[Piglit] [PATCH] egl-create-pbuffer-surface: Add test for egl pbuffer surface

[Juha-Pekka Heikkila]

Test to create egl pbuffer surface, clear it with glClear, draw
it to window and read written color back.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
---
 tests/all.py                           |  1 +
 tests/egl/CMakeLists.gl.txt            |  2 +
 tests/egl/egl-create-pbuffer-surface.c | 97 ++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+)
 create mode 100644 tests/egl/egl-create-pbuffer-surface.c

diff --git a/tests/all.py b/tests/all.py
index 831af29..665c88b 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -4135,6 +4135,7 @@ egl14['eglQuerySurface EGL_BAD_SURFACE'] = plain_test('egl-query-surface --bad-s
 egl14['eglQuerySurface EGL_HEIGHT'] = plain_test('egl-query-surface --attr=EGL_HEIGHT')
 egl14['eglQuerySurface EGL_WIDTH'] = plain_test('egl-query-surface --attr=EGL_WIDTH')
 egl14['eglTerminate then unbind context'] = plain_test('egl-terminate-then-unbind-context')
+egl14['eglCreatePbufferSurface and then glClear'] = plain_test('egl-create-pbuffer-surface')
 
 egl_nok_swap_region = {}
 spec['EGL_NOK_swap_region'] = egl_nok_swap_region
diff --git a/tests/egl/CMakeLists.gl.txt b/tests/egl/CMakeLists.gl.txt
index d7f17f6..b23b96e 100644
--- a/tests/egl/CMakeLists.gl.txt
+++ b/tests/egl/CMakeLists.gl.txt
@@ -20,6 +20,8 @@ IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 	target_link_libraries(egl-create-surface pthread ${X11_X11_LIB})
 	piglit_add_executable (egl-query-surface egl-util.c egl-query-surface.c)
 	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 ${X11_X11_LIB})
 ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 
 # vim: ft=cmake:
diff --git a/tests/egl/egl-create-pbuffer-surface.c b/tests/egl/egl-create-pbuffer-surface.c
new file mode 100644
index 0000000..60c4e59
--- /dev/null
+++ b/tests/egl/egl-create-pbuffer-surface.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright © 2014 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.
+ *
+ * Author: Juha-Pekka Heikkilä <juhapekka.heikkila at gmail.com>
+ */
+
+/** @file egl-create-pbuffer-surface.c
+ *
+ * Test EGLCreatePBufferSurface behaviour.
+ */
+
+#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};
+
+   const EGLint srfPbufferAttr[] =
+   {
+      EGL_WIDTH, 256,
+      EGL_HEIGHT, 256,
+      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, 256, 256, 0, 0, 1, 1);
+   eglSwapBuffers(state->egl_dpy, state->surf);
+
+   if (!piglit_probe_rect_rgba(0, 0, 256, 256, purple))
+      piglit_report_result(PIGLIT_FAIL);
+
+   piglit_report_result(PIGLIT_PASS);
+}
+
+int
+main(int argc, char *argv[])
+{
+   struct egl_test test;
+
+   egl_init_test(&test);
+   test.draw = draw;
+   test.stop_on_failure = true;
+
+   if (egl_util_run(&test, argc, argv) != PIGLIT_PASS)
+      return EXIT_FAILURE;
+   return EXIT_SUCCESS;
+}
-- 
1.8.5.1