diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_draw.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_draw.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/src/gallium/drivers/svga/svga_draw.c b/src/gallium/drivers/svga/svga_draw.c index 2d3631d6f9c..d4c9914afbd 100644 --- a/src/gallium/drivers/svga/svga_draw.c +++ b/src/gallium/drivers/svga/svga_draw.c @@ -517,11 +517,27 @@ draw_vgpu10(struct svga_hwtnl *hwtnl, 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])); + } } } |