Module: Mesa
Branch: master
Commit: b53c207659e65a29081c0f26b189f37fdd895406
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=b53c207659e65a29081c0f26b189f37fdd895406

Author: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Date:   Wed Oct  4 22:27:38 2017 +0200

radv: check that pipeline is different before binding it

We only need to dirty the descriptors when the pipeline is
a new one, because user SGPRs can be potentially different.

Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>

---

 src/amd/vulkan/radv_cmd_buffer.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 61ea11c12a..4b41b358e9 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -2454,14 +2454,20 @@ void radv_CmdBindPipeline(
        RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
        RADV_FROM_HANDLE(radv_pipeline, pipeline, _pipeline);
 
-       radv_mark_descriptor_sets_dirty(cmd_buffer);
-
        switch (pipelineBindPoint) {
        case VK_PIPELINE_BIND_POINT_COMPUTE:
+               if (cmd_buffer->state.compute_pipeline == pipeline)
+                       return;
+               radv_mark_descriptor_sets_dirty(cmd_buffer);
+
                cmd_buffer->state.compute_pipeline = pipeline;
                cmd_buffer->push_constant_stages |= VK_SHADER_STAGE_COMPUTE_BIT;
                break;
        case VK_PIPELINE_BIND_POINT_GRAPHICS:
+               if (cmd_buffer->state.pipeline == pipeline)
+                       return;
+               radv_mark_descriptor_sets_dirty(cmd_buffer);
+
                cmd_buffer->state.pipeline = pipeline;
                if (!pipeline)
                        break;

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