i965: Delete intel_context entirely.
[mesa.git] / src / mesa / drivers / dri / i965 / gen6_depthstencil.c
index 4924f0fd5592981da19e2acddd0a7e42c824ce49..7b06c1e90f90984934a4c31a7da8c043b57ac466 100644 (file)
  *
  */
 
+#include "intel_batchbuffer.h"
+#include "intel_fbo.h"
 #include "brw_context.h"
+#include "brw_defines.h"
 #include "brw_state.h"
 
-struct brw_depth_stencil_state_key {
-   GLenum depth_func;
-   GLboolean depth_test, depth_write;
-   GLboolean stencil, stencil_two_side;
-   GLenum stencil_func[2], stencil_fail_op[2];
-   GLenum stencil_pass_depth_fail_op[2], stencil_pass_depth_pass_op[2];
-   GLubyte stencil_write_mask[2], stencil_test_mask[2];
-};
-
 static void
-depth_stencil_state_populate_key(struct brw_context *brw,
-                                struct brw_depth_stencil_state_key *key)
-{
-   GLcontext *ctx = &brw->intel.ctx;
-   const unsigned back = ctx->Stencil._BackFace;
-
-   memset(key, 0, sizeof(*key));
-
-   /* _NEW_STENCIL */
-   key->stencil = ctx->Stencil._Enabled;
-   key->stencil_two_side = ctx->Stencil._TestTwoSide;
-
-   if (key->stencil) {
-      key->stencil_func[0] = ctx->Stencil.Function[0];
-      key->stencil_fail_op[0] = ctx->Stencil.FailFunc[0];
-      key->stencil_pass_depth_fail_op[0] = ctx->Stencil.ZFailFunc[0];
-      key->stencil_pass_depth_pass_op[0] = ctx->Stencil.ZPassFunc[0];
-      key->stencil_write_mask[0] = ctx->Stencil.WriteMask[0];
-      key->stencil_test_mask[0] = ctx->Stencil.ValueMask[0];
-   }
-   if (key->stencil_two_side) {
-      key->stencil_func[1] = ctx->Stencil.Function[back];
-      key->stencil_fail_op[1] = ctx->Stencil.FailFunc[back];
-      key->stencil_pass_depth_fail_op[1] = ctx->Stencil.ZFailFunc[back];
-      key->stencil_pass_depth_pass_op[1] = ctx->Stencil.ZPassFunc[back];
-      key->stencil_write_mask[1] = ctx->Stencil.WriteMask[back];
-      key->stencil_test_mask[1] = ctx->Stencil.ValueMask[back];
-   }
-
-   key->depth_test = ctx->Depth.Test;
-   if (key->depth_test) {
-      key->depth_func = ctx->Depth.Func;
-      key->depth_write = ctx->Depth.Mask;
-   }
-}
-
-/**
- * Creates the state cache entry for the given DEPTH_STENCIL_STATE state key.
- */
-static dri_bo *
-depth_stencil_state_create_from_key(struct brw_context *brw,
-                                   struct brw_depth_stencil_state_key *key)
+gen6_upload_depth_stencil_state(struct brw_context *brw)
 {
-   struct gen6_depth_stencil_state ds;
-   dri_bo *bo;
-
-   memset(&ds, 0, sizeof(ds));
-
-   /* _NEW_STENCIL */
-   if (key->stencil) {
-      ds.ds0.stencil_enable = 1;
-      ds.ds0.stencil_func =
-        intel_translate_compare_func(key->stencil_func[0]);
-      ds.ds0.stencil_fail_op =
-        intel_translate_stencil_op(key->stencil_fail_op[0]);
-      ds.ds0.stencil_pass_depth_fail_op =
-        intel_translate_stencil_op(key->stencil_pass_depth_fail_op[0]);
-      ds.ds0.stencil_pass_depth_pass_op =
-        intel_translate_stencil_op(key->stencil_pass_depth_pass_op[0]);
-      ds.ds1.stencil_write_mask = key->stencil_write_mask[0];
-      ds.ds1.stencil_test_mask = key->stencil_test_mask[0];
-
-      if (key->stencil_two_side) {
-        ds.ds0.bf_stencil_enable = 1;
-        ds.ds0.bf_stencil_func =
-           intel_translate_compare_func(key->stencil_func[1]);
-        ds.ds0.bf_stencil_fail_op =
-           intel_translate_stencil_op(key->stencil_fail_op[1]);
-        ds.ds0.bf_stencil_pass_depth_fail_op =
-           intel_translate_stencil_op(key->stencil_pass_depth_fail_op[1]);
-        ds.ds0.bf_stencil_pass_depth_pass_op =
-           intel_translate_stencil_op(key->stencil_pass_depth_pass_op[1]);
-        ds.ds1.bf_stencil_write_mask = key->stencil_write_mask[1];
-        ds.ds1.bf_stencil_test_mask = key->stencil_test_mask[1];
+   struct gl_context *ctx = &brw->ctx;
+   struct gen6_depth_stencil_state *ds;
+   struct intel_renderbuffer *depth_irb;
+
+   /* _NEW_BUFFERS */
+   depth_irb = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_DEPTH);
+
+   ds = brw_state_batch(brw, AUB_TRACE_DEPTH_STENCIL_STATE,
+                       sizeof(*ds), 64,
+                       &brw->cc.depth_stencil_state_offset);
+   memset(ds, 0, sizeof(*ds));
+
+   /* _NEW_STENCIL | _NEW_BUFFERS */
+   if (ctx->Stencil._Enabled) {
+      int back = ctx->Stencil._BackFace;
+
+      ds->ds0.stencil_enable = 1;
+      ds->ds0.stencil_func =
+        intel_translate_compare_func(ctx->Stencil.Function[0]);
+      ds->ds0.stencil_fail_op =
+        intel_translate_stencil_op(ctx->Stencil.FailFunc[0]);
+      ds->ds0.stencil_pass_depth_fail_op =
+        intel_translate_stencil_op(ctx->Stencil.ZFailFunc[0]);
+      ds->ds0.stencil_pass_depth_pass_op =
+        intel_translate_stencil_op(ctx->Stencil.ZPassFunc[0]);
+      ds->ds1.stencil_write_mask = ctx->Stencil.WriteMask[0];
+      ds->ds1.stencil_test_mask = ctx->Stencil.ValueMask[0];
+
+      if (ctx->Stencil._TestTwoSide) {
+        ds->ds0.bf_stencil_enable = 1;
+        ds->ds0.bf_stencil_func =
+           intel_translate_compare_func(ctx->Stencil.Function[back]);
+        ds->ds0.bf_stencil_fail_op =
+           intel_translate_stencil_op(ctx->Stencil.FailFunc[back]);
+        ds->ds0.bf_stencil_pass_depth_fail_op =
+           intel_translate_stencil_op(ctx->Stencil.ZFailFunc[back]);
+        ds->ds0.bf_stencil_pass_depth_pass_op =
+           intel_translate_stencil_op(ctx->Stencil.ZPassFunc[back]);
+        ds->ds1.bf_stencil_write_mask = ctx->Stencil.WriteMask[back];
+        ds->ds1.bf_stencil_test_mask = ctx->Stencil.ValueMask[back];
       }
 
-      /* Not really sure about this:
-       */
-      if (key->stencil_write_mask[0] ||
-         (key->stencil_two_side && key->stencil_write_mask[1]))
-        ds.ds0.stencil_write_enable = 1;
+      ds->ds0.stencil_write_enable = ctx->Stencil._WriteEnabled;
    }
 
    /* _NEW_DEPTH */
-   if (key->depth_test) {
-      ds.ds2.depth_test_enable = 1;
-      ds.ds2.depth_test_func = intel_translate_compare_func(key->depth_func);
-      ds.ds2.depth_write_enable = key->depth_write;
+   if (ctx->Depth.Test && depth_irb) {
+      ds->ds2.depth_test_enable = ctx->Depth.Test;
+      ds->ds2.depth_test_func = intel_translate_compare_func(ctx->Depth.Func);
+      ds->ds2.depth_write_enable = ctx->Depth.Mask;
    }
 
-   bo = brw_upload_cache(&brw->cache, BRW_DEPTH_STENCIL_STATE,
-                        key, sizeof(*key),
-                        NULL, 0,
-                        &ds, sizeof(ds));
-
-   return bo;
-}
-
-static void
-prepare_depth_stencil_state(struct brw_context *brw)
-{
-   struct brw_depth_stencil_state_key key;
-
-   depth_stencil_state_populate_key(brw, &key);
-
-   dri_bo_unreference(brw->cc.depth_stencil_state_bo);
-   brw->cc.depth_stencil_state_bo = brw_search_cache(&brw->cache,
-                                                    BRW_DEPTH_STENCIL_STATE,
-                                                    &key, sizeof(key),
-                                                    NULL, 0,
-                                                    NULL);
-
-   if (brw->cc.depth_stencil_state_bo == NULL)
-      brw->cc.depth_stencil_state_bo =
-        depth_stencil_state_create_from_key(brw, &key);
+   /* Point the GPU at the new indirect state. */
+   if (brw->gen == 6) {
+      BEGIN_BATCH(4);
+      OUT_BATCH(_3DSTATE_CC_STATE_POINTERS << 16 | (4 - 2));
+      OUT_BATCH(0);
+      OUT_BATCH(brw->cc.depth_stencil_state_offset | 1);
+      OUT_BATCH(0);
+      ADVANCE_BATCH();
+   } else {
+      BEGIN_BATCH(2);
+      OUT_BATCH(_3DSTATE_DEPTH_STENCIL_STATE_POINTERS << 16 | (2 - 2));
+      OUT_BATCH(brw->cc.depth_stencil_state_offset | 1);
+      ADVANCE_BATCH();
+   }
 }
 
 const struct brw_tracked_state gen6_depth_stencil_state = {
    .dirty = {
-      .mesa = _NEW_DEPTH | _NEW_STENCIL,
-      .brw = 0,
+      .mesa = _NEW_DEPTH | _NEW_STENCIL | _NEW_BUFFERS,
+      .brw  = BRW_NEW_BATCH | BRW_NEW_STATE_BASE_ADDRESS,
       .cache = 0,
    },
-   .prepare = prepare_depth_stencil_state,
+   .emit = gen6_upload_depth_stencil_state,
 };