On 06/07/2017 01:49 AM, Marek Olšák wrote:
On Tue, May 30, 2017 at 10:36 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
This adds some new helper functions to know if the current draw
call (or dispatch compute) is using bindless samplers/images,
based on TGSI analysis.

Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
  src/gallium/drivers/radeonsi/si_compute.c |  2 ++
  src/gallium/drivers/radeonsi/si_compute.h | 14 ++++++++++++++
  src/gallium/drivers/radeonsi/si_pipe.h    | 20 ++++++++++++++++++++
  src/gallium/drivers/radeonsi/si_shader.h  | 12 ++++++++++++
  4 files changed, 48 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_compute.c 
b/src/gallium/drivers/radeonsi/si_compute.c
index 4c980668d3..61fab7ddb0 100644
--- a/src/gallium/drivers/radeonsi/si_compute.c
+++ b/src/gallium/drivers/radeonsi/si_compute.c
@@ -108,6 +108,8 @@ static void si_create_compute_state_async(void *job, int 
thread_index)
         program->shader.is_monolithic = true;
         program->uses_grid_size = sel.info.uses_grid_size;
         program->uses_block_size = sel.info.uses_block_size;
+       program->uses_bindless_samplers = sel.info.uses_bindless_samplers;
+       program->uses_bindless_images = sel.info.uses_bindless_images;

         if (si_shader_create(program->screen, tm, &program->shader, debug)) {
                 program->shader.compilation_failed = true;
diff --git a/src/gallium/drivers/radeonsi/si_compute.h 
b/src/gallium/drivers/radeonsi/si_compute.h
index 764d708c4f..3cf1538267 100644
--- a/src/gallium/drivers/radeonsi/si_compute.h
+++ b/src/gallium/drivers/radeonsi/si_compute.h
@@ -49,6 +49,20 @@ struct si_compute {
         unsigned variable_group_size : 1;
         unsigned uses_grid_size:1;
         unsigned uses_block_size:1;
+       unsigned uses_bindless_samplers:1;
+       unsigned uses_bindless_images:1;
  };

+static inline bool
+si_compute_uses_bindless_samplers(struct si_context *sctx)
+{
+       return sctx->cs_shader_state.program->uses_bindless_samplers;
+}
+
+static inline bool
+si_compute_uses_bindless_images(struct si_context *sctx)
+{
+       return sctx->cs_shader_state.program->uses_bindless_images;
+}
+
  #endif /* SI_COMPUTE_H */
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h 
b/src/gallium/drivers/radeonsi/si_pipe.h
index 434bc0aa67..fe7cf20ec9 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -538,6 +538,26 @@ static inline struct tgsi_shader_info 
*si_get_vs_info(struct si_context *sctx)
                 return NULL;
  }

+static inline bool
+si_graphics_uses_bindless_samplers(struct si_context *sctx)
+{
+       return si_shader_uses_bindless_samplers(sctx->vs_shader.cso)  ||
+              si_shader_uses_bindless_samplers(sctx->gs_shader.cso)  ||
+              si_shader_uses_bindless_samplers(sctx->ps_shader.cso)  ||
+              si_shader_uses_bindless_samplers(sctx->tcs_shader.cso) ||
+              si_shader_uses_bindless_samplers(sctx->tes_shader.cso);
+}
+
+static inline bool
+si_graphics_uses_bindless_images(struct si_context *sctx)
+{
+       return si_shader_uses_bindless_images(sctx->vs_shader.cso)  ||
+              si_shader_uses_bindless_images(sctx->gs_shader.cso)  ||
+              si_shader_uses_bindless_images(sctx->ps_shader.cso)  ||
+              si_shader_uses_bindless_images(sctx->tcs_shader.cso) ||
+              si_shader_uses_bindless_images(sctx->tes_shader.cso);
+}

I'd like shader bind calls to set the result of these functions in a
bool flag in si_context. Then, patch 59 can use the bool flags instead
of calling the functions.

Yes, good idea.

Samuel


Marek

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