aboutsummaryrefslogtreecommitdiff
path: root/mesalib
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2011-02-04 16:28:55 +0000
committermarha <marha@users.sourceforge.net>2011-02-04 16:28:55 +0000
commit5b7cc430132c47f9e4e84fd1830abc6aead39954 (patch)
tree4e2138ab7310c62b3f877b662d752d7c8c233f00 /mesalib
parent573e5c4f462c3f97697f16388025a8e13469487c (diff)
parent39522c7dc587b335b0e0e00fc68f98e6a7a5c7bd (diff)
downloadvcxsrv-5b7cc430132c47f9e4e84fd1830abc6aead39954.tar.gz
vcxsrv-5b7cc430132c47f9e4e84fd1830abc6aead39954.tar.bz2
vcxsrv-5b7cc430132c47f9e4e84fd1830abc6aead39954.zip
svn merge ^/branches/released .
Diffstat (limited to 'mesalib')
-rw-r--r--mesalib/include/GL/internal/dri_interface.h9
-rw-r--r--mesalib/src/glsl/ast_expr.cpp194
-rw-r--r--mesalib/src/glsl/ast_type.cpp2
-rw-r--r--mesalib/src/glsl/hir_field_selection.cpp2
-rw-r--r--mesalib/src/glsl/ir_print_visitor.cpp3
-rw-r--r--mesalib/src/glsl/ir_validate.cpp3
-rw-r--r--mesalib/src/glsl/lower_mat_op_to_vec.cpp3
-rw-r--r--mesalib/src/glsl/opt_constant_propagation.cpp2
-rw-r--r--mesalib/src/glsl/opt_constant_variable.cpp399
-rw-r--r--mesalib/src/glsl/opt_dead_code.cpp286
-rw-r--r--mesalib/src/glsl/opt_dead_code_local.cpp2
-rw-r--r--mesalib/src/glsl/opt_dead_functions.cpp2
-rw-r--r--mesalib/src/glsl/opt_structure_splitting.cpp3
-rw-r--r--mesalib/src/glsl/opt_swizzle_swizzle.cpp188
-rw-r--r--mesalib/src/glsl/opt_tree_grafting.cpp2
-rw-r--r--mesalib/src/glsl/ralloc.c2
-rw-r--r--mesalib/src/mesa/drivers/dri/common/drisw_util.c45
-rw-r--r--mesalib/src/mesa/drivers/dri/swrast/swrast.c1555
18 files changed, 1427 insertions, 1275 deletions
diff --git a/mesalib/include/GL/internal/dri_interface.h b/mesalib/include/GL/internal/dri_interface.h
index 68212d8df..e4ae1e7e4 100644
--- a/mesalib/include/GL/internal/dri_interface.h
+++ b/mesalib/include/GL/internal/dri_interface.h
@@ -659,7 +659,7 @@ struct __DRIlegacyExtensionRec {
* conjunction with the core extension.
*/
#define __DRI_SWRAST "DRI_SWRast"
-#define __DRI_SWRAST_VERSION 1
+#define __DRI_SWRAST_VERSION 2
struct __DRIswrastExtensionRec {
__DRIextension base;
@@ -672,6 +672,13 @@ struct __DRIswrastExtensionRec {
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
const __DRIconfig *config,
void *loaderPrivate);
+
+ /* Since version 2 */
+ __DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen,
+ int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared,
+ void *data);
};
/**
diff --git a/mesalib/src/glsl/ast_expr.cpp b/mesalib/src/glsl/ast_expr.cpp
index c45d60757..974beb9f6 100644
--- a/mesalib/src/glsl/ast_expr.cpp
+++ b/mesalib/src/glsl/ast_expr.cpp
@@ -1,96 +1,98 @@
-/*
- * 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 <cstdio>
-#include <cassert>
-#include "ast.h"
-
-const char *
-ast_expression::operator_string(enum ast_operators op)
-{
- static const char *const operators[] = {
- "=",
- "+",
- "-",
- "+",
- "-",
- "*",
- "/",
- "%",
- "<<",
- ">>",
- "<",
- ">",
- "<=",
- ">=",
- "==",
- "!=",
- "&",
- "^",
- "|",
- "~",
- "&&",
- "^^",
- "||",
- "!",
-
- "*=",
- "/=",
- "%=",
- "+=",
- "-=",
- "<<=",
- ">>=",
- "&=",
- "^=",
- "|=",
-
- "?:",
-
- "++",
- "--",
- "++",
- "--",
- ".",
- };
-
- assert((unsigned int)op < sizeof(operators) / sizeof(operators[0]));
-
- return operators[op];
-}
-
-
-ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0,
- ast_expression *ex1) :
- ast_expression(oper, ex0, ex1, NULL)
-{
- assert((oper >= ast_plus) && (oper <= ast_logic_not));
-}
-
-
-void
-ast_expression_bin::print(void) const
-{
- subexpressions[0]->print();
- printf("%s ", operator_string(oper));
- subexpressions[1]->print();
-}
+/*
+ * 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 <cstdio>
+#include <cassert>
+#include "ast.h"
+
+using std::printf;
+
+const char *
+ast_expression::operator_string(enum ast_operators op)
+{
+ static const char *const operators[] = {
+ "=",
+ "+",
+ "-",
+ "+",
+ "-",
+ "*",
+ "/",
+ "%",
+ "<<",
+ ">>",
+ "<",
+ ">",
+ "<=",
+ ">=",
+ "==",
+ "!=",
+ "&",
+ "^",
+ "|",
+ "~",
+ "&&",
+ "^^",
+ "||",
+ "!",
+
+ "*=",
+ "/=",
+ "%=",
+ "+=",
+ "-=",
+ "<<=",
+ ">>=",
+ "&=",
+ "^=",
+ "|=",
+
+ "?:",
+
+ "++",
+ "--",
+ "++",
+ "--",
+ ".",
+ };
+
+ assert((unsigned int)op < sizeof(operators) / sizeof(operators[0]));
+
+ return operators[op];
+}
+
+
+ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0,
+ ast_expression *ex1) :
+ ast_expression(oper, ex0, ex1, NULL)
+{
+ assert((oper >= ast_plus) && (oper <= ast_logic_not));
+}
+
+
+void
+ast_expression_bin::print(void) const
+{
+ subexpressions[0]->print();
+ printf("%s ", operator_string(oper));
+ subexpressions[1]->print();
+}
diff --git a/mesalib/src/glsl/ast_type.cpp b/mesalib/src/glsl/ast_type.cpp
index d14077473..5ddfeec87 100644
--- a/mesalib/src/glsl/ast_type.cpp
+++ b/mesalib/src/glsl/ast_type.cpp
@@ -27,6 +27,8 @@ extern "C" {
#include "program/symbol_table.h"
}
+using std::printf;
+
void
ast_type_specifier::print(void) const
{
diff --git a/mesalib/src/glsl/hir_field_selection.cpp b/mesalib/src/glsl/hir_field_selection.cpp
index 3c33127b5..995f284fa 100644
--- a/mesalib/src/glsl/hir_field_selection.cpp
+++ b/mesalib/src/glsl/hir_field_selection.cpp
@@ -27,6 +27,8 @@
#include "ast.h"
#include "glsl_types.h"
+using std::strcmp;
+
ir_rvalue *
_mesa_ast_field_selection_to_hir(const ast_expression *expr,
exec_list *instructions,
diff --git a/mesalib/src/glsl/ir_print_visitor.cpp b/mesalib/src/glsl/ir_print_visitor.cpp
index 82ccc722f..be76945a2 100644
--- a/mesalib/src/glsl/ir_print_visitor.cpp
+++ b/mesalib/src/glsl/ir_print_visitor.cpp
@@ -25,6 +25,9 @@
#include "glsl_types.h"
#include "glsl_parser_extras.h"
+using std::printf;
+using std::strncmp;
+
static void print_type(const glsl_type *t);
void
diff --git a/mesalib/src/glsl/ir_validate.cpp b/mesalib/src/glsl/ir_validate.cpp
index 44d7549ea..b0dd6c21f 100644
--- a/mesalib/src/glsl/ir_validate.cpp
+++ b/mesalib/src/glsl/ir_validate.cpp
@@ -39,6 +39,9 @@
#include "program/hash_table.h"
#include "glsl_types.h"
+using std::abort;
+using std::printf;
+
class ir_validate : public ir_hierarchical_visitor {
public:
ir_validate()
diff --git a/mesalib/src/glsl/lower_mat_op_to_vec.cpp b/mesalib/src/glsl/lower_mat_op_to_vec.cpp
index 8cbbfa713..bdc53a1f8 100644
--- a/mesalib/src/glsl/lower_mat_op_to_vec.cpp
+++ b/mesalib/src/glsl/lower_mat_op_to_vec.cpp
@@ -35,6 +35,9 @@
#include "ir_expression_flattening.h"
#include "glsl_types.h"
+using std::abort;
+using std::printf;
+
class ir_mat_op_to_vec_visitor : public ir_hierarchical_visitor {
public:
ir_mat_op_to_vec_visitor()
diff --git a/mesalib/src/glsl/opt_constant_propagation.cpp b/mesalib/src/glsl/opt_constant_propagation.cpp
index e1f68892f..1fff71753 100644
--- a/mesalib/src/glsl/opt_constant_propagation.cpp
+++ b/mesalib/src/glsl/opt_constant_propagation.cpp
@@ -41,6 +41,8 @@
#include "ir_optimization.h"
#include "glsl_types.h"
+using std::memset;
+
class acp_entry : public exec_node
{
public:
diff --git a/mesalib/src/glsl/opt_constant_variable.cpp b/mesalib/src/glsl/opt_constant_variable.cpp
index fedae851f..1f51da6e4 100644
--- a/mesalib/src/glsl/opt_constant_variable.cpp
+++ b/mesalib/src/glsl/opt_constant_variable.cpp
@@ -1,198 +1,201 @@
-/*
- * 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.
- */
-
-/**
- * \file opt_constant_variable.cpp
- *
- * Marks variables assigned a single constant value over the course
- * of the program as constant.
- *
- * The goal here is to trigger further constant folding and then dead
- * code elimination. This is common with vector/matrix constructors
- * and calls to builtin functions.
- */
-
-#include "ir.h"
-#include "ir_visitor.h"
-#include "ir_optimization.h"
-#include "glsl_types.h"
-
-struct assignment_entry {
- exec_node link;
- int assignment_count;
- ir_variable *var;
- ir_constant *constval;
- bool our_scope;
-};
-
-class ir_constant_variable_visitor : public ir_hierarchical_visitor {
-public:
- virtual ir_visitor_status visit_enter(ir_dereference_variable *);
- virtual ir_visitor_status visit(ir_variable *);
- virtual ir_visitor_status visit_enter(ir_assignment *);
- virtual ir_visitor_status visit_enter(ir_call *);
-
- exec_list list;
-};
-
-static struct assignment_entry *
-get_assignment_entry(ir_variable *var, exec_list *list)
-{
- struct assignment_entry *entry;
-
- foreach_list_typed(struct assignment_entry, entry, link, list) {
- if (entry->var == var)
- return entry;
- }
-
- entry = (struct assignment_entry *)calloc(1, sizeof(*entry));
- entry->var = var;
- list->push_head(&entry->link);
- return entry;
-}
-
-ir_visitor_status
-ir_constant_variable_visitor::visit(ir_variable *ir)
-{
- struct assignment_entry *entry = get_assignment_entry(ir, &this->list);
- entry->our_scope = true;
- return visit_continue;
-}
-
-/* Skip derefs of variables so that we can detect declarations. */
-ir_visitor_status
-ir_constant_variable_visitor::visit_enter(ir_dereference_variable *ir)
-{
- (void)ir;
- return visit_continue_with_parent;
-}
-
-ir_visitor_status
-ir_constant_variable_visitor::visit_enter(ir_assignment *ir)
-{
- ir_constant *constval;
- struct assignment_entry *entry;
-
- entry = get_assignment_entry(ir->lhs->variable_referenced(), &this->list);
- assert(entry);
- entry->assignment_count++;
-
- /* If it's already constant, don't do the work. */
- if (entry->var->constant_value)
- return visit_continue;
-
- /* OK, now find if we actually have all the right conditions for
- * this to be a constant value assigned to the var.
- */
- if (ir->condition) {
- constval = ir->condition->constant_expression_value();
- if (!constval || !constval->value.b[0])
- return visit_continue;
- }
-
- ir_variable *var = ir->whole_variable_written();
- if (!var)
- return visit_continue;
-
- constval = ir->rhs->constant_expression_value();
- if (!constval)
- return visit_continue;
-
- /* Mark this entry as having a constant assignment (if the
- * assignment count doesn't go >1). do_constant_variable will fix
- * up the variable with the constant value later.
- */
- entry->constval = constval;
-
- return visit_continue;
-}
-
-ir_visitor_status
-ir_constant_variable_visitor::visit_enter(ir_call *ir)
-{
- exec_list_iterator sig_iter = ir->get_callee()->parameters.iterator();
- foreach_iter(exec_list_iterator, iter, *ir) {
- ir_rvalue *param_rval = (ir_rvalue *)iter.get();
- ir_variable *param = (ir_variable *)sig_iter.get();
-
- if (param->mode == ir_var_out ||
- param->mode == ir_var_inout) {
- ir_variable *var = param_rval->variable_referenced();
- struct assignment_entry *entry;
-
- assert(var);
- entry = get_assignment_entry(var, &this->list);
- entry->assignment_count++;
- }
- sig_iter.next();
- }
- return visit_continue;
-}
-
-/**
- * Does a copy propagation pass on the code present in the instruction stream.
- */
-bool
-do_constant_variable(exec_list *instructions)
-{
- bool progress = false;
- ir_constant_variable_visitor v;
-
- v.run(instructions);
-
- while (!v.list.is_empty()) {
-
- struct assignment_entry *entry;
- entry = exec_node_data(struct assignment_entry, v.list.head, link);
-
- if (entry->assignment_count == 1 && entry->constval && entry->our_scope) {
- entry->var->constant_value = entry->constval;
- progress = true;
- }
- entry->link.remove();
- free(entry);
- }
-
- return progress;
-}
-
-bool
-do_constant_variable_unlinked(exec_list *instructions)
-{
- bool progress = false;
-
- foreach_iter(exec_list_iterator, iter, *instructions) {
- ir_instruction *ir = (ir_instruction *)iter.get();
- ir_function *f = ir->as_function();
- if (f) {
- foreach_iter(exec_list_iterator, sigiter, *f) {
- ir_function_signature *sig =
- (ir_function_signature *) sigiter.get();
- if (do_constant_variable(&sig->body))
- progress = true;
- }
- }
- }
-
- return progress;
-}
+/*
+ * 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.
+ */
+
+/**
+ * \file opt_constant_variable.cpp
+ *
+ * Marks variables assigned a single constant value over the course
+ * of the program as constant.
+ *
+ * The goal here is to trigger further constant folding and then dead
+ * code elimination. This is common with vector/matrix constructors
+ * and calls to builtin functions.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_optimization.h"
+#include "glsl_types.h"
+
+using std::calloc;
+using std::free;
+
+struct assignment_entry {
+ exec_node link;
+ int assignment_count;
+ ir_variable *var;
+ ir_constant *constval;
+ bool our_scope;
+};
+
+class ir_constant_variable_visitor : public ir_hierarchical_visitor {
+public:
+ virtual ir_visitor_status visit_enter(ir_dereference_variable *);
+ virtual ir_visitor_status visit(ir_variable *);
+ virtual ir_visitor_status visit_enter(ir_assignment *);
+ virtual ir_visitor_status visit_enter(ir_call *);
+
+ exec_list list;
+};
+
+static struct assignment_entry *
+get_assignment_entry(ir_variable *var, exec_list *list)
+{
+ struct assignment_entry *entry;
+
+ foreach_list_typed(struct assignment_entry, entry, link, list) {
+ if (entry->var == var)
+ return entry;
+ }
+
+ entry = (struct assignment_entry *)calloc(1, sizeof(*entry));
+ entry->var = var;
+ list->push_head(&entry->link);
+ return entry;
+}
+
+ir_visitor_status
+ir_constant_variable_visitor::visit(ir_variable *ir)
+{
+ struct assignment_entry *entry = get_assignment_entry(ir, &this->list);
+ entry->our_scope = true;
+ return visit_continue;
+}
+
+/* Skip derefs of variables so that we can detect declarations. */
+ir_visitor_status
+ir_constant_variable_visitor::visit_enter(ir_dereference_variable *ir)
+{
+ (void)ir;
+ return visit_continue_with_parent;
+}
+
+ir_visitor_status
+ir_constant_variable_visitor::visit_enter(ir_assignment *ir)
+{
+ ir_constant *constval;
+ struct assignment_entry *entry;
+
+ entry = get_assignment_entry(ir->lhs->variable_referenced(), &this->list);
+ assert(entry);
+ entry->assignment_count++;
+
+ /* If it's already constant, don't do the work. */
+ if (entry->var->constant_value)
+ return visit_continue;
+
+ /* OK, now find if we actually have all the right conditions for
+ * this to be a constant value assigned to the var.
+ */
+ if (ir->condition) {
+ constval = ir->condition->constant_expression_value();
+ if (!constval || !constval->value.b[0])
+ return visit_continue;
+ }
+
+ ir_variable *var = ir->whole_variable_written();
+ if (!var)
+ return visit_continue;
+
+ constval = ir->rhs->constant_expression_value();
+ if (!constval)
+ return visit_continue;
+
+ /* Mark this entry as having a constant assignment (if the
+ * assignment count doesn't go >1). do_constant_variable will fix
+ * up the variable with the constant value later.
+ */
+ entry->constval = constval;
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_constant_variable_visitor::visit_enter(ir_call *ir)
+{
+ exec_list_iterator sig_iter = ir->get_callee()->parameters.iterator();
+ foreach_iter(exec_list_iterator, iter, *ir) {
+ ir_rvalue *param_rval = (ir_rvalue *)iter.get();
+ ir_variable *param = (ir_variable *)sig_iter.get();
+
+ if (param->mode == ir_var_out ||
+ param->mode == ir_var_inout) {
+ ir_variable *var = param_rval->variable_referenced();
+ struct assignment_entry *entry;
+
+ assert(var);
+ entry = get_assignment_entry(var, &this->list);
+ entry->assignment_count++;
+ }
+ sig_iter.next();
+ }
+ return visit_continue;
+}
+
+/**
+ * Does a copy propagation pass on the code present in the instruction stream.
+ */
+bool
+do_constant_variable(exec_list *instructions)
+{
+ bool progress = false;
+ ir_constant_variable_visitor v;
+
+ v.run(instructions);
+
+ while (!v.list.is_empty()) {
+
+ struct assignment_entry *entry;
+ entry = exec_node_data(struct assignment_entry, v.list.head, link);
+
+ if (entry->assignment_count == 1 && entry->constval && entry->our_scope) {
+ entry->var->constant_value = entry->constval;
+ progress = true;
+ }
+ entry->link.remove();
+ free(entry);
+ }
+
+ return progress;
+}
+
+bool
+do_constant_variable_unlinked(exec_list *instructions)
+{
+ bool progress = false;
+
+ foreach_iter(exec_list_iterator, iter, *instructions) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+ ir_function *f = ir->as_function();
+ if (f) {
+ foreach_iter(exec_list_iterator, sigiter, *f) {
+ ir_function_signature *sig =
+ (ir_function_signature *) sigiter.get();
+ if (do_constant_variable(&sig->body))
+ progress = true;
+ }
+ }
+ }
+
+ return progress;
+}
diff --git a/mesalib/src/glsl/opt_dead_code.cpp b/mesalib/src/glsl/opt_dead_code.cpp
index 492ba73a1..f47b9613e 100644
--- a/mesalib/src/glsl/opt_dead_code.cpp
+++ b/mesalib/src/glsl/opt_dead_code.cpp
@@ -1,142 +1,144 @@
-/*
- * 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.
- */
-
-/**
- * \file opt_dead_code.cpp
- *
- * Eliminates dead assignments and variable declarations from the code.
- */
-
-#include "ir.h"
-#include "ir_visitor.h"
-#include "ir_variable_refcount.h"
-#include "glsl_types.h"
-
-static bool debug = false;
-
-/**
- * Do a dead code pass over instructions and everything that instructions
- * references.
- *
- * Note that this will remove assignments to globals, so it is not suitable
- * for usage on an unlinked instruction stream.
- */
-bool
-do_dead_code(exec_list *instructions)
-{
- ir_variable_refcount_visitor v;
- bool progress = false;
-
- v.run(instructions);
-
- foreach_iter(exec_list_iterator, iter, v.variable_list) {
- variable_entry *entry = (variable_entry *)iter.get();
-
- /* Since each assignment is a reference, the refereneced count must be
- * greater than or equal to the assignment count. If they are equal,
- * then all of the references are assignments, and the variable is
- * dead.
- *
- * Note that if the variable is neither assigned nor referenced, both
- * counts will be zero and will be caught by the equality test.
- */
- assert(entry->referenced_count >= entry->assigned_count);
-
- if (debug) {
- printf("%s@%p: %d refs, %d assigns, %sdeclared in our scope\n",
- entry->var->name, (void *) entry->var,
- entry->referenced_count, entry->assigned_count,
- entry->declaration ? "" : "not ");
- }
-
- if ((entry->referenced_count > entry->assigned_count)
- || !entry->declaration)
- continue;
-
- if (entry->assign) {
- /* Remove a single dead assignment to the variable we found.
- * Don't do so if it's a shader output, though.
- */
- if (entry->var->mode != ir_var_out &&
- entry->var->mode != ir_var_inout &&
- !ir_has_call(entry->assign)) {
- entry->assign->remove();
- progress = true;
-
- if (debug) {
- printf("Removed assignment to %s@%p\n",
- entry->var->name, (void *) entry->var);
- }
- }
- } else {
- /* If there are no assignments or references to the variable left,
- * then we can remove its declaration.
- */
-
- /* uniform initializers are precious, and could get used by another
- * stage.
- */
- if (entry->var->mode == ir_var_uniform &&
- entry->var->constant_value)
- continue;
-
- entry->var->remove();
- progress = true;
-
- if (debug) {
- printf("Removed declaration of %s@%p\n",
- entry->var->name, (void *) entry->var);
- }
- }
- }
-
- return progress;
-}
-
-/**
- * Does a dead code pass on the functions present in the instruction stream.
- *
- * This is suitable for use while the program is not linked, as it will
- * ignore variable declarations (and the assignments to them) for variables
- * with global scope.
- */
-bool
-do_dead_code_unlinked(exec_list *instructions)
-{
- bool progress = false;
-
- foreach_iter(exec_list_iterator, iter, *instructions) {
- ir_instruction *ir = (ir_instruction *)iter.get();
- ir_function *f = ir->as_function();
- if (f) {
- foreach_iter(exec_list_iterator, sigiter, *f) {
- ir_function_signature *sig =
- (ir_function_signature *) sigiter.get();
- if (do_dead_code(&sig->body))
- progress = true;
- }
- }
- }
-
- return progress;
-}
+/*
+ * 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.
+ */
+
+/**
+ * \file opt_dead_code.cpp
+ *
+ * Eliminates dead assignments and variable declarations from the code.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_variable_refcount.h"
+#include "glsl_types.h"
+
+using std::printf;
+
+static bool debug = false;
+
+/**
+ * Do a dead code pass over instructions and everything that instructions
+ * references.
+ *
+ * Note that this will remove assignments to globals, so it is not suitable
+ * for usage on an unlinked instruction stream.
+ */
+bool
+do_dead_code(exec_list *instructions)
+{
+ ir_variable_refcount_visitor v;
+ bool progress = false;
+
+ v.run(instructions);
+
+ foreach_iter(exec_list_iterator, iter, v.variable_list) {
+ variable_entry *entry = (variable_entry *)iter.get();
+
+ /* Since each assignment is a reference, the refereneced count must be
+ * greater than or equal to the assignment count. If they are equal,
+ * then all of the references are assignments, and the variable is
+ * dead.
+ *
+ * Note that if the variable is neither assigned nor referenced, both
+ * counts will be zero and will be caught by the equality test.
+ */
+ assert(entry->referenced_count >= entry->assigned_count);
+
+ if (debug) {
+ printf("%s@%p: %d refs, %d assigns, %sdeclared in our scope\n",
+ entry->var->name, (void *) entry->var,
+ entry->referenced_count, entry->assigned_count,
+ entry->declaration ? "" : "not ");
+ }
+
+ if ((entry->referenced_count > entry->assigned_count)
+ || !entry->declaration)
+ continue;
+
+ if (entry->assign) {
+ /* Remove a single dead assignment to the variable we found.
+ * Don't do so if it's a shader output, though.
+ */
+ if (entry->var->mode != ir_var_out &&
+ entry->var->mode != ir_var_inout &&
+ !ir_has_call(entry->assign)) {
+ entry->assign->remove();
+ progress = true;
+
+ if (debug) {
+ printf("Removed assignment to %s@%p\n",
+ entry->var->name, (void *) entry->var);
+ }
+ }
+ } else {
+ /* If there are no assignments or references to the variable left,
+ * then we can remove its declaration.
+ */
+
+ /* uniform initializers are precious, and could get used by another
+ * stage.
+ */
+ if (entry->var->mode == ir_var_uniform &&
+ entry->var->constant_value)
+ continue;
+
+ entry->var->remove();
+ progress = true;
+
+ if (debug) {
+ printf("Removed declaration of %s@%p\n",
+ entry->var->name, (void *) entry->var);
+ }
+ }
+ }
+
+ return progress;
+}
+
+/**
+ * Does a dead code pass on the functions present in the instruction stream.
+ *
+ * This is suitable for use while the program is not linked, as it will
+ * ignore variable declarations (and the assignments to them) for variables
+ * with global scope.
+ */
+bool
+do_dead_code_unlinked(exec_list *instructions)
+{
+ bool progress = false;
+
+ foreach_iter(exec_list_iterator, iter, *instructions) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+ ir_function *f = ir->as_function();
+ if (f) {
+ foreach_iter(exec_list_iterator, sigiter, *f) {
+ ir_function_signature *sig =
+ (ir_function_signature *) sigiter.get();
+ if (do_dead_code(&sig->body))
+ progress = true;
+ }
+ }
+ }
+
+ return progress;
+}
diff --git a/mesalib/src/glsl/opt_dead_code_local.cpp b/mesalib/src/glsl/opt_dead_code_local.cpp
index 2610b6981..88dcdc251 100644
--- a/mesalib/src/glsl/opt_dead_code_local.cpp
+++ b/mesalib/src/glsl/opt_dead_code_local.cpp
@@ -38,6 +38,8 @@
#include "ir_optimization.h"
#include "glsl_types.h"
+using std::printf;
+
static bool debug = false;
class assignment_entry : public exec_node
diff --git a/mesalib/src/glsl/opt_dead_functions.cpp b/mesalib/src/glsl/opt_dead_functions.cpp
index ceb79080a..d72eb6115 100644
--- a/mesalib/src/glsl/opt_dead_functions.cpp
+++ b/mesalib/src/glsl/opt_dead_functions.cpp
@@ -32,6 +32,8 @@
#include "ir_expression_flattening.h"
#include "glsl_types.h"
+ using std::strcmp;
+
class signature_entry : public exec_node
{
public:
diff --git a/mesalib/src/glsl/opt_structure_splitting.cpp b/mesalib/src/glsl/opt_structure_splitting.cpp
index 014407c0b..8686da06a 100644
--- a/mesalib/src/glsl/opt_structure_splitting.cpp
+++ b/mesalib/src/glsl/opt_structure_splitting.cpp
@@ -38,6 +38,9 @@
#include "ir_rvalue_visitor.h"
#include "glsl_types.h"
+using std::printf;
+using std::strcmp;
+
static bool debug = false;
// XXX using variable_entry2 here to avoid collision (MSVC multiply-defined
diff --git a/mesalib/src/glsl/opt_swizzle_swizzle.cpp b/mesalib/src/glsl/opt_swizzle_swizzle.cpp
index e23655240..8d0e1051d 100644
--- a/mesalib/src/glsl/opt_swizzle_swizzle.cpp
+++ b/mesalib/src/glsl/opt_swizzle_swizzle.cpp
@@ -1,93 +1,95 @@
-/*
- * 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.
- */
-
-/**
- * \file opt_swizzle_swizzle.cpp
- *
- * Eliminates the second swizzle in a swizzle chain.
- */
-
-#include "ir.h"
-#include "ir_visitor.h"
-#include "ir_optimization.h"
-#include "glsl_types.h"
-
-class ir_swizzle_swizzle_visitor : public ir_hierarchical_visitor {
-public:
- ir_swizzle_swizzle_visitor()
- {
- progress = false;
- }
-
- virtual ir_visitor_status visit_enter(ir_swizzle *);
-
- bool progress;
-};
-
-ir_visitor_status
-ir_swizzle_swizzle_visitor::visit_enter(ir_swizzle *ir)
-{
- int mask2[4];
-
- ir_swizzle *swiz2 = ir->val->as_swizzle();
- if (!swiz2)
- return visit_continue;
-
- memset(&mask2, 0, sizeof(mask2));
- if (swiz2->mask.num_components >= 1)
- mask2[0] = swiz2->mask.x;
- if (swiz2->mask.num_components >= 2)
- mask2[1] = swiz2->mask.y;
- if (swiz2->mask.num_components >= 3)
- mask2[2] = swiz2->mask.z;
- if (swiz2->mask.num_components >= 4)
- mask2[3] = swiz2->mask.w;
-
- if (ir->mask.num_components >= 1)
- ir->mask.x = mask2[ir->mask.x];
- if (ir->mask.num_components >= 2)
- ir->mask.y = mask2[ir->mask.y];
- if (ir->mask.num_components >= 3)
- ir->mask.z = mask2[ir->mask.z];
- if (ir->mask.num_components >= 4)
- ir->mask.w = mask2[ir->mask.w];
-
- ir->val = swiz2->val;
-
- this->progress = true;
-
- return visit_continue;
-}
-
-/**
- * Does a copy propagation pass on the code present in the instruction stream.
- */
-bool
-do_swizzle_swizzle(exec_list *instructions)
-{
- ir_swizzle_swizzle_visitor v;
-
- v.run(instructions);
-
- return v.progress;
-}
+/*
+ * 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.
+ */
+
+/**
+ * \file opt_swizzle_swizzle.cpp
+ *
+ * Eliminates the second swizzle in a swizzle chain.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_optimization.h"
+#include "glsl_types.h"
+
+using std::memset;
+
+class ir_swizzle_swizzle_visitor : public ir_hierarchical_visitor {
+public:
+ ir_swizzle_swizzle_visitor()
+ {
+ progress = false;
+ }
+
+ virtual ir_visitor_status visit_enter(ir_swizzle *);
+
+ bool progress;
+};
+
+ir_visitor_status
+ir_swizzle_swizzle_visitor::visit_enter(ir_swizzle *ir)
+{
+ int mask2[4];
+
+ ir_swizzle *swiz2 = ir->val->as_swizzle();
+ if (!swiz2)
+ return visit_continue;
+
+ memset(&mask2, 0, sizeof(mask2));
+ if (swiz2->mask.num_components >= 1)
+ mask2[0] = swiz2->mask.x;
+ if (swiz2->mask.num_components >= 2)
+ mask2[1] = swiz2->mask.y;
+ if (swiz2->mask.num_components >= 3)
+ mask2[2] = swiz2->mask.z;
+ if (swiz2->mask.num_components >= 4)
+ mask2[3] = swiz2->mask.w;
+
+ if (ir->mask.num_components >= 1)
+ ir->mask.x = mask2[ir->mask.x];
+ if (ir->mask.num_components >= 2)
+ ir->mask.y = mask2[ir->mask.y];
+ if (ir->mask.num_components >= 3)
+ ir->mask.z = mask2[ir->mask.z];
+ if (ir->mask.num_components >= 4)
+ ir->mask.w = mask2[ir->mask.w];
+
+ ir->val = swiz2->val;
+
+ this->progress = true;
+
+ return visit_continue;
+}
+
+/**
+ * Does a copy propagation pass on the code present in the instruction stream.
+ */
+bool
+do_swizzle_swizzle(exec_list *instructions)
+{
+ ir_swizzle_swizzle_visitor v;
+
+ v.run(instructions);
+
+ return v.progress;
+}
diff --git a/mesalib/src/glsl/opt_tree_grafting.cpp b/mesalib/src/glsl/opt_tree_grafting.cpp
index 1ef940f9c..a85ba8234 100644
--- a/mesalib/src/glsl/opt_tree_grafting.cpp
+++ b/mesalib/src/glsl/opt_tree_grafting.cpp
@@ -54,6 +54,8 @@
#include "ir_optimization.h"
#include "glsl_types.h"
+using std::printf;
+
static bool debug = false;
class ir_tree_grafting_visitor : public ir_hierarchical_visitor {
diff --git a/mesalib/src/glsl/ralloc.c b/mesalib/src/glsl/ralloc.c
index 3ba5d86cd..6a5eac6b9 100644
--- a/mesalib/src/glsl/ralloc.c
+++ b/mesalib/src/glsl/ralloc.c
@@ -403,6 +403,8 @@ printf_length(const char *fmt, va_list untouched_args)
#endif
assert(size >= 0);
+ va_end(args);
+
return size;
}
diff --git a/mesalib/src/mesa/drivers/dri/common/drisw_util.c b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
index 1529c23b1..1bdb6d893 100644
--- a/mesalib/src/mesa/drivers/dri/common/drisw_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
@@ -121,6 +121,48 @@ driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
return pcp;
}
+static __DRIcontext *
+driCreateNewContextForAPI(__DRIscreen *psp, int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ __DRIcontext *pcp;
+ void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
+ gl_api mesa_api;
+
+ switch (api) {
+ case __DRI_API_OPENGL:
+ mesa_api = API_OPENGL;
+ break;
+ case __DRI_API_GLES:
+ mesa_api = API_OPENGLES;
+ break;
+ case __DRI_API_GLES2:
+ mesa_api = API_OPENGLES2;
+ break;
+ default:
+ return NULL;
+ }
+
+ pcp = CALLOC_STRUCT(__DRIcontextRec);
+ if (!pcp)
+ return NULL;
+
+ pcp->loaderPrivate = data;
+
+ pcp->driScreenPriv = psp;
+ pcp->driDrawablePriv = NULL;
+ pcp->driReadablePriv = NULL;
+
+ if (!driDriverAPI.CreateContext(mesa_api,
+ &config->modes, pcp, shareCtx)) {
+ FREE(pcp);
+ return NULL;
+ }
+
+ return pcp;
+}
+
static void
driDestroyContext(__DRIcontext *pcp)
{
@@ -269,5 +311,6 @@ const __DRIcoreExtension driCoreExtension = {
const __DRIswrastExtension driSWRastExtension = {
{ __DRI_SWRAST, __DRI_SWRAST_VERSION },
driCreateNewScreen,
- driCreateNewDrawable
+ driCreateNewDrawable,
+ driCreateNewContextForAPI
};
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index 1207825a7..508b85e6d 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -1,744 +1,811 @@
-/*
- * Copyright 2008, 2010 George Sapountzis <gsapountzis@gmail.com>
- *
- * 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 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
- * BRIAN PAUL 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.
- */
-
-/*
- * DRI software rasterizer
- *
- * This is the mesa swrast module packaged into a DRI driver structure.
- *
- * The front-buffer is allocated by the loader. The loader provides read/write
- * callbacks for access to the front-buffer. The driver uses a scratch row for
- * front-buffer rendering to avoid repeated calls to the loader.
- *
- * The back-buffer is allocated by the driver and is private.
- */
-
-#ifdef _MSC_VER
-#define WIN32_LEAN_AND_MEAN 1
-#include <windows.h>
-#endif
-
-#include "main/context.h"
-#include "main/extensions.h"
-#include "main/formats.h"
-#include "main/framebuffer.h"
-#include "main/imports.h"
-#include "main/renderbuffer.h"
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/tnl.h"
-#include "tnl/t_context.h"
-#include "tnl/t_pipeline.h"
-#include "vbo/vbo.h"
-#include "drivers/common/driverfuncs.h"
-#include "drivers/common/meta.h"
-#include "utils.h"
-
-#include "main/teximage.h"
-#include "main/texformat.h"
-#include "main/texstate.h"
-
-#include "swrast_priv.h"
-
-
-/**
- * Screen and config-related functions
- */
-
-static void swrastSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
- GLint texture_format, __DRIdrawable *dPriv)
-{
- struct dri_context *dri_ctx;
- int x, y, w, h;
- __DRIscreen *sPriv = dPriv->driScreenPriv;
- struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- uint32_t internalFormat;
- gl_format texFormat;
-
- dri_ctx = pDRICtx->driverPrivate;
-
- internalFormat = (texture_format == __DRI_TEXTURE_FORMAT_RGB ? 3 : 4);
-
- texUnit = _mesa_get_current_tex_unit(&dri_ctx->Base);
- texObj = _mesa_select_tex_object(&dri_ctx->Base, texUnit, target);
- texImage = _mesa_get_tex_image(&dri_ctx->Base, texObj, target, 0);
-
- _mesa_lock_texture(&dri_ctx->Base, texObj);
-
- sPriv->swrast_loader->getDrawableInfo(dPriv, &x, &y, &w, &h, dPriv->loaderPrivate);
-
- if (texture_format == __DRI_TEXTURE_FORMAT_RGB)
- texFormat = MESA_FORMAT_XRGB8888;
- else
- texFormat = MESA_FORMAT_ARGB8888;
-
- _mesa_init_teximage_fields(&dri_ctx->Base, target, texImage,
- w, h, 1, 0, internalFormat, texFormat);
-
- sPriv->swrast_loader->getImage(dPriv, x, y, w, h, (char *)texImage->Data,
- dPriv->loaderPrivate);
-
- _mesa_unlock_texture(&dri_ctx->Base, texObj);
-}
-
-static void swrastSetTexBuffer(__DRIcontext *pDRICtx, GLint target,
- __DRIdrawable *dPriv)
-{
- swrastSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
-}
-
-static const __DRItexBufferExtension swrastTexBufferExtension = {
- { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
- swrastSetTexBuffer,
- swrastSetTexBuffer2,
-};
-
-static const __DRIextension *dri_screen_extensions[] = {
- &swrastTexBufferExtension.base,
- NULL
-};
-
-static __DRIconfig **
-swrastFillInModes(__DRIscreen *psp,
- unsigned pixel_bits, unsigned depth_bits,
- unsigned stencil_bits, GLboolean have_back_buffer)
-{
- __DRIconfig **configs;
- unsigned depth_buffer_factor;
- unsigned back_buffer_factor;
- GLenum fb_format;
- GLenum fb_type;
-
- /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
- * support pageflipping at all.
- */
- static const GLenum back_buffer_modes[] = {
- GLX_NONE, GLX_SWAP_UNDEFINED_OML
- };
-
- uint8_t depth_bits_array[4];
- uint8_t stencil_bits_array[4];
- uint8_t msaa_samples_array[1];
-
- depth_bits_array[0] = 0;
- depth_bits_array[1] = 0;
- depth_bits_array[2] = depth_bits;
- depth_bits_array[3] = depth_bits;
-
- /* Just like with the accumulation buffer, always provide some modes
- * with a stencil buffer.
- */
- stencil_bits_array[0] = 0;
- stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
- stencil_bits_array[2] = 0;
- stencil_bits_array[3] = (stencil_bits == 0) ? 8 : stencil_bits;
-
- msaa_samples_array[0] = 0;
-
- depth_buffer_factor = 4;
- back_buffer_factor = 2;
-
- switch (pixel_bits) {
- case 8:
- fb_format = GL_RGB;
- fb_type = GL_UNSIGNED_BYTE_2_3_3_REV;
- break;
- case 16:
- fb_format = GL_RGB;
- fb_type = GL_UNSIGNED_SHORT_5_6_5;
- break;
- case 24:
- fb_format = GL_BGR;
- fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
- break;
- case 32:
- fb_format = GL_BGRA;
- fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
- break;
- default:
- fprintf(stderr, "[%s:%u] bad depth %d\n", __FUNCTION__, __LINE__,
- pixel_bits);
- return NULL;
- }
-
- configs = driCreateConfigs(fb_format, fb_type,
- depth_bits_array, stencil_bits_array,
- depth_buffer_factor, back_buffer_modes,
- back_buffer_factor, msaa_samples_array, 1,
- GL_TRUE);
- if (configs == NULL) {
- fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __FUNCTION__,
- __LINE__);
- return NULL;
- }
-
- return configs;
-}
-
-static const __DRIconfig **
-dri_init_screen(__DRIscreen * psp)
-{
- __DRIconfig **configs8, **configs16, **configs24, **configs32;
-
- TRACE;
-
- psp->extensions = dri_screen_extensions;
-
- configs8 = swrastFillInModes(psp, 8, 8, 0, 1);
- configs16 = swrastFillInModes(psp, 16, 16, 0, 1);
- configs24 = swrastFillInModes(psp, 24, 24, 8, 1);
- configs32 = swrastFillInModes(psp, 32, 24, 8, 1);
-
- configs16 = driConcatConfigs(configs8, configs16);
- configs24 = driConcatConfigs(configs16, configs24);
- configs32 = driConcatConfigs(configs24, configs32);
-
- return (const __DRIconfig **)configs32;
-}
-
-static void
-dri_destroy_screen(__DRIscreen * sPriv)
-{
- TRACE;
-}
-
-
-/**
- * Framebuffer and renderbuffer-related functions.
- */
-
-static GLuint
-choose_pixel_format(const struct gl_config *v)
-{
- int depth = v->rgbBits;
-
- if (depth == 32
- && v->redMask == 0xff0000
- && v->greenMask == 0x00ff00
- && v->blueMask == 0x0000ff)
- return PF_A8R8G8B8;
- else if (depth == 24
- && v->redMask == 0xff0000
- && v->greenMask == 0x00ff00
- && v->blueMask == 0x0000ff)
- return PF_X8R8G8B8;
- else if (depth == 16
- && v->redMask == 0xf800
- && v->greenMask == 0x07e0
- && v->blueMask == 0x001f)
- return PF_R5G6B5;
- else if (depth == 8
- && v->redMask == 0x07
- && v->greenMask == 0x38
- && v->blueMask == 0xc0)
- return PF_R3G3B2;
-
- _mesa_problem( NULL, "unexpected format in %s", __FUNCTION__ );
- return 0;
-}
-
-static void
-swrast_delete_renderbuffer(struct gl_renderbuffer *rb)
-{
- TRACE;
-
- free(rb->Data);
- free(rb);
-}
-
-/* see bytes_per_line in libGL */
-static INLINE int
-bytes_per_line(unsigned pitch_bits, unsigned mul)
-{
- unsigned mask = mul - 1;
-
- return ((pitch_bits + mask) & ~mask) / 8;
-}
-
-static GLboolean
-swrast_alloc_front_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
- GLenum internalFormat, GLuint width, GLuint height)
-{
- struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
-
- TRACE;
-
- rb->Data = NULL;
- rb->Width = width;
- rb->Height = height;
-
- xrb->pitch = bytes_per_line(width * xrb->bpp, 32);
-
- return GL_TRUE;
-}
-
-static GLboolean
-swrast_alloc_back_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
- GLenum internalFormat, GLuint width, GLuint height)
-{
- struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
-
- TRACE;
-
- free(rb->Data);
-
- swrast_alloc_front_storage(ctx, rb, internalFormat, width, height);
-
- rb->Data = malloc(height * xrb->pitch);
-
- return GL_TRUE;
-}
-
-static struct swrast_renderbuffer *
-swrast_new_renderbuffer(const struct gl_config *visual, GLboolean front)
-{
- struct swrast_renderbuffer *xrb = calloc(1, sizeof *xrb);
- GLuint pixel_format;
-
- TRACE;
-
- if (!xrb)
- return NULL;
-
- _mesa_init_renderbuffer(&xrb->Base, 0);
-
- pixel_format = choose_pixel_format(visual);
-
- xrb->Base.Delete = swrast_delete_renderbuffer;
- if (front) {
- xrb->Base.AllocStorage = swrast_alloc_front_storage;
- swrast_set_span_funcs_front(xrb, pixel_format);
- }
- else {
- xrb->Base.AllocStorage = swrast_alloc_back_storage;
- swrast_set_span_funcs_back(xrb, pixel_format);
- }
-
- switch (pixel_format) {
- case PF_A8R8G8B8:
- xrb->Base.Format = MESA_FORMAT_ARGB8888;
- xrb->Base.InternalFormat = GL_RGBA;
- xrb->Base._BaseFormat = GL_RGBA;
- xrb->Base.DataType = GL_UNSIGNED_BYTE;
- xrb->bpp = 32;
- break;
- case PF_X8R8G8B8:
- xrb->Base.Format = MESA_FORMAT_ARGB8888; /* XXX */
- xrb->Base.InternalFormat = GL_RGB;
- xrb->Base._BaseFormat = GL_RGB;
- xrb->Base.DataType = GL_UNSIGNED_BYTE;
- xrb->bpp = 32;
- break;
- case PF_R5G6B5:
- xrb->Base.Format = MESA_FORMAT_RGB565;
- xrb->Base.InternalFormat = GL_RGB;
- xrb->Base._BaseFormat = GL_RGB;
- xrb->Base.DataType = GL_UNSIGNED_BYTE;
- xrb->bpp = 16;
- break;
- case PF_R3G3B2:
- xrb->Base.Format = MESA_FORMAT_RGB332;
- xrb->Base.InternalFormat = GL_RGB;
- xrb->Base._BaseFormat = GL_RGB;
- xrb->Base.DataType = GL_UNSIGNED_BYTE;
- xrb->bpp = 8;
- break;
- default:
- return NULL;
- }
-
- return xrb;
-}
-
-static GLboolean
-dri_create_buffer(__DRIscreen * sPriv,
- __DRIdrawable * dPriv,
- const struct gl_config * visual, GLboolean isPixmap)
-{
- struct dri_drawable *drawable = NULL;
- struct gl_framebuffer *fb;
- struct swrast_renderbuffer *frontrb, *backrb;
-
- TRACE;
-
- drawable = CALLOC_STRUCT(dri_drawable);
- if (drawable == NULL)
- goto drawable_fail;
-
- dPriv->driverPrivate = drawable;
- drawable->dPriv = dPriv;
-
- drawable->row = malloc(MAX_WIDTH * 4);
- if (drawable->row == NULL)
- goto drawable_fail;
-
- fb = &drawable->Base;
-
- /* basic framebuffer setup */
- _mesa_initialize_window_framebuffer(fb, visual);
-
- /* add front renderbuffer */
- frontrb = swrast_new_renderbuffer(visual, GL_TRUE);
- _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontrb->Base);
-
- /* add back renderbuffer */
- if (visual->doubleBufferMode) {
- backrb = swrast_new_renderbuffer(visual, GL_FALSE);
- _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backrb->Base);
- }
-
- /* add software renderbuffers */
- _mesa_add_soft_renderbuffers(fb,
- GL_FALSE, /* color */
- visual->haveDepthBuffer,
- visual->haveStencilBuffer,
- visual->haveAccumBuffer,
- GL_FALSE, /* alpha */
- GL_FALSE /* aux bufs */);
-
- return GL_TRUE;
-
-drawable_fail:
-
- if (drawable)
- free(drawable->row);
-
- FREE(drawable);
-
- return GL_FALSE;
-}
-
-static void
-dri_destroy_buffer(__DRIdrawable * dPriv)
-{
- TRACE;
-
- if (dPriv) {
- struct dri_drawable *drawable = dri_drawable(dPriv);
- struct gl_framebuffer *fb;
-
- free(drawable->row);
-
- fb = &drawable->Base;
-
- fb->DeletePending = GL_TRUE;
- _mesa_reference_framebuffer(&fb, NULL);
- }
-}
-
-static void
-dri_swap_buffers(__DRIdrawable * dPriv)
-{
- __DRIscreen *sPriv = dPriv->driScreenPriv;
-
- GET_CURRENT_CONTEXT(ctx);
-
- struct dri_drawable *drawable = dri_drawable(dPriv);
- struct gl_framebuffer *fb;
- struct swrast_renderbuffer *frontrb, *backrb;
-
- TRACE;
-
- fb = &drawable->Base;
-
- frontrb =
- swrast_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
- backrb =
- swrast_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
-
- /* check for signle-buffered */
- if (backrb == NULL)
- return;
-
- /* check if swapping currently bound buffer */
- if (ctx && ctx->DrawBuffer == fb) {
- /* flush pending rendering */
- _mesa_notifySwapBuffers(ctx);
- }
-
- sPriv->swrast_loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
- 0, 0,
- frontrb->Base.Width,
- frontrb->Base.Height,
- backrb->Base.Data,
- dPriv->loaderPrivate);
-}
-
-
-/**
- * General device driver functions.
- */
-
-static void
-get_window_size( struct gl_framebuffer *fb, GLsizei *w, GLsizei *h )
-{
- __DRIdrawable *dPriv = swrast_drawable(fb)->dPriv;
- __DRIscreen *sPriv = dPriv->driScreenPriv;
- int x, y;
-
- sPriv->swrast_loader->getDrawableInfo(dPriv,
- &x, &y, w, h,
- dPriv->loaderPrivate);
-}
-
-static void
-swrast_check_and_update_window_size( struct gl_context *ctx, struct gl_framebuffer *fb )
-{
- GLsizei width, height;
-
- get_window_size(fb, &width, &height);
- if (fb->Width != width || fb->Height != height) {
- _mesa_resize_framebuffer(ctx, fb, width, height);
- }
-}
-
-static const GLubyte *
-get_string(struct gl_context *ctx, GLenum pname)
-{
- (void) ctx;
- switch (pname) {
- case GL_VENDOR:
- return (const GLubyte *) "Mesa Project";
- case GL_RENDERER:
- return (const GLubyte *) "Software Rasterizer";
- default:
- return NULL;
- }
-}
-
-static void
-update_state( struct gl_context *ctx, GLuint new_state )
-{
- /* not much to do here - pass it on */
- _swrast_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
- _vbo_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
-}
-
-static void
-viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
-{
- struct gl_framebuffer *draw = ctx->WinSysDrawBuffer;
- struct gl_framebuffer *read = ctx->WinSysReadBuffer;
-
- swrast_check_and_update_window_size(ctx, draw);
- swrast_check_and_update_window_size(ctx, read);
-}
-
-static gl_format swrastChooseTextureFormat(struct gl_context * ctx,
- GLint internalFormat,
- GLenum format,
- GLenum type)
-{
- if (internalFormat == GL_RGB)
- return MESA_FORMAT_XRGB8888;
- return _mesa_choose_tex_format(ctx, internalFormat, format, type);
-}
-
-static void
-swrast_init_driver_functions(struct dd_function_table *driver)
-{
- driver->GetString = get_string;
- driver->UpdateState = update_state;
- driver->GetBufferSize = NULL;
- driver->Viewport = viewport;
- driver->ChooseTextureFormat = swrastChooseTextureFormat;
-}
-
-
-/**
- * Context-related functions.
- */
-
-static GLboolean
-dri_create_context(gl_api api,
- const struct gl_config * visual,
- __DRIcontext * cPriv, void *sharedContextPrivate)
-{
- struct dri_context *ctx = NULL;
- struct dri_context *share = (struct dri_context *)sharedContextPrivate;
- struct gl_context *mesaCtx = NULL;
- struct gl_context *sharedCtx = NULL;
- struct dd_function_table functions;
-
- TRACE;
-
- ctx = CALLOC_STRUCT(dri_context);
- if (ctx == NULL)
- goto context_fail;
-
- cPriv->driverPrivate = ctx;
- ctx->cPriv = cPriv;
-
- /* build table of device driver functions */
- _mesa_init_driver_functions(&functions);
- swrast_init_driver_functions(&functions);
-
- if (share) {
- sharedCtx = &share->Base;
- }
-
- mesaCtx = &ctx->Base;
-
- /* basic context setup */
- if (!_mesa_initialize_context(mesaCtx, visual, sharedCtx, &functions, (void *) cPriv)) {
- goto context_fail;
- }
-
- /* do bounds checking to prevent segfaults and server crashes! */
- mesaCtx->Const.CheckArrayBounds = GL_TRUE;
-
- /* create module contexts */
- _swrast_CreateContext( mesaCtx );
- _vbo_CreateContext( mesaCtx );
- _tnl_CreateContext( mesaCtx );
- _swsetup_CreateContext( mesaCtx );
- _swsetup_Wakeup( mesaCtx );
-
- /* use default TCL pipeline */
- {
- TNLcontext *tnl = TNL_CONTEXT(mesaCtx);
- tnl->Driver.RunPipeline = _tnl_run_pipeline;
- }
-
- _mesa_enable_sw_extensions(mesaCtx);
- _mesa_enable_1_3_extensions(mesaCtx);
- _mesa_enable_1_4_extensions(mesaCtx);
- _mesa_enable_1_5_extensions(mesaCtx);
- _mesa_enable_2_0_extensions(mesaCtx);
- _mesa_enable_2_1_extensions(mesaCtx);
-
- _mesa_meta_init(mesaCtx);
-
- driInitExtensions( mesaCtx, NULL, GL_FALSE );
-
- return GL_TRUE;
-
-context_fail:
-
- FREE(ctx);
-
- return GL_FALSE;
-}
-
-static void
-dri_destroy_context(__DRIcontext * cPriv)
-{
- TRACE;
-
- if (cPriv) {
- struct dri_context *ctx = dri_context(cPriv);
- struct gl_context *mesaCtx;
-
- mesaCtx = &ctx->Base;
-
- _mesa_meta_free(mesaCtx);
- _swsetup_DestroyContext( mesaCtx );
- _swrast_DestroyContext( mesaCtx );
- _tnl_DestroyContext( mesaCtx );
- _vbo_DestroyContext( mesaCtx );
- _mesa_destroy_context( mesaCtx );
- }
-}
-
-static GLboolean
-dri_make_current(__DRIcontext * cPriv,
- __DRIdrawable * driDrawPriv,
- __DRIdrawable * driReadPriv)
-{
- struct gl_context *mesaCtx;
- struct gl_framebuffer *mesaDraw;
- struct gl_framebuffer *mesaRead;
- TRACE;
-
- if (cPriv) {
- struct dri_context *ctx = dri_context(cPriv);
- struct dri_drawable *draw;
- struct dri_drawable *read;
-
- if (!driDrawPriv || !driReadPriv)
- return GL_FALSE;
-
- draw = dri_drawable(driDrawPriv);
- read = dri_drawable(driReadPriv);
- mesaCtx = &ctx->Base;
- mesaDraw = &draw->Base;
- mesaRead = &read->Base;
-
- /* check for same context and buffer */
- if (mesaCtx == _mesa_get_current_context()
- && mesaCtx->DrawBuffer == mesaDraw
- && mesaCtx->ReadBuffer == mesaRead) {
- return GL_TRUE;
- }
-
- _glapi_check_multithread();
-
- swrast_check_and_update_window_size(mesaCtx, mesaDraw);
- if (mesaRead != mesaDraw)
- swrast_check_and_update_window_size(mesaCtx, mesaRead);
-
- _mesa_make_current( mesaCtx,
- mesaDraw,
- mesaRead );
- }
- else {
- /* unbind */
- _mesa_make_current( NULL, NULL, NULL );
- }
-
- return GL_TRUE;
-}
-
-static GLboolean
-dri_unbind_context(__DRIcontext * cPriv)
-{
- TRACE;
- (void) cPriv;
-
- /* Unset current context and dispath table */
- _mesa_make_current(NULL, NULL, NULL);
-
- return GL_TRUE;
-}
-
-
-const struct __DriverAPIRec driDriverAPI = {
- /*.InitScreen = */dri_init_screen,
- /*.DestroyScreen = */dri_destroy_screen,
- /*.CreateContext = */dri_create_context,
- /*.DestroyContext = */dri_destroy_context,
- /*.CreateBuffer = */dri_create_buffer,
- /*.DestroyBuffer = */dri_destroy_buffer,
- /*.SwapBuffers = */dri_swap_buffers,
- /*.MakeCurrent = */dri_make_current,
- /*.UnbindContext = */dri_unbind_context,
-};
-
-/* This is the table of extensions that the loader will dlsym() for. */
-PUBLIC const __DRIextension *__driDriverExtensions[] = {
- &driCoreExtension.base,
- &driSWRastExtension.base,
- NULL
-};
+/*
+ * Copyright 2008, 2010 George Sapountzis <gsapountzis@gmail.com>
+ *
+ * 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 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
+ * BRIAN PAUL 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.
+ */
+
+/*
+ * DRI software rasterizer
+ *
+ * This is the mesa swrast module packaged into a DRI driver structure.
+ *
+ * The front-buffer is allocated by the loader. The loader provides read/write
+ * callbacks for access to the front-buffer. The driver uses a scratch row for
+ * front-buffer rendering to avoid repeated calls to the loader.
+ *
+ * The back-buffer is allocated by the driver and is private.
+ */
+
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN 1
+#include <windows.h>
+#endif
+
+#include "main/context.h"
+#include "main/extensions.h"
+#include "main/formats.h"
+#include "main/framebuffer.h"
+#include "main/imports.h"
+#include "main/renderbuffer.h"
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+#include "vbo/vbo.h"
+#include "drivers/common/driverfuncs.h"
+#include "drivers/common/meta.h"
+#include "utils.h"
+
+#include "main/teximage.h"
+#include "main/texformat.h"
+#include "main/texstate.h"
+
+#include "swrast_priv.h"
+
+
+/**
+ * Screen and config-related functions
+ */
+
+static void swrastSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
+ GLint texture_format, __DRIdrawable *dPriv)
+{
+ struct dri_context *dri_ctx;
+ int x, y, w, h;
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ uint32_t internalFormat;
+ gl_format texFormat;
+
+ dri_ctx = pDRICtx->driverPrivate;
+
+ internalFormat = (texture_format == __DRI_TEXTURE_FORMAT_RGB ? 3 : 4);
+
+ texUnit = _mesa_get_current_tex_unit(&dri_ctx->Base);
+ texObj = _mesa_select_tex_object(&dri_ctx->Base, texUnit, target);
+ texImage = _mesa_get_tex_image(&dri_ctx->Base, texObj, target, 0);
+
+ _mesa_lock_texture(&dri_ctx->Base, texObj);
+
+ sPriv->swrast_loader->getDrawableInfo(dPriv, &x, &y, &w, &h, dPriv->loaderPrivate);
+
+ if (texture_format == __DRI_TEXTURE_FORMAT_RGB)
+ texFormat = MESA_FORMAT_XRGB8888;
+ else
+ texFormat = MESA_FORMAT_ARGB8888;
+
+ _mesa_init_teximage_fields(&dri_ctx->Base, target, texImage,
+ w, h, 1, 0, internalFormat, texFormat);
+
+ sPriv->swrast_loader->getImage(dPriv, x, y, w, h, (char *)texImage->Data,
+ dPriv->loaderPrivate);
+
+ _mesa_unlock_texture(&dri_ctx->Base, texObj);
+}
+
+static void swrastSetTexBuffer(__DRIcontext *pDRICtx, GLint target,
+ __DRIdrawable *dPriv)
+{
+ swrastSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
+}
+
+static const __DRItexBufferExtension swrastTexBufferExtension = {
+ { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
+ swrastSetTexBuffer,
+ swrastSetTexBuffer2,
+};
+
+static const __DRIextension *dri_screen_extensions[] = {
+ &swrastTexBufferExtension.base,
+ NULL
+};
+
+static __DRIconfig **
+swrastFillInModes(__DRIscreen *psp,
+ unsigned pixel_bits, unsigned depth_bits,
+ unsigned stencil_bits, GLboolean have_back_buffer)
+{
+ __DRIconfig **configs;
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ GLenum fb_format;
+ GLenum fb_type;
+
+ /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
+ * support pageflipping at all.
+ */
+ static const GLenum back_buffer_modes[] = {
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML
+ };
+
+ uint8_t depth_bits_array[4];
+ uint8_t stencil_bits_array[4];
+ uint8_t msaa_samples_array[1];
+
+ depth_bits_array[0] = 0;
+ depth_bits_array[1] = 0;
+ depth_bits_array[2] = depth_bits;
+ depth_bits_array[3] = depth_bits;
+
+ /* Just like with the accumulation buffer, always provide some modes
+ * with a stencil buffer.
+ */
+ stencil_bits_array[0] = 0;
+ stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
+ stencil_bits_array[2] = 0;
+ stencil_bits_array[3] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+ msaa_samples_array[0] = 0;
+
+ depth_buffer_factor = 4;
+ back_buffer_factor = 2;
+
+ switch (pixel_bits) {
+ case 8:
+ fb_format = GL_RGB;
+ fb_type = GL_UNSIGNED_BYTE_2_3_3_REV;
+ break;
+ case 16:
+ fb_format = GL_RGB;
+ fb_type = GL_UNSIGNED_SHORT_5_6_5;
+ break;
+ case 24:
+ fb_format = GL_BGR;
+ fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+ break;
+ case 32:
+ fb_format = GL_BGRA;
+ fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+ break;
+ default:
+ fprintf(stderr, "[%s:%u] bad depth %d\n", __FUNCTION__, __LINE__,
+ pixel_bits);
+ return NULL;
+ }
+
+ configs = driCreateConfigs(fb_format, fb_type,
+ depth_bits_array, stencil_bits_array,
+ depth_buffer_factor, back_buffer_modes,
+ back_buffer_factor, msaa_samples_array, 1,
+ GL_TRUE);
+ if (configs == NULL) {
+ fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __FUNCTION__,
+ __LINE__);
+ return NULL;
+ }
+
+ return configs;
+}
+
+static const __DRIconfig **
+dri_init_screen(__DRIscreen * psp)
+{
+ __DRIconfig **configs8, **configs16, **configs24, **configs32;
+
+ TRACE;
+
+ psp->extensions = dri_screen_extensions;
+
+ configs8 = swrastFillInModes(psp, 8, 8, 0, 1);
+ configs16 = swrastFillInModes(psp, 16, 16, 0, 1);
+ configs24 = swrastFillInModes(psp, 24, 24, 8, 1);
+ configs32 = swrastFillInModes(psp, 32, 24, 8, 1);
+
+ configs16 = driConcatConfigs(configs8, configs16);
+ configs24 = driConcatConfigs(configs16, configs24);
+ configs32 = driConcatConfigs(configs24, configs32);
+
+ return (const __DRIconfig **)configs32;
+}
+
+static void
+dri_destroy_screen(__DRIscreen * sPriv)
+{
+ TRACE;
+}
+
+
+/**
+ * Framebuffer and renderbuffer-related functions.
+ */
+
+static GLuint
+choose_pixel_format(const struct gl_config *v)
+{
+ int depth = v->rgbBits;
+
+ if (depth == 32
+ && v->redMask == 0xff0000
+ && v->greenMask == 0x00ff00
+ && v->blueMask == 0x0000ff)
+ return PF_A8R8G8B8;
+ else if (depth == 24
+ && v->redMask == 0xff0000
+ && v->greenMask == 0x00ff00
+ && v->blueMask == 0x0000ff)
+ return PF_X8R8G8B8;
+ else if (depth == 16
+ && v->redMask == 0xf800
+ && v->greenMask == 0x07e0
+ && v->blueMask == 0x001f)
+ return PF_R5G6B5;
+ else if (depth == 8
+ && v->redMask == 0x07
+ && v->greenMask == 0x38
+ && v->blueMask == 0xc0)
+ return PF_R3G3B2;
+
+ _mesa_problem( NULL, "unexpected format in %s", __FUNCTION__ );
+ return 0;
+}
+
+static void
+swrast_delete_renderbuffer(struct gl_renderbuffer *rb)
+{
+ TRACE;
+
+ free(rb->Data);
+ free(rb);
+}
+
+/* see bytes_per_line in libGL */
+static INLINE int
+bytes_per_line(unsigned pitch_bits, unsigned mul)
+{
+ unsigned mask = mul - 1;
+
+ return ((pitch_bits + mask) & ~mask) / 8;
+}
+
+static GLboolean
+swrast_alloc_front_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat, GLuint width, GLuint height)
+{
+ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
+
+ TRACE;
+
+ rb->Data = NULL;
+ rb->Width = width;
+ rb->Height = height;
+
+ xrb->pitch = bytes_per_line(width * xrb->bpp, 32);
+
+ return GL_TRUE;
+}
+
+static GLboolean
+swrast_alloc_back_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat, GLuint width, GLuint height)
+{
+ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
+
+ TRACE;
+
+ free(rb->Data);
+
+ swrast_alloc_front_storage(ctx, rb, internalFormat, width, height);
+
+ rb->Data = malloc(height * xrb->pitch);
+
+ return GL_TRUE;
+}
+
+static struct swrast_renderbuffer *
+swrast_new_renderbuffer(const struct gl_config *visual, GLboolean front)
+{
+ struct swrast_renderbuffer *xrb = calloc(1, sizeof *xrb);
+ GLuint pixel_format;
+
+ TRACE;
+
+ if (!xrb)
+ return NULL;
+
+ _mesa_init_renderbuffer(&xrb->Base, 0);
+
+ pixel_format = choose_pixel_format(visual);
+
+ xrb->Base.Delete = swrast_delete_renderbuffer;
+ if (front) {
+ xrb->Base.AllocStorage = swrast_alloc_front_storage;
+ swrast_set_span_funcs_front(xrb, pixel_format);
+ }
+ else {
+ xrb->Base.AllocStorage = swrast_alloc_back_storage;
+ swrast_set_span_funcs_back(xrb, pixel_format);
+ }
+
+ switch (pixel_format) {
+ case PF_A8R8G8B8:
+ xrb->Base.Format = MESA_FORMAT_ARGB8888;
+ xrb->Base.InternalFormat = GL_RGBA;
+ xrb->Base._BaseFormat = GL_RGBA;
+ xrb->Base.DataType = GL_UNSIGNED_BYTE;
+ xrb->bpp = 32;
+ break;
+ case PF_X8R8G8B8:
+ xrb->Base.Format = MESA_FORMAT_ARGB8888; /* XXX */
+ xrb->Base.InternalFormat = GL_RGB;
+ xrb->Base._BaseFormat = GL_RGB;
+ xrb->Base.DataType = GL_UNSIGNED_BYTE;
+ xrb->bpp = 32;
+ break;
+ case PF_R5G6B5:
+ xrb->Base.Format = MESA_FORMAT_RGB565;
+ xrb->Base.InternalFormat = GL_RGB;
+ xrb->Base._BaseFormat = GL_RGB;
+ xrb->Base.DataType = GL_UNSIGNED_BYTE;
+ xrb->bpp = 16;
+ break;
+ case PF_R3G3B2:
+ xrb->Base.Format = MESA_FORMAT_RGB332;
+ xrb->Base.InternalFormat = GL_RGB;
+ xrb->Base._BaseFormat = GL_RGB;
+ xrb->Base.DataType = GL_UNSIGNED_BYTE;
+ xrb->bpp = 8;
+ break;
+ default:
+ return NULL;
+ }
+
+ return xrb;
+}
+
+static GLboolean
+dri_create_buffer(__DRIscreen * sPriv,
+ __DRIdrawable * dPriv,
+ const struct gl_config * visual, GLboolean isPixmap)
+{
+ struct dri_drawable *drawable = NULL;
+ struct gl_framebuffer *fb;
+ struct swrast_renderbuffer *frontrb, *backrb;
+
+ TRACE;
+
+ drawable = CALLOC_STRUCT(dri_drawable);
+ if (drawable == NULL)
+ goto drawable_fail;
+
+ dPriv->driverPrivate = drawable;
+ drawable->dPriv = dPriv;
+
+ drawable->row = malloc(MAX_WIDTH * 4);
+ if (drawable->row == NULL)
+ goto drawable_fail;
+
+ fb = &drawable->Base;
+
+ /* basic framebuffer setup */
+ _mesa_initialize_window_framebuffer(fb, visual);
+
+ /* add front renderbuffer */
+ frontrb = swrast_new_renderbuffer(visual, GL_TRUE);
+ _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontrb->Base);
+
+ /* add back renderbuffer */
+ if (visual->doubleBufferMode) {
+ backrb = swrast_new_renderbuffer(visual, GL_FALSE);
+ _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backrb->Base);
+ }
+
+ /* add software renderbuffers */
+ _mesa_add_soft_renderbuffers(fb,
+ GL_FALSE, /* color */
+ visual->haveDepthBuffer,
+ visual->haveStencilBuffer,
+ visual->haveAccumBuffer,
+ GL_FALSE, /* alpha */
+ GL_FALSE /* aux bufs */);
+
+ return GL_TRUE;
+
+drawable_fail:
+
+ if (drawable)
+ free(drawable->row);
+
+ FREE(drawable);
+
+ return GL_FALSE;
+}
+
+static void
+dri_destroy_buffer(__DRIdrawable * dPriv)
+{
+ TRACE;
+
+ if (dPriv) {
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct gl_framebuffer *fb;
+
+ free(drawable->row);
+
+ fb = &drawable->Base;
+
+ fb->DeletePending = GL_TRUE;
+ _mesa_reference_framebuffer(&fb, NULL);
+ }
+}
+
+static void
+dri_swap_buffers(__DRIdrawable * dPriv)
+{
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
+
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct gl_framebuffer *fb;
+ struct swrast_renderbuffer *frontrb, *backrb;
+
+ TRACE;
+
+ fb = &drawable->Base;
+
+ frontrb =
+ swrast_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
+ backrb =
+ swrast_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
+
+ /* check for signle-buffered */
+ if (backrb == NULL)
+ return;
+
+ /* check if swapping currently bound buffer */
+ if (ctx && ctx->DrawBuffer == fb) {
+ /* flush pending rendering */
+ _mesa_notifySwapBuffers(ctx);
+ }
+
+ sPriv->swrast_loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
+ 0, 0,
+ frontrb->Base.Width,
+ frontrb->Base.Height,
+ backrb->Base.Data,
+ dPriv->loaderPrivate);
+}
+
+
+/**
+ * General device driver functions.
+ */
+
+static void
+get_window_size( struct gl_framebuffer *fb, GLsizei *w, GLsizei *h )
+{
+ __DRIdrawable *dPriv = swrast_drawable(fb)->dPriv;
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
+ int x, y;
+
+ sPriv->swrast_loader->getDrawableInfo(dPriv,
+ &x, &y, w, h,
+ dPriv->loaderPrivate);
+}
+
+static void
+swrast_check_and_update_window_size( struct gl_context *ctx, struct gl_framebuffer *fb )
+{
+ GLsizei width, height;
+
+ get_window_size(fb, &width, &height);
+ if (fb->Width != width || fb->Height != height) {
+ _mesa_resize_framebuffer(ctx, fb, width, height);
+ }
+}
+
+static const GLubyte *
+get_string(struct gl_context *ctx, GLenum pname)
+{
+ (void) ctx;
+ switch (pname) {
+ case GL_VENDOR:
+ return (const GLubyte *) "Mesa Project";
+ case GL_RENDERER:
+ return (const GLubyte *) "Software Rasterizer";
+ default:
+ return NULL;
+ }
+}
+
+static void
+update_state( struct gl_context *ctx, GLuint new_state )
+{
+ /* not much to do here - pass it on */
+ _swrast_InvalidateState( ctx, new_state );
+ _swsetup_InvalidateState( ctx, new_state );
+ _vbo_InvalidateState( ctx, new_state );
+ _tnl_InvalidateState( ctx, new_state );
+}
+
+static void
+viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
+{
+ struct gl_framebuffer *draw = ctx->WinSysDrawBuffer;
+ struct gl_framebuffer *read = ctx->WinSysReadBuffer;
+
+ swrast_check_and_update_window_size(ctx, draw);
+ swrast_check_and_update_window_size(ctx, read);
+}
+
+static gl_format swrastChooseTextureFormat(struct gl_context * ctx,
+ GLint internalFormat,
+ GLenum format,
+ GLenum type)
+{
+ if (internalFormat == GL_RGB)
+ return MESA_FORMAT_XRGB8888;
+ return _mesa_choose_tex_format(ctx, internalFormat, format, type);
+}
+
+static void
+swrast_init_driver_functions(struct dd_function_table *driver)
+{
+ driver->GetString = get_string;
+ driver->UpdateState = update_state;
+ driver->GetBufferSize = NULL;
+ driver->Viewport = viewport;
+ driver->ChooseTextureFormat = swrastChooseTextureFormat;
+}
+
+static const char *es2_extensions[] = {
+ /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */
+ "GL_ARB_draw_buffers",
+ "GL_ARB_multisample",
+ "GL_ARB_texture_compression",
+ "GL_ARB_transpose_matrix",
+ "GL_ARB_vertex_buffer_object",
+ "GL_ARB_window_pos",
+ "GL_EXT_blend_func_separate",
+ "GL_EXT_compiled_vertex_array",
+ "GL_EXT_framebuffer_blit",
+ "GL_EXT_multi_draw_arrays",
+ "GL_EXT_polygon_offset",
+ "GL_EXT_texture_object",
+ "GL_EXT_vertex_array",
+ "GL_IBM_multimode_draw_arrays",
+ "GL_MESA_window_pos",
+ "GL_NV_vertex_program",
+
+ /* Required by GLES2 */
+ "GL_ARB_fragment_program",
+ "GL_ARB_fragment_shader",
+ "GL_ARB_multitexture",
+ "GL_ARB_shader_objects",
+ "GL_ARB_texture_cube_map",
+ "GL_ARB_texture_mirrored_repeat",
+ "GL_ARB_texture_non_power_of_two",
+ "GL_ARB_vertex_shader",
+ "GL_EXT_blend_color",
+ "GL_EXT_blend_equation_separate",
+ "GL_EXT_blend_minmax",
+ "GL_EXT_blend_subtract",
+ "GL_EXT_stencil_wrap",
+
+ /* Optional GLES2 */
+ "GL_ARB_framebuffer_object",
+ "GL_EXT_texture_filter_anisotropic",
+ "GL_ARB_depth_texture",
+ "GL_EXT_packed_depth_stencil",
+ "GL_EXT_framebuffer_object",
+ NULL,
+};
+
+static void
+InitExtensionsES2(struct gl_context *ctx)
+{
+ int i;
+
+ /* Can't use driInitExtensions() since it uses extensions from
+ * main/remap_helper.h when called the first time. */
+
+ for (i = 0; es2_extensions[i]; i++)
+ _mesa_enable_extension(ctx, es2_extensions[i]);
+}
+
+/**
+ * Context-related functions.
+ */
+
+static GLboolean
+dri_create_context(gl_api api,
+ const struct gl_config * visual,
+ __DRIcontext * cPriv, void *sharedContextPrivate)
+{
+ struct dri_context *ctx = NULL;
+ struct dri_context *share = (struct dri_context *)sharedContextPrivate;
+ struct gl_context *mesaCtx = NULL;
+ struct gl_context *sharedCtx = NULL;
+ struct dd_function_table functions;
+
+ TRACE;
+
+ ctx = CALLOC_STRUCT(dri_context);
+ if (ctx == NULL)
+ goto context_fail;
+
+ cPriv->driverPrivate = ctx;
+ ctx->cPriv = cPriv;
+
+ /* build table of device driver functions */
+ _mesa_init_driver_functions(&functions);
+ swrast_init_driver_functions(&functions);
+
+ if (share) {
+ sharedCtx = &share->Base;
+ }
+
+ mesaCtx = &ctx->Base;
+
+ /* basic context setup */
+ if (!_mesa_initialize_context_for_api(mesaCtx, api, visual, sharedCtx, &functions, (void *) cPriv)) {
+ goto context_fail;
+ }
+
+ /* do bounds checking to prevent segfaults and server crashes! */
+ mesaCtx->Const.CheckArrayBounds = GL_TRUE;
+
+ /* create module contexts */
+ _swrast_CreateContext( mesaCtx );
+ _vbo_CreateContext( mesaCtx );
+ _tnl_CreateContext( mesaCtx );
+ _swsetup_CreateContext( mesaCtx );
+ _swsetup_Wakeup( mesaCtx );
+
+ /* use default TCL pipeline */
+ {
+ TNLcontext *tnl = TNL_CONTEXT(mesaCtx);
+ tnl->Driver.RunPipeline = _tnl_run_pipeline;
+ }
+
+ _mesa_meta_init(mesaCtx);
+ _mesa_enable_sw_extensions(mesaCtx);
+
+ switch (api) {
+ case API_OPENGL:
+ _mesa_enable_1_3_extensions(mesaCtx);
+ _mesa_enable_1_4_extensions(mesaCtx);
+ _mesa_enable_1_5_extensions(mesaCtx);
+ _mesa_enable_2_0_extensions(mesaCtx);
+ _mesa_enable_2_1_extensions(mesaCtx);
+
+ driInitExtensions( mesaCtx, NULL, GL_FALSE );
+ break;
+ case API_OPENGLES:
+ _mesa_enable_1_3_extensions(mesaCtx);
+ _mesa_enable_1_4_extensions(mesaCtx);
+ _mesa_enable_1_5_extensions(mesaCtx);
+
+ break;
+ case API_OPENGLES2:
+ InitExtensionsES2( mesaCtx);
+ break;
+ }
+
+ return GL_TRUE;
+
+context_fail:
+
+ FREE(ctx);
+
+ return GL_FALSE;
+}
+
+static void
+dri_destroy_context(__DRIcontext * cPriv)
+{
+ TRACE;
+
+ if (cPriv) {
+ struct dri_context *ctx = dri_context(cPriv);
+ struct gl_context *mesaCtx;
+
+ mesaCtx = &ctx->Base;
+
+ _mesa_meta_free(mesaCtx);
+ _swsetup_DestroyContext( mesaCtx );
+ _swrast_DestroyContext( mesaCtx );
+ _tnl_DestroyContext( mesaCtx );
+ _vbo_DestroyContext( mesaCtx );
+ _mesa_destroy_context( mesaCtx );
+ }
+}
+
+static GLboolean
+dri_make_current(__DRIcontext * cPriv,
+ __DRIdrawable * driDrawPriv,
+ __DRIdrawable * driReadPriv)
+{
+ struct gl_context *mesaCtx;
+ struct gl_framebuffer *mesaDraw;
+ struct gl_framebuffer *mesaRead;
+ TRACE;
+
+ if (cPriv) {
+ struct dri_context *ctx = dri_context(cPriv);
+ struct dri_drawable *draw;
+ struct dri_drawable *read;
+
+ if (!driDrawPriv || !driReadPriv)
+ return GL_FALSE;
+
+ draw = dri_drawable(driDrawPriv);
+ read = dri_drawable(driReadPriv);
+ mesaCtx = &ctx->Base;
+ mesaDraw = &draw->Base;
+ mesaRead = &read->Base;
+
+ /* check for same context and buffer */
+ if (mesaCtx == _mesa_get_current_context()
+ && mesaCtx->DrawBuffer == mesaDraw
+ && mesaCtx->ReadBuffer == mesaRead) {
+ return GL_TRUE;
+ }
+
+ _glapi_check_multithread();
+
+ swrast_check_and_update_window_size(mesaCtx, mesaDraw);
+ if (mesaRead != mesaDraw)
+ swrast_check_and_update_window_size(mesaCtx, mesaRead);
+
+ _mesa_make_current( mesaCtx,
+ mesaDraw,
+ mesaRead );
+ }
+ else {
+ /* unbind */
+ _mesa_make_current( NULL, NULL, NULL );
+ }
+
+ return GL_TRUE;
+}
+
+static GLboolean
+dri_unbind_context(__DRIcontext * cPriv)
+{
+ TRACE;
+ (void) cPriv;
+
+ /* Unset current context and dispath table */
+ _mesa_make_current(NULL, NULL, NULL);
+
+ return GL_TRUE;
+}
+
+
+const struct __DriverAPIRec driDriverAPI = {
+ /*.InitScreen = */dri_init_screen,
+ /*.DestroyScreen = */dri_destroy_screen,
+ /*.CreateContext = */dri_create_context,
+ /*.DestroyContext = */dri_destroy_context,
+ /*.CreateBuffer = */dri_create_buffer,
+ /*.DestroyBuffer = */dri_destroy_buffer,
+ /*.SwapBuffers = */dri_swap_buffers,
+ /*.MakeCurrent = */dri_make_current,
+ /*.UnbindContext = */dri_unbind_context,
+};
+
+/* This is the table of extensions that the loader will dlsym() for. */
+PUBLIC const __DRIextension *__driDriverExtensions[] = {
+ &driCoreExtension.base,
+ &driSWRastExtension.base,
+ NULL
+};