#define _3DSTATE_DRAWING_RECTANGLE 0x7900
#define _3DSTATE_BLEND_CONSTANT_COLOR 0x7901
#define _3DSTATE_CHROMA_KEY 0x7904
-#define _3DSTATE_DEPTH_BUFFER 0x7905
+#define _3DSTATE_DEPTH_BUFFER 0x7905 /* GEN4-6 */
#define _3DSTATE_POLY_STIPPLE_OFFSET 0x7906
#define _3DSTATE_POLY_STIPPLE_PATTERN 0x7907
#define _3DSTATE_LINE_STIPPLE_PATTERN 0x7908
#define _3DSTATE_STENCIL_BUFFER 0x790e /* ILK, SNB */
#define _3DSTATE_HIER_DEPTH_BUFFER 0x790f /* ILK, SNB */
-#define _3DSTATE_CLEAR_PARAMS 0x7910 /* ILK+ */
+#define GEN7_3DSTATE_CLEAR_PARAMS 0x7804
+#define GEN7_3DSTATE_DEPTH_BUFFER 0x7805
+#define GEN7_3DSTATE_STENCIL_BUFFER 0x7806
+#define GEN7_3DSTATE_HIER_DEPTH_BUFFER 0x7807
+
+#define _3DSTATE_CLEAR_PARAMS 0x7910 /* ILK, SNB */
# define DEPTH_CLEAR_VALID (1 << 15)
/* DW1: depth clear value */
--- /dev/null
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "intel_batchbuffer.h"
+#include "intel_regions.h"
+#include "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+
+unsigned int
+gen7_depth_format(struct brw_context *brw)
+{
+ struct intel_region *region = brw->state.depth_region;
+ struct intel_context *intel = &brw->intel;
+
+ if (region == NULL)
+ return BRW_DEPTHFORMAT_D32_FLOAT;
+
+ switch (region->cpp) {
+ case 2:
+ return BRW_DEPTHFORMAT_D16_UNORM;
+ case 4:
+ if (intel->depth_buffer_is_float)
+ return BRW_DEPTHFORMAT_D32_FLOAT;
+ else
+ return BRW_DEPTHFORMAT_D24_UNORM_X8_UINT;
+ default:
+ assert(!"Should not get here.");
+ }
+ return 0;
+}
+
+static void emit_depthbuffer(struct brw_context *brw)
+{
+ struct intel_region *region = brw->state.depth_region;
+ struct intel_context *intel = &brw->intel;
+ struct gl_context *ctx = &intel->ctx;
+
+ if (region == NULL) {
+ BEGIN_BATCH(7);
+ OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
+ OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) |
+ (BRW_SURFACE_NULL << 29));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ } else {
+ assert(region->tiling == I915_TILING_Y);
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
+ OUT_BATCH(((region->pitch * region->cpp) - 1) |
+ (gen7_depth_format(brw) << 18) |
+ (0 << 22) /* no HiZ buffer */ |
+ (0 << 27) /* no stencil write */ |
+ ((ctx->Depth.Mask != 0) << 28) |
+ (BRW_SURFACE_2D << 29));
+ OUT_RELOC(region->buffer,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ 0);
+ OUT_BATCH(((region->width - 1) << 4) | ((region->height - 1) << 18));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+
+ BEGIN_BATCH(4);
+ OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (4 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(4);
+ OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER << 16 | (4 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(3);
+ OUT_BATCH(GEN7_3DSTATE_CLEAR_PARAMS << 16 | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/**
+ * \see brw_context.state.depth_region
+ */
+const struct brw_tracked_state gen7_depthbuffer = {
+ .dirty = {
+ .mesa = 0,
+ .brw = BRW_NEW_DEPTH_BUFFER | BRW_NEW_BATCH,
+ .cache = 0,
+ },
+ .emit = emit_depthbuffer,
+};
projects / mesa.git / commitdiff