[Mesa-dev] [RFC PATCH 59/65] radeonsi: track use of bindless samplers/images from tgsi_shader_info

[Samuel Pitoiset]

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.pitoiset at 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 8d8efbda1f..c52b364959 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -544,6 +544,26 @@ 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);
+}
+
 static inline struct si_shader* si_get_vs_state(struct si_context *sctx)
 {
 	if (sctx->gs_shader.current)
diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h
index aab902b4c7..87bbbf9c2a 100644
--- a/src/gallium/drivers/radeonsi/si_shader.h
+++ b/src/gallium/drivers/radeonsi/si_shader.h
@@ -622,4 +622,16 @@ si_get_main_shader_part(struct si_shader_selector *sel,
 	return &sel->main_shader_part;
 }
 
+static inline bool
+si_shader_uses_bindless_samplers(struct si_shader_selector *selector)
+{
+	return selector ? selector->info.uses_bindless_samplers : false;
+}
+
+static inline bool
+si_shader_uses_bindless_images(struct si_shader_selector *selector)
+{
+	return selector ? selector->info.uses_bindless_images : false;
+}
+
 #endif
-- 
2.13.0