[Mesa-dev] [RFC 18/27] i965/fs: Split LIR emission ouf of ir-visitor
Topi Pohjolainen
topi.pohjolainen at intel.com
Sat Feb 22 01:05:44 PST 2014
Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
---
src/mesa/drivers/dri/i965/Makefile.sources | 1 +
src/mesa/drivers/dri/i965/brw_fs.cpp | 44 ----------
src/mesa/drivers/dri/i965/brw_fs.h | 55 ++++++++-----
src/mesa/drivers/dri/i965/brw_fs_emitter.cpp | 119 +++++++++++++++++++++++++++
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 39 +--------
5 files changed, 156 insertions(+), 102 deletions(-)
create mode 100644 src/mesa/drivers/dri/i965/brw_fs_emitter.cpp
diff --git a/src/mesa/drivers/dri/i965/Makefile.sources b/src/mesa/drivers/dri/i965/Makefile.sources
index dc30eb3..cea8cb8 100644
--- a/src/mesa/drivers/dri/i965/Makefile.sources
+++ b/src/mesa/drivers/dri/i965/Makefile.sources
@@ -67,6 +67,7 @@ i965_FILES = \
brw_fs_sel_peephole.cpp \
brw_fs_vector_splitting.cpp \
brw_fs_visitor.cpp \
+ brw_fs_emitter.cpp \
brw_gs.c \
brw_gs_emit.c \
brw_gs_state.c \
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index bad3333..955894c 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -645,50 +645,6 @@ fs_visitor::emit_shader_time_write(enum shader_time_shader_type type,
fs_reg(), payload, offset, value));
}
-fs_inst *
-fs_visitor::emit(enum opcode opcode)
-{
- return emit(fs_inst(opcode));
-}
-
-fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst)
-{
- return emit(fs_inst(opcode, dst));
-}
-
-fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst, fs_reg src0)
-{
- return emit(fs_inst(opcode, dst, src0));
-}
-
-fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst, fs_reg src0, fs_reg src1)
-{
- return emit(fs_inst(opcode, dst, src0, src1));
-}
-
-fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst,
- fs_reg src0, fs_reg src1, fs_reg src2)
-{
- return emit(fs_inst(opcode, dst, src0, src1, src2));
-}
-
-void
-fs_visitor::push_force_uncompressed()
-{
- force_uncompressed_stack++;
-}
-
-void
-fs_visitor::pop_force_uncompressed()
-{
- force_uncompressed_stack--;
- assert(force_uncompressed_stack >= 0);
-}
-
/**
* Returns true if the instruction has a flag that means it won't
* update an entire destination register.
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index 8427937..abc3666 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -237,12 +237,46 @@ public:
/** @} */
};
+class fs_emitter : public backend_emitter
+{
+public:
+ const unsigned dispatch_width; /**< 8 or 16 */
+
+protected:
+ fs_emitter(struct brw_context *brw,
+ struct brw_wm_compile *c,
+ unsigned dispatch_width);
+
+ fs_inst *emit(enum opcode opcode);
+ fs_inst *emit(enum opcode opcode, fs_reg dst);
+ fs_inst *emit(enum opcode opcode, fs_reg dst, fs_reg src0);
+ fs_inst *emit(enum opcode opcode, fs_reg dst, fs_reg src0, fs_reg src1);
+ fs_inst *emit(enum opcode opcode, fs_reg dst,
+ fs_reg src0, fs_reg src1, fs_reg src2);
+
+ fs_inst *emit(fs_inst inst);
+ fs_inst *emit(fs_inst *inst);
+ void emit(exec_list list);
+
+ void push_force_uncompressed();
+ void pop_force_uncompressed();
+
+ struct brw_wm_compile * const c;
+
+ /** @{ debug annotation info */
+ const char *current_annotation;
+ const void *base_ir;
+ /** @} */
+
+ int force_uncompressed_stack;
+};
+
/**
* The fragment shader front-end.
*
* Translates either GLSL IR or Mesa IR (for ARB_fragment_program) into FS IR.
*/
-class fs_visitor : public backend_visitor, public backend_emitter
+class fs_visitor : public backend_visitor, public fs_emitter
{
public:
@@ -281,17 +315,6 @@ public:
bool can_do_source_mods(fs_inst *inst);
- fs_inst *emit(fs_inst inst);
- fs_inst *emit(fs_inst *inst);
- void emit(exec_list list);
-
- fs_inst *emit(enum opcode opcode);
- fs_inst *emit(enum opcode opcode, fs_reg dst);
- fs_inst *emit(enum opcode opcode, fs_reg dst, fs_reg src0);
- fs_inst *emit(enum opcode opcode, fs_reg dst, fs_reg src0, fs_reg src1);
- fs_inst *emit(enum opcode opcode, fs_reg dst,
- fs_reg src0, fs_reg src1, fs_reg src2);
-
fs_inst *MOV(fs_reg dst, fs_reg src);
fs_inst *NOT(fs_reg dst, fs_reg src);
fs_inst *RNDD(fs_reg dst, fs_reg src);
@@ -379,9 +402,6 @@ public:
void insert_gen4_post_send_dependency_workarounds(fs_inst *inst);
void lower_uniform_pull_constant_loads();
- void push_force_uncompressed();
- void pop_force_uncompressed();
-
void emit_dummy_fs();
fs_reg *emit_fragcoord_interpolation(ir_variable *ir);
fs_inst *emit_linterp(const fs_reg &attr, const fs_reg &interp,
@@ -486,7 +506,6 @@ public:
void visit_atomic_counter_intrinsic(ir_call *ir);
struct gl_fragment_program *fp;
- struct brw_wm_compile *c;
int *param_size;
@@ -524,10 +543,6 @@ public:
int grf_used;
bool spilled_any_registers;
-
- const unsigned dispatch_width; /**< 8 or 16 */
-
- int force_uncompressed_stack;
};
/**
diff --git a/src/mesa/drivers/dri/i965/brw_fs_emitter.cpp b/src/mesa/drivers/dri/i965/brw_fs_emitter.cpp
new file mode 100644
index 0000000..4b143f1
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/brw_fs_emitter.cpp
@@ -0,0 +1,119 @@
+/*
+ * Copyright © 2014 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.
+ */
+
+/** @file brw_fs_emitter.cpp
+ *
+ * This file supports generating the FS LIR. The LIR makes it easier to do
+ * backend-specific optimizations than doing so in the GLSL IR or in the
+ * native code.
+ */
+#include "brw_fs.h"
+
+fs_inst *
+fs_emitter::emit(fs_inst inst)
+{
+ fs_inst *list_inst = new(mem_ctx) fs_inst;
+ *list_inst = inst;
+ emit(list_inst);
+ return list_inst;
+}
+
+fs_inst *
+fs_emitter::emit(fs_inst *inst)
+{
+ if (force_uncompressed_stack > 0)
+ inst->force_uncompressed = true;
+
+ inst->annotation = this->current_annotation;
+ inst->ir = this->base_ir;
+
+ this->instructions.push_tail(inst);
+
+ return inst;
+}
+
+void
+fs_emitter::emit(exec_list list)
+{
+ foreach_list_safe(node, &list) {
+ fs_inst *inst = (fs_inst *)node;
+ inst->remove();
+ emit(inst);
+ }
+}
+
+fs_inst *
+fs_emitter::emit(enum opcode opcode)
+{
+ return emit(fs_inst(opcode));
+}
+
+fs_inst *
+fs_emitter::emit(enum opcode opcode, fs_reg dst)
+{
+ return emit(fs_inst(opcode, dst));
+}
+
+fs_inst *
+fs_emitter::emit(enum opcode opcode, fs_reg dst, fs_reg src0)
+{
+ return emit(fs_inst(opcode, dst, src0));
+}
+
+fs_inst *
+fs_emitter::emit(enum opcode opcode, fs_reg dst, fs_reg src0, fs_reg src1)
+{
+ return emit(fs_inst(opcode, dst, src0, src1));
+}
+
+fs_inst *
+fs_emitter::emit(enum opcode opcode, fs_reg dst,
+ fs_reg src0, fs_reg src1, fs_reg src2)
+{
+ return emit(fs_inst(opcode, dst, src0, src1, src2));
+}
+
+void
+fs_emitter::push_force_uncompressed()
+{
+ force_uncompressed_stack++;
+}
+
+void
+fs_emitter::pop_force_uncompressed()
+{
+ force_uncompressed_stack--;
+ assert(force_uncompressed_stack >= 0);
+}
+
+fs_emitter::fs_emitter(struct brw_context *brw,
+ struct brw_wm_compile *_c,
+ unsigned _dispatch_width)
+ : backend_emitter(brw, "FS", INTEL_DEBUG & DEBUG_WM),
+ dispatch_width(_dispatch_width),
+ c(_c),
+ current_annotation(NULL),
+ base_ir(NULL),
+ force_uncompressed_stack(0)
+{
+}
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 0fadc51..ed19157 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -2436,39 +2436,6 @@ fs_visitor::emit_untyped_surface_read(unsigned surf_index, fs_reg dst,
emit(inst);
}
-fs_inst *
-fs_visitor::emit(fs_inst inst)
-{
- fs_inst *list_inst = new(mem_ctx) fs_inst;
- *list_inst = inst;
- emit(list_inst);
- return list_inst;
-}
-
-fs_inst *
-fs_visitor::emit(fs_inst *inst)
-{
- if (force_uncompressed_stack > 0)
- inst->force_uncompressed = true;
-
- inst->annotation = this->current_annotation;
- inst->ir = this->base_ir;
-
- this->instructions.push_tail(inst);
-
- return inst;
-}
-
-void
-fs_visitor::emit(exec_list list)
-{
- foreach_list_safe(node, &list) {
- fs_inst *inst = (fs_inst *)node;
- inst->remove();
- emit(inst);
- }
-}
-
/** Emits a dummy fragment shader consisting of magenta for bringup purposes. */
void
fs_visitor::emit_dummy_fs()
@@ -2949,10 +2916,8 @@ fs_visitor::fs_visitor(struct brw_context *brw,
unsigned dispatch_width)
: backend_visitor(shader_prog, &fp->Base, &c->prog_data.base,
MESA_SHADER_FRAGMENT),
- backend_emitter(brw, "FS", INTEL_DEBUG & DEBUG_WM),
- dispatch_width(dispatch_width)
+ fs_emitter(brw, c, dispatch_width)
{
- this->c = c;
this->fp = fp;
memset(this->outputs, 0, sizeof(this->outputs));
@@ -2964,8 +2929,6 @@ fs_visitor::fs_visitor(struct brw_context *brw,
this->params_remap = NULL;
this->nr_params_remap = 0;
- this->force_uncompressed_stack = 0;
-
this->spilled_any_registers = false;
this->param_size = rzalloc_array(mem_ctx, int, stage_prog_data->nr_params);
--
1.8.3.1
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