glx/tests: Add unit tests for the DRI2 part of GLX_MESA_query_rendererquery-renderer

After adding $(DEFINES) to AM_CPPFLAGS, the __glXGetCurrentContext
wrapper function is no longer needed and causes compile errors.  Using
the correct defines causes it to be a macro!

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

3 files changed, 314 insertions, 6 deletions

diff --git a/src/glx/tests/Makefile.am b/src/glx/tests/Makefile.am
index 6995d987d35..4dc358c3261 100644
--- a/src/glx/tests/Makefile.am
+++ b/src/glx/tests/Makefile.am
@@ -6,6 +6,9 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/src/mesa \
 	-I$(top_srcdir)/src/glx \
 	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/include/GL/internal \
+	$(DEFINES) \
+	$(LIBDRM_CFLAGS) \
 	$(X11_CFLAGS)
 
 TESTS = glx-test
@@ -17,6 +20,7 @@ glx_test_SOURCES =			\
 	enum_sizes.cpp			\
 	fake_glx_screen.cpp		\
 	indirect_api.cpp		\
+	query_renderer_implementation_unittest.cpp	\
 	query_renderer_unittest.cpp
 
 glx_test_LDADD = \
diff --git a/src/glx/tests/fake_glx_screen.cpp b/src/glx/tests/fake_glx_screen.cpp
index 29f244117cd..815330a0b1f 100644
--- a/src/glx/tests/fake_glx_screen.cpp
+++ b/src/glx/tests/fake_glx_screen.cpp
@@ -76,9 +76,3 @@ indirect_create_context_attribs(struct glx_screen *base,
 }
 
 __thread void *__glX_tls_Context = NULL;
-
-extern "C" struct glx_context *
-__glXGetCurrentContext()
-{
-   return (struct glx_context *) __glX_tls_Context;
-}
diff --git a/src/glx/tests/query_renderer_implementation_unittest.cpp b/src/glx/tests/query_renderer_implementation_unittest.cpp
new file mode 100644
index 00000000000..474908939d6
--- /dev/null
+++ b/src/glx/tests/query_renderer_implementation_unittest.cpp
@@ -0,0 +1,310 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <gtest/gtest.h>
+#include <signal.h>
+#include <setjmp.h>
+
+extern "C" {
+#include "glxclient.h"
+#include "glx_error.h"
+#include "xf86drm.h"
+#include "dri2.h"
+#include "dri_interface.h"
+#include "dri2_priv.h"
+}
+
+struct attribute_test_vector {
+   const char *glx_string;
+   const char *dri_string;
+   int glx_attribute;
+   int dri_attribute;
+};
+
+#define E(g, d) { # g, # d, g, d }
+
+static bool got_sigsegv;
+static jmp_buf jmp;
+
+static void
+sigsegv_handler(int sig)
+{
+   (void) sig;
+   got_sigsegv = true;
+   longjmp(jmp, 1);
+}
+
+class dri2_query_renderer_string_test : public ::testing::Test {
+public:
+   virtual void SetUp();
+   virtual void TearDown();
+
+   struct sigaction sa;
+   struct sigaction old_sa;
+};
+
+class dri2_query_renderer_integer_test :
+   public dri2_query_renderer_string_test {
+};
+
+static bool queryString_called = false;
+static int queryString_attribute = -1;
+
+static bool queryInteger_called = false;
+static int queryInteger_attribute = -1;
+
+static int
+fake_queryInteger(__DRIscreen *screen, int attribute, unsigned int *val)
+{
+   (void) screen;
+
+   queryInteger_attribute = attribute;
+   queryInteger_called = true;
+
+   switch (attribute) {
+   case __DRI2_RENDERER_VENDOR_ID:
+      *val = ~__DRI2_RENDERER_VENDOR_ID;
+      return 0;
+   case __DRI2_RENDERER_DEVICE_ID:
+      *val = ~__DRI2_RENDERER_DEVICE_ID;
+      return 0;
+   case __DRI2_RENDERER_VERSION:
+      *val = ~__DRI2_RENDERER_VERSION;
+      return 0;
+   case __DRI2_RENDERER_ACCELERATED:
+      *val = ~__DRI2_RENDERER_ACCELERATED;
+      return 0;
+   case __DRI2_RENDERER_VIDEO_MEMORY:
+      *val = ~__DRI2_RENDERER_VIDEO_MEMORY;
+      return 0;
+   case __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE:
+      *val = ~__DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE;
+      return 0;
+   case __DRI2_RENDERER_PREFERRED_PROFILE:
+      *val = ~__DRI2_RENDERER_PREFERRED_PROFILE;
+      return 0;
+   case __DRI2_RENDERER_OPENGL_CORE_PROFILE_VERSION:
+      *val = ~__DRI2_RENDERER_OPENGL_CORE_PROFILE_VERSION;
+      return 0;
+   case __DRI2_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION:
+      *val = ~__DRI2_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION;
+      return 0;
+   case __DRI2_RENDERER_OPENGL_ES_PROFILE_VERSION:
+      *val = ~__DRI2_RENDERER_OPENGL_ES_PROFILE_VERSION;
+      return 0;
+   case __DRI2_RENDERER_OPENGL_ES2_PROFILE_VERSION:
+      *val = ~__DRI2_RENDERER_OPENGL_ES2_PROFILE_VERSION;
+      return 0;
+   }
+
+   return -1;
+}
+
+static int
+fake_queryString(__DRIscreen *screen, int attribute, const char **val)
+{
+   (void) screen;
+
+   queryString_attribute = attribute;
+   queryString_called = true;
+
+   switch (attribute) {
+   case __DRI2_RENDERER_VENDOR_ID:
+      *val = "__DRI2_RENDERER_VENDOR_ID";
+      return 0;
+   case __DRI2_RENDERER_DEVICE_ID:
+      *val = "__DRI2_RENDERER_DEVICE_ID";
+      return 0;
+   }
+
+   return -1;
+}
+
+struct __DRI2rendererQueryExtensionRec rendererQueryExt = {
+   { __DRI2_RENDERER_QUERY, 1 },
+
+   fake_queryInteger,
+   fake_queryString
+};
+
+void dri2_query_renderer_string_test::SetUp()
+{
+   got_sigsegv = false;
+
+   sa.sa_handler = sigsegv_handler;
+   sigemptyset(&sa.sa_mask);
+   sa.sa_flags = 0;
+   sigaction(SIGSEGV, &sa, &old_sa);
+}
+
+void dri2_query_renderer_string_test::TearDown()
+{
+   sigaction(SIGSEGV, &old_sa, NULL);
+}
+
+/**
+ * dri2_query_renderer_string will return an error if the rendererQuery
+ * extension is not present.  It will also not segfault.
+ */
+TEST_F(dri2_query_renderer_string_test, DRI2_RENDERER_QUERY_not_supported)
+{
+   struct dri2_screen dsc;
+
+   memset(&dsc, 0, sizeof(dsc));
+
+   if (setjmp(jmp) == 0) {
+      static const char original_value[] = "0xDEADBEEF";
+      const char *value = original_value;
+      const int success =
+         dri2_query_renderer_string(&dsc.base,
+                                    GLX_RENDERER_VENDOR_ID_MESA, &value);
+
+      EXPECT_EQ(-1, success);
+      EXPECT_EQ(original_value, value);
+   } else {
+      EXPECT_FALSE(got_sigsegv);
+   }
+}
+
+/**
+ * dri2_query_renderer_string will call queryString with the correct DRI2 enum
+ * for each GLX attribute value.
+ *
+ * \note
+ * This test does \b not perform any checking for invalid GLX attribte values.
+ * Other unit tests verify that invalid values are filtered before
+ * dri2_query_renderer_string is called.
+ */
+TEST_F(dri2_query_renderer_string_test, valid_attribute_mapping)
+{
+   struct dri2_screen dsc;
+   struct attribute_test_vector valid_attributes[] = {
+      E(GLX_RENDERER_VENDOR_ID_MESA,
+        __DRI2_RENDERER_VENDOR_ID),
+      E(GLX_RENDERER_DEVICE_ID_MESA,
+        __DRI2_RENDERER_DEVICE_ID),
+   };
+
+   memset(&dsc, 0, sizeof(dsc));
+   dsc.rendererQuery = &rendererQueryExt;
+
+   if (setjmp(jmp) == 0) {
+      for (unsigned i = 0; i < ARRAY_SIZE(valid_attributes); i++) {
+         static const char original_value[] = "original value";
+         const char *value = original_value;
+         const int success =
+            dri2_query_renderer_string(&dsc.base,
+                                       valid_attributes[i].glx_attribute,
+                                       &value);
+
+         EXPECT_EQ(0, success);
+         EXPECT_EQ(valid_attributes[i].dri_attribute, queryString_attribute)
+            << valid_attributes[i].glx_string;
+         EXPECT_STREQ(valid_attributes[i].dri_string, value)
+            << valid_attributes[i].glx_string;
+      }
+   } else {
+      EXPECT_FALSE(got_sigsegv);
+   }
+}
+
+/**
+ * dri2_query_renderer_integer will return an error if the rendererQuery
+ * extension is not present.  It will also not segfault.
+ */
+TEST_F(dri2_query_renderer_integer_test, DRI2_RENDERER_QUERY_not_supported)
+{
+   struct dri2_screen dsc;
+
+   memset(&dsc, 0, sizeof(dsc));
+
+   if (setjmp(jmp) == 0) {
+      unsigned int value = 0xDEADBEEF;
+      const int success =
+         dri2_query_renderer_integer(&dsc.base,
+                                    GLX_RENDERER_VENDOR_ID_MESA, &value);
+
+      EXPECT_EQ(-1, success);
+      EXPECT_EQ(0xDEADBEEF, value);
+   } else {
+      EXPECT_FALSE(got_sigsegv);
+   }
+}
+
+/**
+ * dri2_query_renderer_integer will call queryInteger with the correct DRI2 enum
+ * for each GLX attribute value.
+ *
+ * \note
+ * This test does \b not perform any checking for invalid GLX attribte values.
+ * Other unit tests verify that invalid values are filtered before
+ * dri2_query_renderer_integer is called.
+ */
+TEST_F(dri2_query_renderer_integer_test, valid_attribute_mapping)
+{
+   struct dri2_screen dsc;
+   struct attribute_test_vector valid_attributes[] = {
+      E(GLX_RENDERER_VENDOR_ID_MESA,
+        __DRI2_RENDERER_VENDOR_ID),
+      E(GLX_RENDERER_DEVICE_ID_MESA,
+        __DRI2_RENDERER_DEVICE_ID),
+      E(GLX_RENDERER_VERSION_MESA,
+        __DRI2_RENDERER_VERSION),
+      E(GLX_RENDERER_ACCELERATED_MESA,
+        __DRI2_RENDERER_ACCELERATED),
+      E(GLX_RENDERER_VIDEO_MEMORY_MESA,
+        __DRI2_RENDERER_VIDEO_MEMORY),
+      E(GLX_RENDERER_UNIFIED_MEMORY_ARCHITECTURE_MESA,
+        __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE),
+      E(GLX_RENDERER_PREFERRED_PROFILE_MESA,
+        __DRI2_RENDERER_PREFERRED_PROFILE),
+      E(GLX_RENDERER_OPENGL_CORE_PROFILE_VERSION_MESA,
+        __DRI2_RENDERER_OPENGL_CORE_PROFILE_VERSION),
+      E(GLX_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION_MESA,
+        __DRI2_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION),
+      E(GLX_RENDERER_OPENGL_ES_PROFILE_VERSION_MESA,
+        __DRI2_RENDERER_OPENGL_ES_PROFILE_VERSION),
+      E(GLX_RENDERER_OPENGL_ES2_PROFILE_VERSION_MESA,
+        __DRI2_RENDERER_OPENGL_ES2_PROFILE_VERSION),
+   };
+
+   memset(&dsc, 0, sizeof(dsc));
+   dsc.rendererQuery = &rendererQueryExt;
+
+   if (setjmp(jmp) == 0) {
+      for (unsigned i = 0; i < ARRAY_SIZE(valid_attributes); i++) {
+         unsigned int value = 0xDEADBEEF;
+         const int success =
+            dri2_query_renderer_integer(&dsc.base,
+                                       valid_attributes[i].glx_attribute,
+                                       &value);
+
+         EXPECT_EQ(0, success);
+         EXPECT_EQ(valid_attributes[i].dri_attribute, queryInteger_attribute)
+            << valid_attributes[i].glx_string;
+         EXPECT_EQ((unsigned int) ~valid_attributes[i].dri_attribute, value)
+            << valid_attributes[i].glx_string;
+      }
+   } else {
+      EXPECT_FALSE(got_sigsegv);
+   }
+}