Module: Mesa
Branch: master
Commit: 5bfe2835c2e0d3b7b3f11063f6120103f228676b
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5bfe2835c2e0d3b7b3f11063f6120103f228676b

Author: Jordan Justen <[email protected]>
Date:   Thu Oct 15 10:27:00 2015 -0700

i965: Setup pull constant state for compute programs

Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>

---

 src/mesa/drivers/dri/i965/brw_context.h      |    2 +-
 src/mesa/drivers/dri/i965/brw_state.h        |    1 +
 src/mesa/drivers/dri/i965/brw_state_upload.c |    2 ++
 src/mesa/drivers/dri/i965/gen7_cs_state.c    |   31 ++++++++++++++++++++++++++
 4 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.h 
b/src/mesa/drivers/dri/i965/brw_context.h
index e075395..c83f47b 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1172,7 +1172,7 @@ struct brw_context
 
    int num_atoms[BRW_NUM_PIPELINES];
    const struct brw_tracked_state render_atoms[60];
-   const struct brw_tracked_state compute_atoms[8];
+   const struct brw_tracked_state compute_atoms[9];
 
    /* If (INTEL_DEBUG & DEBUG_BATCH) */
    struct {
diff --git a/src/mesa/drivers/dri/i965/brw_state.h 
b/src/mesa/drivers/dri/i965/brw_state.h
index 7838901..2aa1248 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -49,6 +49,7 @@ extern const struct brw_tracked_state brw_clip_unit;
 extern const struct brw_tracked_state brw_vs_pull_constants;
 extern const struct brw_tracked_state brw_gs_pull_constants;
 extern const struct brw_tracked_state brw_wm_pull_constants;
+extern const struct brw_tracked_state brw_cs_pull_constants;
 extern const struct brw_tracked_state brw_constant_buffer;
 extern const struct brw_tracked_state brw_curbe_offsets;
 extern const struct brw_tracked_state brw_invariant_state;
diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c 
b/src/mesa/drivers/dri/i965/brw_state_upload.c
index 79b8301..0344b8a 100644
--- a/src/mesa/drivers/dri/i965/brw_state_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_state_upload.c
@@ -259,6 +259,7 @@ static const struct brw_tracked_state *gen7_compute_atoms[] 
=
    &brw_state_base_address,
    &brw_cs_image_surfaces,
    &gen7_cs_push_constants,
+   &brw_cs_pull_constants,
    &brw_cs_ubo_surfaces,
    &brw_cs_abo_surfaces,
    &brw_texture_surfaces,
@@ -353,6 +354,7 @@ static const struct brw_tracked_state *gen8_compute_atoms[] 
=
    &gen8_state_base_address,
    &brw_cs_image_surfaces,
    &gen7_cs_push_constants,
+   &brw_cs_pull_constants,
    &brw_cs_ubo_surfaces,
    &brw_cs_abo_surfaces,
    &brw_texture_surfaces,
diff --git a/src/mesa/drivers/dri/i965/gen7_cs_state.c 
b/src/mesa/drivers/dri/i965/gen7_cs_state.c
index 6aeb0cb..2d7c04f 100644
--- a/src/mesa/drivers/dri/i965/gen7_cs_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_cs_state.c
@@ -285,3 +285,34 @@ const struct brw_tracked_state gen7_cs_push_constants = {
    },
    .emit = gen7_upload_cs_push_constants,
 };
+
+/**
+ * Creates a new CS constant buffer reflecting the current CS program's
+ * constants, if needed by the CS program.
+ */
+static void
+brw_upload_cs_pull_constants(struct brw_context *brw)
+{
+   struct brw_stage_state *stage_state = &brw->cs.base;
+
+   /* BRW_NEW_COMPUTE_PROGRAM */
+   struct brw_compute_program *cp =
+      (struct brw_compute_program *) brw->compute_program;
+
+   /* BRW_NEW_CS_PROG_DATA */
+   const struct brw_stage_prog_data *prog_data = &brw->cs.prog_data->base;
+
+   /* _NEW_PROGRAM_CONSTANTS */
+   brw_upload_pull_constants(brw, BRW_NEW_SURFACES, &cp->program.Base,
+                             stage_state, prog_data, true);
+}
+
+const struct brw_tracked_state brw_cs_pull_constants = {
+   .dirty = {
+      .mesa = _NEW_PROGRAM_CONSTANTS,
+      .brw = BRW_NEW_BATCH |
+             BRW_NEW_COMPUTE_PROGRAM |
+             BRW_NEW_CS_PROG_DATA,
+   },
+   .emit = brw_upload_cs_pull_constants,
+};

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