Mesa (master): mesa: Pull ir_to_mesa' s sampler number fetcher out to shared code.
Eric Anholt
anholt at kemper.freedesktop.org
Tue Sep 28 18:38:08 UTC 2010
Module: Mesa
Branch: master
Commit: a32893221ce253da7bb465e0ec9d0df5f7208d8f
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a32893221ce253da7bb465e0ec9d0df5f7208d8f
Author: Eric Anholt <eric at anholt.net>
Date: Tue Sep 28 10:43:56 2010 -0700
mesa: Pull ir_to_mesa's sampler number fetcher out to shared code.
---
src/mesa/program/ir_to_mesa.cpp | 90 +------------------------
src/mesa/program/sampler.cpp | 140 +++++++++++++++++++++++++++++++++++++++
src/mesa/program/sampler.h | 29 ++++++++
src/mesa/sources.mak | 3 +-
4 files changed, 175 insertions(+), 87 deletions(-)
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 93b6c30..aa2add4 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -54,6 +54,7 @@ extern "C" {
#include "program/program.h"
#include "program/prog_uniform.h"
#include "program/prog_parameter.h"
+#include "program/sampler.h"
}
static int swizzle_for_size(int size);
@@ -274,8 +275,6 @@ public:
GLboolean try_emit_mad(ir_expression *ir,
int mul_operand);
- int get_sampler_uniform_value(ir_dereference *deref);
-
void *mem_ctx;
};
@@ -1894,89 +1893,6 @@ ir_to_mesa_visitor::visit(ir_call *ir)
this->result = entry->return_reg;
}
-class get_sampler_name : public ir_hierarchical_visitor
-{
-public:
- get_sampler_name(ir_to_mesa_visitor *mesa, ir_dereference *last)
- {
- this->mem_ctx = mesa->mem_ctx;
- this->mesa = mesa;
- this->name = NULL;
- this->offset = 0;
- this->last = last;
- }
-
- virtual ir_visitor_status visit(ir_dereference_variable *ir)
- {
- this->name = ir->var->name;
- return visit_continue;
- }
-
- virtual ir_visitor_status visit_leave(ir_dereference_record *ir)
- {
- this->name = talloc_asprintf(mem_ctx, "%s.%s", name, ir->field);
- return visit_continue;
- }
-
- virtual ir_visitor_status visit_leave(ir_dereference_array *ir)
- {
- ir_constant *index = ir->array_index->as_constant();
- int i;
-
- if (index) {
- i = index->value.i[0];
- } else {
- /* GLSL 1.10 and 1.20 allowed variable sampler array indices,
- * while GLSL 1.30 requires that the array indices be
- * constant integer expressions. We don't expect any driver
- * to actually work with a really variable array index, so
- * all that would work would be an unrolled loop counter that ends
- * up being constant above.
- */
- mesa->shader_program->InfoLog =
- talloc_asprintf_append(mesa->shader_program->InfoLog,
- "warning: Variable sampler array index "
- "unsupported.\nThis feature of the language "
- "was removed in GLSL 1.20 and is unlikely "
- "to be supported for 1.10 in Mesa.\n");
- i = 0;
- }
- if (ir != last) {
- this->name = talloc_asprintf(mem_ctx, "%s[%d]", name, i);
- } else {
- offset = i;
- }
- return visit_continue;
- }
-
- ir_to_mesa_visitor *mesa;
- const char *name;
- void *mem_ctx;
- int offset;
- ir_dereference *last;
-};
-
-int
-ir_to_mesa_visitor::get_sampler_uniform_value(ir_dereference *sampler)
-{
- get_sampler_name getname(this, sampler);
-
- sampler->accept(&getname);
-
- GLint index = _mesa_lookup_parameter_index(prog->Parameters, -1,
- getname.name);
-
- if (index < 0) {
- fail_link(this->shader_program,
- "failed to find sampler named %s.\n", getname.name);
- return 0;
- }
-
- index += getname.offset;
-
- return this->prog->Parameters->ParameterValues[index][0];
-}
-
void
ir_to_mesa_visitor::visit(ir_texture *ir)
{
@@ -2076,7 +1992,9 @@ ir_to_mesa_visitor::visit(ir_texture *ir)
if (ir->shadow_comparitor)
inst->tex_shadow = GL_TRUE;
- inst->sampler = get_sampler_uniform_value(ir->sampler);
+ inst->sampler = _mesa_get_sampler_uniform_value(ir->sampler,
+ this->shader_program,
+ this->prog);
const glsl_type *sampler_type = ir->sampler->type;
diff --git a/src/mesa/program/sampler.cpp b/src/mesa/program/sampler.cpp
new file mode 100644
index 0000000..0e58aef
--- /dev/null
+++ b/src/mesa/program/sampler.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 VMware, Inc. All Rights Reserved.
+ * Copyright © 2010 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 <stdio.h>
+
+extern "C" {
+#include "main/compiler.h"
+#include "main/mtypes.h"
+#include "program/prog_parameter.h"
+#include "ir.h"
+#include "ir_visitor.h"
+#include "glsl_types.h"
+}
+
+static void fail_link(struct gl_shader_program *prog, const char *fmt, ...) PRINTFLIKE(2, 3);
+
+static void fail_link(struct gl_shader_program *prog, const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ prog->InfoLog = talloc_vasprintf_append(prog->InfoLog, fmt, args);
+ va_end(args);
+
+ prog->LinkStatus = GL_FALSE;
+}
+
+class get_sampler_name : public ir_hierarchical_visitor
+{
+public:
+ get_sampler_name(ir_dereference *last,
+ struct gl_shader_program *shader_program)
+ {
+ this->mem_ctx = talloc_new(NULL);
+ this->shader_program = shader_program;
+ this->name = NULL;
+ this->offset = 0;
+ this->last = last;
+ }
+
+ ~get_sampler_name()
+ {
+ talloc_free(this->mem_ctx);
+ }
+
+ virtual ir_visitor_status visit(ir_dereference_variable *ir)
+ {
+ this->name = ir->var->name;
+ return visit_continue;
+ }
+
+ virtual ir_visitor_status visit_leave(ir_dereference_record *ir)
+ {
+ this->name = talloc_asprintf(mem_ctx, "%s.%s", name, ir->field);
+ return visit_continue;
+ }
+
+ virtual ir_visitor_status visit_leave(ir_dereference_array *ir)
+ {
+ ir_constant *index = ir->array_index->as_constant();
+ int i;
+
+ if (index) {
+ i = index->value.i[0];
+ } else {
+ /* GLSL 1.10 and 1.20 allowed variable sampler array indices,
+ * while GLSL 1.30 requires that the array indices be
+ * constant integer expressions. We don't expect any driver
+ * to actually work with a really variable array index, so
+ * all that would work would be an unrolled loop counter that ends
+ * up being constant above.
+ */
+ shader_program->InfoLog =
+ talloc_asprintf_append(shader_program->InfoLog,
+ "warning: Variable sampler array index "
+ "unsupported.\nThis feature of the language "
+ "was removed in GLSL 1.20 and is unlikely "
+ "to be supported for 1.10 in Mesa.\n");
+ i = 0;
+ }
+ if (ir != last) {
+ this->name = talloc_asprintf(mem_ctx, "%s[%d]", name, i);
+ } else {
+ offset = i;
+ }
+ return visit_continue;
+ }
+
+ struct gl_shader_program *shader_program;
+ const char *name;
+ void *mem_ctx;
+ int offset;
+ ir_dereference *last;
+};
+
+extern "C" {
+int
+_mesa_get_sampler_uniform_value(class ir_dereference *sampler,
+ struct gl_shader_program *shader_program,
+ const struct gl_program *prog)
+{
+ get_sampler_name getname(sampler, shader_program);
+
+ sampler->accept(&getname);
+
+ GLint index = _mesa_lookup_parameter_index(prog->Parameters, -1,
+ getname.name);
+
+ if (index < 0) {
+ fail_link(shader_program,
+ "failed to find sampler named %s.\n", getname.name);
+ return 0;
+ }
+
+ index += getname.offset;
+
+ return prog->Parameters->ParameterValues[index][0];
+}
+}
diff --git a/src/mesa/program/sampler.h b/src/mesa/program/sampler.h
new file mode 100644
index 0000000..22467e9
--- /dev/null
+++ b/src/mesa/program/sampler.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 VMware, Inc. All Rights Reserved.
+ * Copyright © 2010 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.
+ */
+
+int
+_mesa_get_sampler_uniform_value(class ir_dereference *sampler,
+ struct gl_shader_program *shader_program,
+ const struct gl_program *prog);
diff --git a/src/mesa/sources.mak b/src/mesa/sources.mak
index 6f6598d..b2be5ba 100644
--- a/src/mesa/sources.mak
+++ b/src/mesa/sources.mak
@@ -250,7 +250,8 @@ PROGRAM_SOURCES = \
program/symbol_table.c
SHADER_CXX_SOURCES = \
- program/ir_to_mesa.cpp
+ program/ir_to_mesa.cpp \
+ program/sampler.cpp
ASM_C_SOURCES = \
x86/common_x86.c \
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