目： ashmew2/kolibriosSVN

static void
draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring,
		struct fd3_emit *emit)
{
	const struct pipe_draw_info *info = emit->info;
	enum pc_di_primtype primtype = ctx->primtypes[info->mode];

	fd3_emit_state(ctx, ring, emit);

	if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE))
		fd3_emit_vertex_bufs(ring, emit);

	OUT_PKT0(ring, REG_A3XX_PC_VERTEX_REUSE_BLOCK_CNTL, 1);
	OUT_RING(ring, 0x0000000b);             /* PC_VERTEX_REUSE_BLOCK_CNTL */

	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
	OUT_RING(ring, add_sat(info->min_index, info->index_bias)); /* VFD_INDEX_MIN */
	OUT_RING(ring, add_sat(info->max_index, info->index_bias)); /* VFD_INDEX_MAX */
	OUT_RING(ring, info->start_instance);   /* VFD_INSTANCEID_OFFSET */
	OUT_RING(ring, info->indexed ? info->index_bias : info->start); /* VFD_INDEX_OFFSET */

	OUT_PKT0(ring, REG_A3XX_PC_RESTART_INDEX, 1);
	OUT_RING(ring, info->primitive_restart ? /* PC_RESTART_INDEX */
			info->restart_index : 0xffffffff);

	if (ctx->rasterizer && ctx->rasterizer->point_size_per_vertex &&
		info->mode == PIPE_PRIM_POINTS)
		primtype = DI_PT_POINTLIST_A2XX;

	fd_draw_emit(ctx, ring,
			primtype,
			emit->key.binning_pass ? IGNORE_VISIBILITY : USE_VISIBILITY,
			info);
}

示例#2

文件： fd3_draw.c 项目： Haifen/Mesa-3D

static void
emit_vertexbufs(struct fd_context *ctx, struct fd_ringbuffer *ring,
		struct fd3_shader_key key)
{
	struct fd_vertex_stateobj *vtx = ctx->vtx;
	struct fd_vertexbuf_stateobj *vertexbuf = &ctx->vertexbuf;
	struct fd3_vertex_buf bufs[PIPE_MAX_ATTRIBS];
	unsigned i;

	if (!vtx->num_elements)
		return;

	for (i = 0; i < vtx->num_elements; i++) {
		struct pipe_vertex_element *elem = &vtx->pipe[i];
		struct pipe_vertex_buffer *vb =
				&vertexbuf->vb[elem->vertex_buffer_index];
		bufs[i].offset = vb->buffer_offset + elem->src_offset;
		bufs[i].stride = vb->stride;
		bufs[i].prsc   = vb->buffer;
		bufs[i].format = elem->src_format;
	}

	fd3_emit_vertex_bufs(ring, fd3_shader_variant(ctx->prog.vp, key),
			bufs, vtx->num_elements);
}

示例#3

文件： fd3_draw.c 项目： freedesktop-unofficial-mirror/openchrome__mesa-openchrome

static void
draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring,
		struct fd3_emit *emit)
{
	const struct pipe_draw_info *info = emit->info;

	fd3_emit_state(ctx, ring, emit);

	if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE))
		fd3_emit_vertex_bufs(ring, emit);

	OUT_PKT0(ring, REG_A3XX_PC_VERTEX_REUSE_BLOCK_CNTL, 1);
	OUT_RING(ring, 0x0000000b);             /* PC_VERTEX_REUSE_BLOCK_CNTL */

	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
	OUT_RING(ring, add_sat(info->min_index, info->index_bias)); /* VFD_INDEX_MIN */
	OUT_RING(ring, add_sat(info->max_index, info->index_bias)); /* VFD_INDEX_MAX */
	OUT_RING(ring, info->start_instance);   /* VFD_INSTANCEID_OFFSET */
	OUT_RING(ring, info->indexed ? info->index_bias : info->start); /* VFD_INDEX_OFFSET */

	OUT_PKT0(ring, REG_A3XX_PC_RESTART_INDEX, 1);
	OUT_RING(ring, info->primitive_restart ? /* PC_RESTART_INDEX */
			info->restart_index : 0xffffffff);

	fd_draw_emit(ctx, ring,
			emit->key.binning_pass ? IGNORE_VISIBILITY : USE_VISIBILITY,
			info);
}