Attachment 70274 Details for Bug 57241 – GL-3.0-forward-compatible-context-test

[patch] GL-3.0-forward-compatible-context-test

0001-GL-3.0-forward-compatible-context-test.patch (text/plain), 6.46 KB, created by Alexander Sabourenkov on 2012-11-19 19:31:57 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Alexander Sabourenkov

Created: 2012-11-19 19:31:57 UTC

Size: 6.46 KB

patch

obsolete

>From 93bba98ff6297068cebe059dd4e6dec2146dec63 Mon Sep 17 00:00:00 2001
>From: Alexander Sabourenkov <screwdriver@lxnt.info>
>Date: Mon, 19 Nov 2012 23:28:35 +0400
>Subject: [PATCH] GL 3.0 forward-compatible context test
>
>---
> .../spec/glx_arb_create_context/CMakeLists.gl.txt  |    1 +
> .../spec/glx_arb_create_context/fc-point-sprite.c  |  121 ++++++++++++++++++++
> 2 files changed, 122 insertions(+)
> create mode 100644 tests/spec/glx_arb_create_context/fc-point-sprite.c
>
>diff --git a/tests/spec/glx_arb_create_context/CMakeLists.gl.txt b/tests/spec/glx_arb_create_context/CMakeLists.gl.txt
>index 76c403a..01557a2 100644
>--- a/tests/spec/glx_arb_create_context/CMakeLists.gl.txt
>+++ b/tests/spec/glx_arb_create_context/CMakeLists.gl.txt
>@@ -40,6 +40,7 @@ IF(PIGLIT_BUILD_GLX_TESTS)
> 	piglit_add_executable (glx-create-context-valid-attribute-empty valid-attribute-empty.c common.c)
> 	piglit_add_executable (glx-create-context-valid-attribute-null valid-attribute-null.c common.c)
> 	piglit_add_executable (glx-create-context-valid-flag-forward-compatible valid-flag-forward-compatible.c common.c)
>+	piglit_add_executable (glx-create-context-fc-point-sprite fc-point-sprite.c common.c)
> ENDIF(PIGLIT_BUILD_GLX_TESTS)
> 
> # vim: ft=cmake:
>diff --git a/tests/spec/glx_arb_create_context/fc-point-sprite.c b/tests/spec/glx_arb_create_context/fc-point-sprite.c
>new file mode 100644
>index 0000000..65cdc7c
>--- /dev/null
>+++ b/tests/spec/glx_arb_create_context/fc-point-sprite.c
>@@ -0,0 +1,121 @@
>+/* Copyright Â© 2011 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 "piglit-util-gl-common.h"
>+#include "piglit-glx-util.h"
>+#include "common.h"
>+
>+static bool try_flag(int flag)
>+{
>+	const int attribs[] = {
>+		GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
>+		GLX_CONTEXT_MINOR_VERSION_ARB, 0,
>+		GLX_CONTEXT_FLAGS_ARB, flag,
>+		None
>+	};
>+	GLXContext ctx;
>+
>+	ctx = glXCreateContextAttribsARB(dpy, fbconfig, NULL, True, attribs);
>+	XSync(dpy, 0);
>+
>+	if (ctx != NULL) {
>+                /* The GLX_ARB_create_context spec says:
>+                 *
>+                 *     "If the GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB is set 
>+                 *      in GLX_CONTEXT_FLAGS_ARB, then a <forward-compatible> 
>+                 *      context will becreated. Forward-compatible contexts are 
>+                 *      defined only for OpenGL versions 3.0 and later. They 
>+                 *      must not support functionality marked as <deprecated> 
>+                 *      by that version of the API, while a 
>+                 *      non-forward-compatible context must support all 
>+                 *      functionality in that version, deprecated or not."
>+                 *
>+                 * The glspec30.20080811.pdf says:
>+                 *   
>+                 *      "The features deprecated in OpenGL 3.0 are 
>+                 *       summarized below, 
>+                 *
>+                 * and later in the same section:
>+                 *
>+                 *     "* Non-sprite points (section 3.4) - Enable/Disable 
>+                 *        targets POINT SMOOTH and POINT SPRITE, and all 
>+                 *        associated state. Point rasterization is always per-
>+                 *        formed as though POINT SPRITE were enabled."
>+                 *
>+                 */
>+    
>+                glXMakeContextCurrent(dpy, glxWin, glxWin, ctx);
>+                piglit_dispatch_default_init();
>+                while (GL_NO_ERROR != glGetError());
>+                glEnable(GL_POINT_SPRITE);
>+                int e = glGetError();
>+                fprintf(stderr, "flag = 0x%08x err = 0x%08x\n", flag, e);
>+                if ((GL_NO_ERROR == e) && flag) {
>+                     glXDestroyContext(dpy, ctx);
>+                     fprintf(stderr, "flag = 0x%08x\n", flag);
>+                     return false;
>+                }
>+		glXDestroyContext(dpy, ctx);
>+	} else {
>+                fprintf(stderr, "flag = 0x%08x ctx = null\n", flag);
>+                /* The GLX_ARB_create_context spec says:
>+                 *
>+                 *     "* If attributes GLX_CONTEXT_MAJOR_VERSION_ARB and
>+                 *        GLX_CONTEXT_MINOR_VERSION_ARB, when considered 
>+                 *        together with attributes 
>+                 *        GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB and
>+                 *        GLX_RENDER_TYPE, specify an OpenGL version and 
>+                 *        feature set that are not defined, BadMatch 
>+                 *        is generated.
>+		 *
>+		 *     "* If <config> does not support compatible OpenGL
>+		 *        contexts providing the requested API major and minor
>+		 *        version, forward-compatible flag, and debug context
>+		 *        flag, GLXBadFBConfig is generated."
>+                 *
>+                 * The glspec30.20080811.pdf says:
>+                 *
>+                 *     "To aid developers in writing applications which will 
>+                 *      run on such future versions, it is possible to create 
>+                 *      an OpenGL 3.0 context which does not support 
>+                 *      deprecated features.
>+		 */
>+                
>+                return false;
>+	}
>+
>+	return true;
>+}
>+
>+int main(int argc, char **argv)
>+{
>+	bool pass = true;
>+
>+	GLX_ARB_create_context_setup();
>+
>+	pass = try_flag(0) && pass;
>+	pass = try_flag(GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB) && pass;
>+
>+	GLX_ARB_create_context_teardown();
>+
>+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
>+	return 0;
>+}
>-- 
>1.7.10.4
>

Actions: View | Splinter Review

Attachments on bug 57241: 70274

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.