diff --git a/src/gallium/drivers/svga/svga_pipe_sampler.c b/src/gallium/drivers/svga/svga_pipe_sampler.c index 95241176510..3e778f0a087 100644 --- a/src/gallium/drivers/svga/svga_pipe_sampler.c +++ b/src/gallium/drivers/svga/svga_pipe_sampler.c @@ -287,6 +287,7 @@ svga_bind_sampler_states(struct pipe_context *pipe, { struct svga_context *svga = svga_context(pipe); unsigned i; + boolean any_change = FALSE; assert(shader < PIPE_SHADER_TYPES); assert(start + num <= PIPE_MAX_SAMPLERS); @@ -295,8 +296,15 @@ svga_bind_sampler_states(struct pipe_context *pipe, if (!svga_have_vgpu10(svga) && shader != PIPE_SHADER_FRAGMENT) return; - for (i = 0; i < num; i++) + for (i = 0; i < num; i++) { + if (svga->curr.sampler[shader][start + i] != samplers[i]) + any_change = TRUE; svga->curr.sampler[shader][start + i] = samplers[i]; + } + + if (!any_change) { + return; + } /* find highest non-null sampler[] entry */ { @@ -405,6 +413,7 @@ svga_set_sampler_views(struct pipe_context *pipe, unsigned flag_1d = 0; unsigned flag_srgb = 0; uint i; + boolean any_change = FALSE; assert(shader < PIPE_SHADER_TYPES); assert(start + num <= Elements(svga->curr.sampler_views[shader])); @@ -422,6 +431,7 @@ svga_set_sampler_views(struct pipe_context *pipe, pipe_sampler_view_release(pipe, &svga->curr.sampler_views[shader][start + i]); pipe_sampler_view_reference(&svga->curr.sampler_views[shader][start + i], views[i]); + any_change = TRUE; } if (!views[i]) @@ -434,6 +444,10 @@ svga_set_sampler_views(struct pipe_context *pipe, flag_1d |= 1 << (start + i); } + if (!any_change) { + return; + } + /* find highest non-null sampler_views[] entry */ { unsigned j = MAX2(svga->curr.num_sampler_views[shader], start + num);