[Piglit] [PATCH] fbo-blit-check-limits: New test

[Vadym Shovkoplias]

This test checks max possible blit buffers sizes

Signed-off-by: Vadym Shovkoplias <vadym.shovkoplias at globallogic.com>
---
 tests/fbo/CMakeLists.gl.txt       |  1 +
 tests/fbo/fbo-blit-check-limits.c | 82 +++++++++++++++++++++++++++++++
 tests/opengl.py                   |  1 +
 3 files changed, 84 insertions(+)
 create mode 100644 tests/fbo/fbo-blit-check-limits.c

diff --git a/tests/fbo/CMakeLists.gl.txt b/tests/fbo/CMakeLists.gl.txt
index d594c24d3..6e58adca4 100644
--- a/tests/fbo/CMakeLists.gl.txt
+++ b/tests/fbo/CMakeLists.gl.txt
@@ -90,6 +90,7 @@ piglit_add_executable (fbo-storage-formats fbo-storage-formats.c)
 piglit_add_executable (fbo-storage-completeness fbo-storage-completeness.c)
 piglit_add_executable (fbo-sys-blit fbo-sys-blit.c)
 piglit_add_executable (fbo-sys-sub-blit fbo-sys-sub-blit.c)
+piglit_add_executable (fbo-blit-check-limits fbo-blit-check-limits.c)
 piglit_add_executable (fbo-tex-rgbx fbo-tex-rgbx.c)
 piglit_add_executable (fbo-pbo-readpixels-small fbo-pbo-readpixels-small.c)
 piglit_add_executable (fbo-copyteximage fbo-copyteximage.c)
diff --git a/tests/fbo/fbo-blit-check-limits.c b/tests/fbo/fbo-blit-check-limits.c
new file mode 100644
index 000000000..8190b00b9
--- /dev/null
+++ b/tests/fbo/fbo-blit-check-limits.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2018
+ *
+ * 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 fbo-blit-check-limits.c
+ *
+ * Test FBO blits wit MAX possible buffer sizes
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+
+	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB;
+	config.requires_displayed_window = true;
+	config.khr_no_error_support = PIGLIT_NO_ERRORS;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result piglit_display(void)
+{
+	const float green[] = {0.0f, 1.0f, 0.0f};
+	int w = piglit_width;
+	int h = piglit_height;
+	bool success = 1;
+
+	glDrawBuffer(GL_BACK);
+	/* back buffer green */
+	glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+        glDrawBuffer(GL_FRONT);
+	/* front buffer red */
+	glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glReadBuffer(GL_BACK);
+
+	glBlitFramebufferEXT(INT_MIN, INT_MIN, INT_MAX, INT_MAX,
+			     INT_MIN, INT_MIN, INT_MAX, INT_MAX,
+			     GL_COLOR_BUFFER_BIT, GL_NEAREST);
+
+	glReadBuffer(GL_FRONT);
+
+	/* the corners should be green */
+	success &= piglit_probe_pixel_rgb(0, 0, green);
+	success &= piglit_probe_pixel_rgb(w - 1, 0, green);
+	success &= piglit_probe_pixel_rgb(0, h - 1, green);
+	success &= piglit_probe_pixel_rgb(w - 1, h - 1, green);
+
+	glFlush();
+
+	return success ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+void piglit_init(int argc, char **argv)
+{
+	piglit_require_extension("GL_EXT_framebuffer_object");
+	piglit_require_extension("GL_EXT_framebuffer_blit");
+}
diff --git a/tests/opengl.py b/tests/opengl.py
index c599eb180..7320557c1 100644
--- a/tests/opengl.py
+++ b/tests/opengl.py
@@ -2776,6 +2776,7 @@ with profile.test_list.group_manager(
     g(['fbo-readdrawpix'], run_concurrent=False)
     g(['fbo-sys-blit'], run_concurrent=False)
     g(['fbo-sys-sub-blit'], run_concurrent=False)
+    g(['fbo-blit-check-limits'], run_concurrent=False)
     g(['fbo-generatemipmap-versus-READ_FRAMEBUFFER'])
 
 with profile.test_list.group_manager(
-- 
2.18.0