egl: add new test egl-create-largest-pbuffer-surface

Test is based on egl-create-pbuffer-surface but tests that using
EGL_LARGEST_PBUFFER attribute works as specified

Test fails on current Mesa and Nvidia binary driver version 355.11.

v2: code cleanups

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>

3 files changed, 112 insertions, 0 deletions

diff --git a/tests/all.py b/tests/all.py
index c5009cc62..440eb0f25 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -4332,6 +4332,9 @@ with profile.group_manager(
     g(['egl-create-pbuffer-surface'],
       'eglCreatePbufferSurface and then glClear',
       run_concurrent=False)
+    g(['egl-create-largest-pbuffer-surface'],
+      'largest possible eglCreatePbufferSurface and then glClear',
+      run_concurrent=False)
 
 with profile.group_manager(
         PiglitGLTest,
diff --git a/tests/egl/CMakeLists.gl.txt b/tests/egl/CMakeLists.gl.txt
index eccd470ec..06fbecb9b 100644
--- a/tests/egl/CMakeLists.gl.txt
+++ b/tests/egl/CMakeLists.gl.txt
@@ -21,6 +21,8 @@ IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 	target_link_libraries(egl-query-surface pthread ${X11_X11_LIB})
 	piglit_add_executable (egl-create-pbuffer-surface egl-util.c egl-create-pbuffer-surface.c)
 	target_link_libraries(egl-create-pbuffer-surface pthread ${X11_X11_LIB})
+	piglit_add_executable (egl-create-largest-pbuffer-surface egl-util.c egl-create-largest-pbuffer-surface.c)
+	target_link_libraries(egl-create-largest-pbuffer-surface pthread ${X11_X11_LIB})
 	piglit_add_executable (egl-configless-context egl-configless-context.c)
 	target_link_libraries(egl-configless-context pthread ${X11_X11_LIB})
 	piglit_add_executable (egl-gl-colorspace egl-util.c egl-gl-colorspace.c)
diff --git a/tests/egl/egl-create-largest-pbuffer-surface.c b/tests/egl/egl-create-largest-pbuffer-surface.c
new file mode 100644
index 000000000..e486c22ea
--- /dev/null
+++ b/tests/egl/egl-create-largest-pbuffer-surface.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright © 2016 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 egl-create-largest-pbuffer-surface.c
+ *
+ * Test EGLCreatePBufferSurface behaviour with EGL_LARGEST_PBUFFER attribute.
+ *
+ * From EGL 1.5 spec:
+ *
+ *     "Use EGL_LARGEST_PBUFFER to get the largest available pbuffer when the
+ *     allocation of the pbuffer would otherwise fail."
+ */
+
+#include <limits.h>
+#include "piglit-util-gl.h"
+#include "egl-util.h"
+
+static enum piglit_result
+draw(struct egl_state *state)
+{
+	EGLSurface surf;
+	const float purple[] = {1.0, 0.0, 1.0, 1.0};
+
+	static const EGLint srfPbufferAttr[] =
+	{
+		EGL_WIDTH, INT_MAX,
+		EGL_HEIGHT, INT_MAX,
+		EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
+		EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
+		EGL_LARGEST_PBUFFER, EGL_TRUE,
+		EGL_NONE
+	};
+
+	surf = eglCreatePbufferSurface(state->egl_dpy, state->cfg,
+				       srfPbufferAttr);
+
+	if (eglGetError() != EGL_SUCCESS || surf == EGL_NO_SURFACE) {
+		fprintf(stderr, "eglCreatePbufferSurface failed\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	glEnable(GL_TEXTURE_2D);
+
+	eglMakeCurrent(state->egl_dpy, state->surf, state->surf, state->ctx);
+	glClearColor(1.0, 1.0, 1.0, 0.0);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	eglBindTexImage(state->egl_dpy, surf, EGL_BACK_BUFFER);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	glViewport(0, 0, state->width, state->height);
+	piglit_ortho_projection(state->width, state->height, GL_FALSE);
+
+	eglMakeCurrent(state->egl_dpy, surf, surf, state->ctx);
+	glClearColor(purple[0], purple[1], purple[2], purple[3]);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	eglMakeCurrent(state->egl_dpy, state->surf, state->surf, state->ctx);
+	piglit_draw_rect_tex(0, 0, state->width, state->height, 0, 0, 1, 1);
+	eglSwapBuffers(state->egl_dpy, state->surf);
+
+	if (!piglit_probe_rect_rgba(0, 0, state->width, state->height, purple))
+		piglit_report_result(PIGLIT_FAIL);
+
+	piglit_report_result(PIGLIT_PASS);
+}
+
+int
+main(int argc, char *argv[])
+{
+	struct egl_test test;
+	static const EGLint test_attribs[] =
+	{
+		EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT, EGL_NONE
+	};
+
+	egl_init_test(&test);
+	test.draw = draw;
+	test.stop_on_failure = true;
+	test.config_attribs = test_attribs;
+
+	if (egl_util_run(&test, argc, argv) != PIGLIT_PASS)
+		return EXIT_FAILURE;
+	return EXIT_SUCCESS;
+}