mesa: add/update comments in _mesa_copy_buffer_subdata()

[mesa.git] / src / mesa / drivers / dri / i965 / gen6_gs_state.c

diff --git a/src/mesa/drivers/dri/i965/gen6_gs_state.c b/src/mesa/drivers/dri/i965/gen6_gs_state.c
index 9a4a13810ad3b9e915b8d249f595bf7f7fe62a44..fdad5d42dcd866d710b3faf08b18a16a7a131d7d 100644 (file)
--- a/src/mesa/drivers/dri/i965/gen6_gs_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_gs_state.c
@@ -28,9 +28,6 @@
 #include "brw_context.h"
 #include "brw_state.h"
 #include "brw_defines.h"
-#include "brw_util.h"
-#include "main/macros.h"
-#include "main/enums.h"
 #include "intel_batchbuffer.h"
 
 static void
@@ -38,24 +35,36 @@ upload_gs_state(struct brw_context *brw)
 {
    struct intel_context *intel = &brw->intel;
 
-   if (brw->gs.prog_bo) {
+   /* Disable all the constant buffers. */
+   BEGIN_BATCH(5);
+   OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (5 - 2));
+   OUT_BATCH(0);
+   OUT_BATCH(0);
+   OUT_BATCH(0);
+   OUT_BATCH(0);
+   ADVANCE_BATCH();
+
+   if (brw->gs.prog_active) {
       BEGIN_BATCH(7);
-      OUT_BATCH(CMD_3D_GS_STATE << 16 | (7 - 2));
-      OUT_RELOC(brw->gs.prog_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
-      OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) |
-               (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
-      OUT_BATCH(0); /* scratch space base offset */
-      OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
-               (brw->gs.prog_data->urb_read_length << GEN6_GS_URB_READ_LENGTH_SHIFT) |
-               (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
-      OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
-               GEN6_GS_STATISTICS_ENABLE |
+      OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
+      OUT_BATCH(brw->gs.prog_offset);
+      OUT_BATCH(GEN6_GS_SPF_MODE | GEN6_GS_VECTOR_MASK_ENABLE);
+      OUT_BATCH(0); /* no scratch space */
+      OUT_BATCH((2 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
+               (brw->gs.prog_data->urb_read_length << GEN6_GS_URB_READ_LENGTH_SHIFT));
+      OUT_BATCH(((brw->max_gs_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT) |
+               GEN6_GS_STATISTICS_ENABLE |
+               GEN6_GS_SO_STATISTICS_ENABLE |
                GEN6_GS_RENDERING_ENABLE);
-      OUT_BATCH(GEN6_GS_ENABLE);
+      OUT_BATCH(GEN6_GS_SVBI_PAYLOAD_ENABLE |
+                GEN6_GS_SVBI_POSTINCREMENT_ENABLE |
+                (brw->gs.prog_data->svbi_postincrement_value <<
+                 GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT) |
+                GEN6_GS_ENABLE);
       ADVANCE_BATCH();
    } else {
       BEGIN_BATCH(7);
-      OUT_BATCH(CMD_3D_GS_STATE << 16 | (7 - 2));
+      OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
       OUT_BATCH(0); /* prog_bo */
       OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) |
                (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
@@ -69,24 +78,12 @@ upload_gs_state(struct brw_context *brw)
       OUT_BATCH(0);
       ADVANCE_BATCH();
    }
-
-   /* Disable all the constant buffers. */
-   BEGIN_BATCH(5);
-   OUT_BATCH(CMD_3D_CONSTANT_GS_STATE << 16 | (5 - 2));
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   ADVANCE_BATCH();
-
-   intel_batchbuffer_emit_mi_flush(intel->batch);
 }
 
 const struct brw_tracked_state gen6_gs_state = {
    .dirty = {
       .mesa  = _NEW_TRANSFORM,
-      .brw   = (BRW_NEW_CURBE_OFFSETS |
-               BRW_NEW_URB_FENCE |
+      .brw   = (BRW_NEW_URB_FENCE |
                BRW_NEW_CONTEXT),
       .cache = CACHE_NEW_GS_PROG
    },