SVGA3dElementLayoutId layout_id;
SVGA3dPrimitiveType topology;
+ /** Vertex buffer state */
+ SVGA3dVertexBuffer vbuffers[PIPE_MAX_ATTRIBS];
+ struct svga_winsys_surface *vbuffer_handles[PIPE_MAX_ATTRIBS];
+ unsigned num_vbuffers;
+
struct svga_winsys_surface *ib; /**< index buffer for drawing */
SVGA3dSurfaceFormat ib_format;
unsigned ib_offset;
buffers[i].offset = hwtnl->cmd.vbufs[i].buffer_offset;
}
if (vbuf_count > 0) {
- ret = SVGA3D_vgpu10_SetVertexBuffers(svga->swc, vbuf_count,
- 0, /* startBuffer */
- buffers, vb_handle);
- if (ret != PIPE_OK)
- return ret;
+ /* If we haven't yet emitted a drawing command or if any
+ * vertex buffer state is changing, issue that state now.
+ */
+ if (((hwtnl->cmd.swc->hints & SVGA_HINT_FLAG_DRAW_EMITTED) == 0) ||
+ vbuf_count != svga->state.hw_draw.num_vbuffers ||
+ memcmp(buffers, svga->state.hw_draw.vbuffers,
+ vbuf_count * sizeof(buffers[0])) ||
+ memcmp(vb_handle, svga->state.hw_draw.vbuffer_handles,
+ vbuf_count * sizeof(vb_handle[0]))) {
+ ret = SVGA3D_vgpu10_SetVertexBuffers(svga->swc, vbuf_count,
+ 0, /* startBuffer */
+ buffers, vb_handle);
+ if (ret != PIPE_OK)
+ return ret;
+
+ svga->state.hw_draw.num_vbuffers = vbuf_count;
+ memcpy(svga->state.hw_draw.vbuffers, buffers,
+ vbuf_count * sizeof(buffers[0]));
+ memcpy(svga->state.hw_draw.vbuffer_handles, vb_handle,
+ vbuf_count * sizeof(vb_handle[0]));
+ }
}
}