glx-copy-sub-buffer: test GLX_MESA_copy_sub_buffer

2 files changed, 114 insertions, 0 deletions

diff --git a/tests/glx/CMakeLists.gl.txt b/tests/glx/CMakeLists.gl.txt
index 74f49aa4..b2fc2b6e 100644
--- a/tests/glx/CMakeLists.gl.txt
+++ b/tests/glx/CMakeLists.gl.txt
@@ -50,6 +50,8 @@ IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 	target_link_libraries(glx-pixmap-crosscheck X11)
 
 	add_executable (glx-visuals-stencil glx-visuals-stencil.c)
+
+	add_executable (glx-copy-sub-buffer glx-copy-sub-buffer.c)
 ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 
 # vim: ft=cmake:
diff --git a/tests/glx/glx-copy-sub-buffer.c b/tests/glx/glx-copy-sub-buffer.c
new file mode 100644
index 00000000..a25b758a
--- /dev/null
+++ b/tests/glx/glx-copy-sub-buffer.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
+ * Copyright 2010 Red Hat, Inc.
+ *
+ * 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.
+ *
+ * Authors:
+ *    Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
+ *    Adam Jackson <ajax@redhat.com>
+ *
+ * Derived from glx-make-current.c
+ */
+
+/** @file glx-copy-sub-buffer.c
+ *
+ * Test that GLX_MESA_copy_sub_buffer works as advertised
+ */
+
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+
+int piglit_width = 100, piglit_height = 100;
+static Display *dpy;
+static Window win_one;
+static XVisualInfo *visinfo;
+static PFNGLXCOPYSUBBUFFERMESAPROC CopySubBuffer;
+
+enum piglit_result
+draw(Display *dpy)
+{
+	GLXContext ctx;
+	GLboolean pass = GL_TRUE;
+	static float red[]   = {1.0, 0.0, 0.0, 0.0};
+	static float green[] = {0.0, 1.0, 0.0, 0.0};
+
+	ctx = piglit_get_glx_context(dpy, visinfo);
+	glXMakeCurrent(dpy, win_one, ctx);
+
+	glClearColor(1.0, 0.0, 0.0, 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	glXSwapBuffers(dpy, win_one);
+
+	glClearColor(0.0, 1.0, 0.0, 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	CopySubBuffer(dpy, win_one,
+		      piglit_width / 4,
+		      piglit_height / 4,
+		      piglit_width / 2,
+		      piglit_height / 2);
+
+	glReadBuffer(GL_FRONT);
+
+	pass &= piglit_probe_rect_rgb(0, 0, piglit_width / 4, piglit_height / 4,
+				      red);
+	pass &= piglit_probe_rect_rgb(piglit_width / 4, piglit_width / 4,
+				      piglit_width / 2, piglit_height / 2,
+				      green);
+
+	glXMakeCurrent(dpy, None, NULL);
+	glXDestroyContext(dpy, ctx);
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+int
+main(int argc, char **argv)
+{
+	int i;
+
+	for(i = 1; i < argc; ++i) {
+		if (!strcmp(argv[i], "-auto"))
+			piglit_automatic = 1;
+		else
+			fprintf(stderr, "Unknown option: %s\n", argv[i]);
+	}
+
+	dpy = XOpenDisplay(NULL);
+	if (dpy == NULL) {
+		fprintf(stderr, "couldn't open display\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	piglit_require_glx_extension(dpy, "MESA_copy_sub_buffer");
+	CopySubBuffer = (PFNGLXCOPYSUBBUFFERMESAPROC)
+	    glXGetProcAddressARB((GLubyte *)"glXCopySubBufferMESA");
+
+	visinfo = piglit_get_glx_visual(dpy);
+	win_one = piglit_get_glx_window(dpy, visinfo);
+
+	XMapWindow(dpy, win_one);
+
+	piglit_glx_event_loop(dpy, draw);
+
+	return 0;
+}