[Mesa-dev] [PATCH 01/21] i965: Move brw_upload_pull_constants to gen6_constant_state.c

Jason Ekstrand jason at jlekstrand.net
Fri Sep 29 21:25:01 UTC 2017


---
 src/mesa/drivers/dri/i965/brw_state.h            |  2 +-
 src/mesa/drivers/dri/i965/brw_vs_surface_state.c | 63 -----------------------
 src/mesa/drivers/dri/i965/gen6_constant_state.c  | 64 ++++++++++++++++++++++++
 3 files changed, 65 insertions(+), 64 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
index 9718739..4f471a0 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -237,7 +237,7 @@ void brw_emit_sampler_state(struct brw_context *brw,
                             bool non_normalized_coordinates,
                             uint32_t border_color_offset);
 
-/* brw_vs_surface_state.c */
+/* gen6_constant_state.c */
 void
 brw_upload_pull_constants(struct brw_context *brw,
                           GLbitfield64 brw_new_constbuf,
diff --git a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
index 23f841e..24c22e0 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
@@ -37,69 +37,6 @@
 #include "brw_state.h"
 #include "intel_buffer_objects.h"
 
-/**
- * Creates a temporary BO containing the pull constant data for the shader
- * stage, and the SURFACE_STATE struct that points at it.
- *
- * Pull constants are GLSL uniforms (and other constant data) beyond what we
- * could fit as push constants, or that have variable-index array access
- * (which is easiest to support using pull constants, and avoids filling
- * register space with mostly-unused data).
- *
- * Compare this path to brw_curbe.c for gen4/5 push constants, and
- * gen6_vs_state.c for gen6+ push constants.
- */
-void
-brw_upload_pull_constants(struct brw_context *brw,
-                          GLbitfield64 brw_new_constbuf,
-                          const struct gl_program *prog,
-                          struct brw_stage_state *stage_state,
-                          const struct brw_stage_prog_data *prog_data)
-{
-   unsigned i;
-   uint32_t surf_index = prog_data->binding_table.pull_constants_start;
-
-   if (!prog_data->nr_pull_params) {
-      if (stage_state->surf_offset[surf_index]) {
-	 stage_state->surf_offset[surf_index] = 0;
-	 brw->ctx.NewDriverState |= brw_new_constbuf;
-      }
-      return;
-   }
-
-   /* Updates the ParamaterValues[i] pointers for all parameters of the
-    * basic type of PROGRAM_STATE_VAR.
-    */
-   _mesa_load_state_parameters(&brw->ctx, prog->Parameters);
-
-   /* BRW_NEW_*_PROG_DATA | _NEW_PROGRAM_CONSTANTS */
-   uint32_t size = prog_data->nr_pull_params * 4;
-   struct brw_bo *const_bo = NULL;
-   uint32_t const_offset;
-   gl_constant_value *constants = intel_upload_space(brw, size, 64,
-                                                     &const_bo, &const_offset);
-
-   STATIC_ASSERT(sizeof(gl_constant_value) == sizeof(float));
-
-   for (i = 0; i < prog_data->nr_pull_params; i++) {
-      constants[i] = *prog_data->pull_param[i];
-   }
-
-   if (0) {
-      for (i = 0; i < ALIGN(prog_data->nr_pull_params, 4) / 4; i++) {
-	 const gl_constant_value *row = &constants[i * 4];
-	 fprintf(stderr, "const surface %3d: %4.3f %4.3f %4.3f %4.3f\n",
-                 i, row[0].f, row[1].f, row[2].f, row[3].f);
-      }
-   }
-
-   brw_create_constant_surface(brw, const_bo, const_offset, size,
-                               &stage_state->surf_offset[surf_index]);
-   brw_bo_unreference(const_bo);
-
-   brw->ctx.NewDriverState |= brw_new_constbuf;
-}
-
 
 /* Creates a new VS constant buffer reflecting the current VS program's
  * constants, if needed by the VS program.
diff --git a/src/mesa/drivers/dri/i965/gen6_constant_state.c b/src/mesa/drivers/dri/i965/gen6_constant_state.c
index 72f00d5..9bb79cf 100644
--- a/src/mesa/drivers/dri/i965/gen6_constant_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_constant_state.c
@@ -123,3 +123,67 @@ gen6_upload_push_constants(struct brw_context *brw,
 
    stage_state->push_constants_dirty = true;
 }
+
+
+/**
+ * Creates a temporary BO containing the pull constant data for the shader
+ * stage, and the SURFACE_STATE struct that points at it.
+ *
+ * Pull constants are GLSL uniforms (and other constant data) beyond what we
+ * could fit as push constants, or that have variable-index array access
+ * (which is easiest to support using pull constants, and avoids filling
+ * register space with mostly-unused data).
+ *
+ * Compare this path to brw_curbe.c for gen4/5 push constants, and
+ * gen6_vs_state.c for gen6+ push constants.
+ */
+void
+brw_upload_pull_constants(struct brw_context *brw,
+                          GLbitfield64 brw_new_constbuf,
+                          const struct gl_program *prog,
+                          struct brw_stage_state *stage_state,
+                          const struct brw_stage_prog_data *prog_data)
+{
+   unsigned i;
+   uint32_t surf_index = prog_data->binding_table.pull_constants_start;
+
+   if (!prog_data->nr_pull_params) {
+      if (stage_state->surf_offset[surf_index]) {
+	 stage_state->surf_offset[surf_index] = 0;
+	 brw->ctx.NewDriverState |= brw_new_constbuf;
+      }
+      return;
+   }
+
+   /* Updates the ParamaterValues[i] pointers for all parameters of the
+    * basic type of PROGRAM_STATE_VAR.
+    */
+   _mesa_load_state_parameters(&brw->ctx, prog->Parameters);
+
+   /* BRW_NEW_*_PROG_DATA | _NEW_PROGRAM_CONSTANTS */
+   uint32_t size = prog_data->nr_pull_params * 4;
+   struct brw_bo *const_bo = NULL;
+   uint32_t const_offset;
+   gl_constant_value *constants = intel_upload_space(brw, size, 64,
+                                                     &const_bo, &const_offset);
+
+   STATIC_ASSERT(sizeof(gl_constant_value) == sizeof(float));
+
+   for (i = 0; i < prog_data->nr_pull_params; i++) {
+      constants[i] = *prog_data->pull_param[i];
+   }
+
+   if (0) {
+      for (i = 0; i < ALIGN(prog_data->nr_pull_params, 4) / 4; i++) {
+	 const gl_constant_value *row = &constants[i * 4];
+	 fprintf(stderr, "const surface %3d: %4.3f %4.3f %4.3f %4.3f\n",
+                 i, row[0].f, row[1].f, row[2].f, row[3].f);
+      }
+   }
+
+   brw_create_constant_surface(brw, const_bo, const_offset, size,
+                               &stage_state->surf_offset[surf_index]);
+   brw_bo_unreference(const_bo);
+
+   brw->ctx.NewDriverState |= brw_new_constbuf;
+}
-- 
2.5.0.400.gff86faf



More information about the mesa-dev mailing list