[Mesa-dev] [PATCH 30/30] i965/gs: set up GS state.
Paul Berry
stereotype441 at gmail.com
Tue Aug 20 11:30:45 PDT 2013
---
src/mesa/drivers/dri/i965/Makefile.sources | 1 +
src/mesa/drivers/dri/i965/brw_context.h | 2 +
src/mesa/drivers/dri/i965/brw_defines.h | 7 ++
src/mesa/drivers/dri/i965/brw_state.h | 2 +
src/mesa/drivers/dri/i965/brw_state_upload.c | 2 +
src/mesa/drivers/dri/i965/gen7_disable.c | 33 ------
src/mesa/drivers/dri/i965/gen7_gs_state.c | 162 +++++++++++++++++++++++++++
7 files changed, 176 insertions(+), 33 deletions(-)
create mode 100644 src/mesa/drivers/dri/i965/gen7_gs_state.c
diff --git a/src/mesa/drivers/dri/i965/Makefile.sources b/src/mesa/drivers/dri/i965/Makefile.sources
index 1f3abac..5651ba6 100644
--- a/src/mesa/drivers/dri/i965/Makefile.sources
+++ b/src/mesa/drivers/dri/i965/Makefile.sources
@@ -121,6 +121,7 @@ i965_FILES = \
gen7_blorp.cpp \
gen7_clip_state.c \
gen7_disable.c \
+ gen7_gs_state.c \
gen7_misc_state.c \
gen7_sampler_state.c \
gen7_sf_state.c \
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index b4e1e45..324f513 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1194,6 +1194,8 @@ struct brw_context
/** Offset in the program cache to the GS program */
uint32_t prog_offset;
+ struct brw_push_const_info push_const;
+
uint32_t bind_bo_offset;
} vec4_gs;
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index ec6c854..8762732 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -1331,15 +1331,22 @@ enum brw_message_target {
# define GEN6_GS_FLOATING_POINT_MODE_IEEE_754 (0 << 16)
# define GEN6_GS_FLOATING_POINT_MODE_ALT (1 << 16)
/* DW4 */
+# define GEN7_GS_OUTPUT_VERTEX_SIZE_SHIFT 23
+# define GEN7_GS_OUTPUT_TOPOLOGY_SHIFT 17
# define GEN6_GS_URB_READ_LENGTH_SHIFT 11
# define GEN7_GS_INCLUDE_VERTEX_HANDLES (1 << 10)
# define GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT 4
# define GEN6_GS_DISPATCH_START_GRF_SHIFT 0
/* DW5 */
# define GEN6_GS_MAX_THREADS_SHIFT 25
+# define HSW_GS_MAX_THREADS_SHIFT 24
+# define GEN7_GS_DISPATCH_MODE_SINGLE (0 << 11)
+# define GEN7_GS_DISPATCH_MODE_DUAL_INSTANCE (1 << 11)
+# define GEN7_GS_DISPATCH_MODE_DUAL_OBJECT (2 << 11)
# define GEN6_GS_STATISTICS_ENABLE (1 << 10)
# define GEN6_GS_SO_STATISTICS_ENABLE (1 << 9)
# define GEN6_GS_RENDERING_ENABLE (1 << 8)
+# define GEN7_GS_INCLUDE_PRIMITIVE_ID (1 << 4)
# define GEN7_GS_ENABLE (1 << 0)
/* DW6 */
# define GEN6_GS_REORDER (1 << 30)
diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
index 4bee456..8b40a3c 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -115,6 +115,8 @@ extern const struct brw_tracked_state gen7_depthbuffer;
extern const struct brw_tracked_state gen7_cc_viewport_state_pointer;
extern const struct brw_tracked_state gen7_clip_state;
extern const struct brw_tracked_state gen7_disable_stages;
+extern const struct brw_tracked_state gen7_gs_push_constants;
+extern const struct brw_tracked_state gen7_gs_state;
extern const struct brw_tracked_state gen7_ps_state;
extern const struct brw_tracked_state gen7_push_constant_space;
extern const struct brw_tracked_state gen7_sbe_state;
diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c
index cb00604..fef1c65 100644
--- a/src/mesa/drivers/dri/i965/brw_state_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_state_upload.c
@@ -196,6 +196,7 @@ static const struct brw_tracked_state *gen7_atoms[] =
&gen6_depth_stencil_state, /* must do before cc unit */
&gen6_vs_push_constants, /* Before vs_state */
+ &gen7_gs_push_constants, /* Before gs_state */
&gen6_wm_push_constants, /* Before wm_surfaces and constant_buffer */
/* Surface state setup. Must come before the VS/WM unit. The binding
@@ -219,6 +220,7 @@ static const struct brw_tracked_state *gen7_atoms[] =
&gen7_disable_stages,
&gen7_vs_state,
+ &gen7_gs_state,
&gen7_sol_state,
&gen7_clip_state,
&gen7_sbe_state,
diff --git a/src/mesa/drivers/dri/i965/gen7_disable.c b/src/mesa/drivers/dri/i965/gen7_disable.c
index c9564c6..98d115b 100644
--- a/src/mesa/drivers/dri/i965/gen7_disable.c
+++ b/src/mesa/drivers/dri/i965/gen7_disable.c
@@ -29,39 +29,6 @@
static void
disable_stages(struct brw_context *brw)
{
- assert(!brw->gs.prog_active);
-
- /* Disable the Geometry Shader (GS) Unit */
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(7);
- 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));
- OUT_BATCH(0); /* scratch space base offset */
- OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
- (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) |
- GEN7_GS_INCLUDE_VERTEX_HANDLES |
- (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
- OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
- GEN6_GS_STATISTICS_ENABLE);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_GS << 16 | (2 - 2));
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
/* Disable the HS Unit */
BEGIN_BATCH(7);
OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
diff --git a/src/mesa/drivers/dri/i965/gen7_gs_state.c b/src/mesa/drivers/dri/i965/gen7_gs_state.c
new file mode 100644
index 0000000..1203d0a
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/gen7_gs_state.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright © 2013 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 "brw_context.h"
+#include "brw_defines.h"
+#include "intel_batchbuffer.h"
+
+
+static void
+gen7_upload_gs_push_constants(struct brw_context *brw)
+{
+ /* BRW_NEW_GEOMETRY_PROGRAM */
+ const struct brw_geometry_program *vp =
+ (struct brw_geometry_program *) brw->geometry_program;
+ if (!vp)
+ return;
+
+ /* CACHE_NEW_VEC4_GS_PROG */
+ const struct brw_vec4_prog_data *prog_data = &brw->vec4_gs.prog_data->base;
+ struct brw_push_const_info *const_info = &brw->vec4_gs.push_const;
+
+ gen6_upload_vec4_push_constants(brw, &vp->program.Base, prog_data,
+ const_info, AUB_TRACE_VS_CONSTANTS);
+}
+
+const struct brw_tracked_state gen7_gs_push_constants = {
+ .dirty = {
+ .mesa = _NEW_TRANSFORM | _NEW_PROGRAM_CONSTANTS,
+ .brw = (BRW_NEW_BATCH |
+ BRW_NEW_GEOMETRY_PROGRAM),
+ .cache = CACHE_NEW_VEC4_GS_PROG,
+ },
+ .emit = gen7_upload_gs_push_constants,
+};
+
+static void
+upload_gs_state(struct brw_context *brw)
+{
+ const int max_threads_shift = brw->is_haswell ?
+ HSW_GS_MAX_THREADS_SHIFT : GEN6_GS_MAX_THREADS_SHIFT;
+ /* BRW_NEW_GEOMETRY_PROGRAM */
+ bool active = brw->geometry_program;
+
+ /* BRW_NEW_GS_BINDING_TABLE */
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_GS << 16 | (2 - 2));
+ OUT_BATCH(brw->vec4_gs.bind_bo_offset);
+ ADVANCE_BATCH();
+
+ /* CACHE_NEW_SAMPLER */
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_GS << 16 | (2 - 2));
+ OUT_BATCH(0 /* TODO: brw->vec4_gs.sampler_offset */);
+ ADVANCE_BATCH();
+
+ /* CACHE_NEW_VEC4_GS_PROG */
+ if (!active || brw->vec4_gs.push_const.size == 0) {
+ /* Disable the push constant buffers. */
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ } else {
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
+ OUT_BATCH(brw->vec4_gs.push_const.size);
+ OUT_BATCH(0);
+ /* Pointer to the GS constant buffer. Covered by the set of
+ * state flags from gen6_prepare_wm_contants
+ */
+ OUT_BATCH(brw->vec4_gs.push_const.offset);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+
+ if (active) {
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
+ OUT_BATCH(brw->vec4_gs.prog_offset);
+ OUT_BATCH(((0 /* TODO: ALIGN(brw->vec4_gs.sampler_count, 4)/4 */)
+ << GEN6_GS_SAMPLER_COUNT_SHIFT));
+
+ if (brw->vec4_gs.prog_data->base.total_scratch) {
+ OUT_RELOC(brw->vec4_gs.scratch_bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ ffs(brw->vec4_gs.prog_data->base.total_scratch) - 11);
+ } else {
+ OUT_BATCH(0);
+ }
+
+ OUT_BATCH(((brw->vec4_gs.prog_data->output_vertex_size_hwords * 2 - 1) <<
+ GEN7_GS_OUTPUT_VERTEX_SIZE_SHIFT) |
+ (brw->vec4_gs.prog_data->output_topology <<
+ GEN7_GS_OUTPUT_TOPOLOGY_SHIFT) |
+ (brw->vec4_gs.prog_data->base.urb_read_length <<
+ GEN6_GS_URB_READ_LENGTH_SHIFT) |
+ (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT) |
+ (brw->vec4_gs.prog_data->base.dispatch_grf_start_reg <<
+ GEN6_GS_DISPATCH_START_GRF_SHIFT));
+ OUT_BATCH(((brw->max_gs_threads - 1) << max_threads_shift) |
+ GEN7_GS_DISPATCH_MODE_DUAL_OBJECT |
+ GEN6_GS_STATISTICS_ENABLE |
+ GEN7_GS_ENABLE);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ } else {
+ BEGIN_BATCH(7);
+ 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));
+ OUT_BATCH(0); /* scratch space base offset */
+ OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
+ (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) |
+ GEN7_GS_INCLUDE_VERTEX_HANDLES |
+ (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
+ OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
+ GEN6_GS_STATISTICS_ENABLE);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+}
+
+const struct brw_tracked_state gen7_gs_state = {
+ .dirty = {
+ .mesa = _NEW_PROGRAM_CONSTANTS,
+ .brw = (BRW_NEW_CONTEXT |
+ BRW_NEW_GEOMETRY_PROGRAM |
+ BRW_NEW_GS_BINDING_TABLE |
+ BRW_NEW_BATCH |
+ BRW_NEW_PUSH_CONSTANT_ALLOCATION),
+ .cache = CACHE_NEW_VEC4_GS_PROG | CACHE_NEW_SAMPLER
+ },
+ .emit = upload_gs_state,
+};
--
1.8.3.4
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