- /* _NEW_STENCIL */
- if (key->dsa.stencil[0].enable) {
- cc.cc0.stencil_enable = 1;
- cc.cc0.stencil_func =
- intel_translate_compare_func(key->stencil_func[0]);
- cc.cc0.stencil_fail_op =
- intel_translate_stencil_op(key->stencil_fail_op[0]);
- cc.cc0.stencil_pass_depth_fail_op =
- intel_translate_stencil_op(key->stencil_pass_depth_fail_op[0]);
- cc.cc0.stencil_pass_depth_pass_op =
- intel_translate_stencil_op(key->stencil_pass_depth_pass_op[0]);
- cc.cc1.stencil_ref = key->stencil_ref[0];
- cc.cc1.stencil_write_mask = key->stencil_write_mask[0];
- cc.cc1.stencil_test_mask = key->stencil_test_mask[0];
-
- if (key->stencil_two_side) {
- cc.cc0.bf_stencil_enable = 1;
- cc.cc0.bf_stencil_func =
- intel_translate_compare_func(key->stencil_func[1]);
- cc.cc0.bf_stencil_fail_op =
- intel_translate_stencil_op(key->stencil_fail_op[1]);
- cc.cc0.bf_stencil_pass_depth_fail_op =
- intel_translate_stencil_op(key->stencil_pass_depth_fail_op[1]);
- cc.cc0.bf_stencil_pass_depth_pass_op =
- intel_translate_stencil_op(key->stencil_pass_depth_pass_op[1]);
- cc.cc1.bf_stencil_ref = key->stencil_ref[1];
- cc.cc2.bf_stencil_write_mask = key->stencil_write_mask[1];
- cc.cc2.bf_stencil_test_mask = key->stencil_test_mask[1];
- }
- /* Not really sure about this:
- */
- if (key->stencil_write_mask[0] ||
- (key->stencil_two_side && key->stencil_write_mask[1]))
- cc.cc0.stencil_write_enable = 1;
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+#include "brw_context.h"
+#include "brw_defines.h"
+
+/* XXX: Fixme - include this to get IZ_ defines
+ */
+#include "brw_wm.h"
+
+static unsigned brw_translate_compare_func(unsigned func)
+{
+ switch (func) {
+ case PIPE_FUNC_NEVER:
+ return BRW_COMPAREFUNCTION_NEVER;
+ case PIPE_FUNC_LESS:
+ return BRW_COMPAREFUNCTION_LESS;
+ case PIPE_FUNC_LEQUAL:
+ return BRW_COMPAREFUNCTION_LEQUAL;
+ case PIPE_FUNC_GREATER:
+ return BRW_COMPAREFUNCTION_GREATER;
+ case PIPE_FUNC_GEQUAL:
+ return BRW_COMPAREFUNCTION_GEQUAL;
+ case PIPE_FUNC_NOTEQUAL:
+ return BRW_COMPAREFUNCTION_NOTEQUAL;
+ case PIPE_FUNC_EQUAL:
+ return BRW_COMPAREFUNCTION_EQUAL;
+ case PIPE_FUNC_ALWAYS:
+ return BRW_COMPAREFUNCTION_ALWAYS;
+ default:
+ assert(0);
+ return BRW_COMPAREFUNCTION_ALWAYS;
}
+}
+
+static unsigned translate_stencil_op(unsigned op)
+{
+ switch (op) {
+ case PIPE_STENCIL_OP_KEEP:
+ return BRW_STENCILOP_KEEP;
+ case PIPE_STENCIL_OP_ZERO:
+ return BRW_STENCILOP_ZERO;
+ case PIPE_STENCIL_OP_REPLACE:
+ return BRW_STENCILOP_REPLACE;
+ case PIPE_STENCIL_OP_INCR:
+ return BRW_STENCILOP_INCRSAT;
+ case PIPE_STENCIL_OP_DECR:
+ return BRW_STENCILOP_DECRSAT;
+ case PIPE_STENCIL_OP_INCR_WRAP:
+ return BRW_STENCILOP_INCR;
+ case PIPE_STENCIL_OP_DECR_WRAP:
+ return BRW_STENCILOP_DECR;
+ case PIPE_STENCIL_OP_INVERT:
+ return BRW_STENCILOP_INVERT;
+ default:
+ assert(0);
+ return BRW_STENCILOP_ZERO;
+ }
+}
+
+static void create_bcc_state( struct brw_depth_stencil_state *zstencil,
+ const struct pipe_depth_stencil_alpha_state *templ )
+{
+ if (templ->stencil[0].enabled) {
+ zstencil->cc0.stencil_enable = 1;
+ zstencil->cc0.stencil_func =
+ brw_translate_compare_func(templ->stencil[0].func);
+ zstencil->cc0.stencil_fail_op =
+ translate_stencil_op(templ->stencil[0].fail_op);
+ zstencil->cc0.stencil_pass_depth_fail_op =
+ translate_stencil_op(templ->stencil[0].zfail_op);
+ zstencil->cc0.stencil_pass_depth_pass_op =
+ translate_stencil_op(templ->stencil[0].zpass_op);
+ zstencil->cc1.stencil_write_mask = templ->stencil[0].writemask;
+ zstencil->cc1.stencil_test_mask = templ->stencil[0].valuemask;
+ if (templ->stencil[1].enabled) {
+ zstencil->cc0.bf_stencil_enable = 1;
+ zstencil->cc0.bf_stencil_func =
+ brw_translate_compare_func(templ->stencil[1].func);
+ zstencil->cc0.bf_stencil_fail_op =
+ translate_stencil_op(templ->stencil[1].fail_op);
+ zstencil->cc0.bf_stencil_pass_depth_fail_op =
+ translate_stencil_op(templ->stencil[1].zfail_op);
+ zstencil->cc0.bf_stencil_pass_depth_pass_op =
+ translate_stencil_op(templ->stencil[1].zpass_op);
+ zstencil->cc2.bf_stencil_write_mask = templ->stencil[1].writemask;
+ zstencil->cc2.bf_stencil_test_mask = templ->stencil[1].valuemask;
+ }
+
+ zstencil->cc0.stencil_write_enable = (zstencil->cc1.stencil_write_mask ||
+ zstencil->cc2.bf_stencil_write_mask);
+ }
- if (key->alpha_enabled) {
- cc.cc3.alpha_test = 1;
- cc.cc3.alpha_test_func = intel_translate_compare_func(key->alpha_func);
- cc.cc3.alpha_test_format = BRW_ALPHATEST_FORMAT_UNORM8;
- UNCLAMPED_FLOAT_TO_UBYTE(cc.cc7.alpha_ref.ub[0], key->alpha_ref);
+ if (templ->alpha.enabled) {
+ zstencil->cc3.alpha_test = 1;
+ zstencil->cc3.alpha_test_func = brw_translate_compare_func(templ->alpha.func);
+ zstencil->cc3.alpha_test_format = BRW_ALPHATEST_FORMAT_UNORM8;
+ zstencil->cc7.alpha_ref.ub[0] = float_to_ubyte(templ->alpha.ref_value);
}
- /* _NEW_DEPTH */
- if (key->depth_test) {
- cc.cc2.depth_test = 1;
- cc.cc2.depth_test_function = intel_translate_compare_func(key->depth_func);
- cc.cc2.depth_write_enable = key->depth_write;
+ if (templ->depth.enabled) {
+ zstencil->cc2.depth_test = 1;
+ zstencil->cc2.depth_test_function = brw_translate_compare_func(templ->depth.func);
+ zstencil->cc2.depth_write_enable = templ->depth.writemask;
}
+}
+
+static void create_wm_iz_state( struct brw_depth_stencil_state *zstencil )
+{
+ if (zstencil->cc3.alpha_test)
+ zstencil->iz_lookup |= IZ_PS_KILL_ALPHATEST_BIT;
+
+ if (zstencil->cc2.depth_test)
+ zstencil->iz_lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
+
+ if (zstencil->cc2.depth_write_enable)
+ zstencil->iz_lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
+
+ if (zstencil->cc0.stencil_enable)
+ zstencil->iz_lookup |= IZ_STENCIL_TEST_ENABLE_BIT;
+
+ if (zstencil->cc0.stencil_write_enable)
+ zstencil->iz_lookup |= IZ_STENCIL_WRITE_ENABLE_BIT;
+
+}
+
+
+static void *
+brw_create_depth_stencil_state( struct pipe_context *pipe,
+ const struct pipe_depth_stencil_alpha_state *templ )
+{
+ struct brw_depth_stencil_state *zstencil = CALLOC_STRUCT(brw_depth_stencil_state);
+
+ create_bcc_state( zstencil, templ );
+ create_wm_iz_state( zstencil );
+
+ return (void *)zstencil;
+}
+
+
+static void brw_bind_depth_stencil_state(struct pipe_context *pipe,
+ void *cso)
+{
+ struct brw_context *brw = brw_context(pipe);
+ brw->curr.zstencil = (const struct brw_depth_stencil_state *)cso;
+ brw->state.dirty.mesa |= PIPE_NEW_DEPTH_STENCIL_ALPHA;
+}
+
+static void brw_delete_depth_stencil_state(struct pipe_context *pipe,
+ void *cso)
+{
+ struct brw_context *brw = brw_context(pipe);
+ assert((const void *)cso != (const void *)brw->curr.zstencil);
+ FREE(cso);
+}
+
+static void brw_set_stencil_ref(struct pipe_context *pipe,
+ const struct pipe_stencil_ref *stencil_ref)
+{
+ struct brw_context *brw = brw_context(pipe);
+ brw->curr.cc1_stencil_ref.stencil_ref = stencil_ref->ref_value[0];
+ brw->curr.cc1_stencil_ref.bf_stencil_ref = stencil_ref->ref_value[1];
+
+ brw->state.dirty.mesa |= PIPE_NEW_DEPTH_STENCIL_ALPHA;
+}
+
+static void
+brw_set_sample_mask(struct pipe_context *pipe,
+ unsigned sample_mask)
+{
+}
+
+void brw_pipe_depth_stencil_init( struct brw_context *brw )
+{
+ brw->base.set_stencil_ref = brw_set_stencil_ref;
+ brw->base.create_depth_stencil_alpha_state = brw_create_depth_stencil_state;
+ brw->base.bind_depth_stencil_alpha_state = brw_bind_depth_stencil_state;
+ brw->base.delete_depth_stencil_alpha_state = brw_delete_depth_stencil_state;
+ brw->base.set_sample_mask = brw_set_sample_mask;
+}
+
+void brw_pipe_depth_stencil_cleanup( struct brw_context *brw )
+{
+}
projects / mesa.git / blobdiff