[Piglit] [PATCH] arb_texture_view: add simple test for rendering to R32UI texture view

[Józef Kucia]

This test exposes a Radeonsi driver bug.

The test works on Nvidia binary driver and Mesa Intel (Broadwell).
It fails on Radeonsi with Cape Verde GPU.
---
 tests/all.py                                  |   1 +
 tests/spec/arb_texture_view/CMakeLists.gl.txt |   1 +
 tests/spec/arb_texture_view/rendering-r32ui.c | 101 ++++++++++++++++++++++++++
 3 files changed, 103 insertions(+)
 create mode 100644 tests/spec/arb_texture_view/rendering-r32ui.c

diff --git a/tests/all.py b/tests/all.py
index 38aabc1..f0a7c05 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -2613,6 +2613,7 @@ with profile.test_list.group_manager(
     g(['arb_texture_view-rendering-levels'], 'rendering-levels')
     g(['arb_texture_view-rendering-layers'], 'rendering-layers')
     g(['arb_texture_view-rendering-formats'], 'rendering-formats')
+    g(['arb_texture_view-rendering-r32ui'], 'rendering-r32ui')
     g(['arb_texture_view-lifetime-format'], 'lifetime-format')
     g(['arb_texture_view-getteximage-srgb'], 'getteximage-srgb')
     g(['arb_texture_view-texsubimage-levels'], 'texsubimage-levels')
diff --git a/tests/spec/arb_texture_view/CMakeLists.gl.txt b/tests/spec/arb_texture_view/CMakeLists.gl.txt
index 47b3320..39330da 100644
--- a/tests/spec/arb_texture_view/CMakeLists.gl.txt
+++ b/tests/spec/arb_texture_view/CMakeLists.gl.txt
@@ -23,6 +23,7 @@ piglit_add_executable(arb_texture_view-queries queries.c)
 piglit_add_executable(arb_texture_view-rendering-formats rendering-formats.c)
 piglit_add_executable(arb_texture_view-rendering-layers rendering_layers.c common.c)
 piglit_add_executable(arb_texture_view-rendering-levels rendering_levels.c common.c)
+piglit_add_executable(arb_texture_view-rendering-r32ui rendering-r32ui.c)
 piglit_add_executable(arb_texture_view-rendering-target rendering_target.c common.c)
 piglit_add_executable(arb_texture_view-sampling-2d-array-as-2d-layer sampling-2d-array-as-2d-layer.c)
 piglit_add_executable(arb_texture_view-sampling-2d-array-as-cubemap-array sampling-2d-array-as-cubemap-array.c)
diff --git a/tests/spec/arb_texture_view/rendering-r32ui.c b/tests/spec/arb_texture_view/rendering-r32ui.c
new file mode 100644
index 0000000..4a4037b
--- /dev/null
+++ b/tests/spec/arb_texture_view/rendering-r32ui.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2017 Józef Kucia <joseph.kucia at gmail.com>
+ *
+ * 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 rendering-r32ui.c
+ * Exercises a Radeonsi bug.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+config.supports_gl_compat_version = 30;
+config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vs =
+	"#version 130\n"
+	"void main() { \n"
+	"	gl_Position = gl_Vertex;\n"
+	"}\n";
+
+static const char *ps =
+	"#version 130\n"
+	"out uvec4 color;\n"
+	"void main() {\n"
+	"	color = uvec4(0xff, 0, 0, 0);\n"
+	"}\n";
+
+#define TEX_SIZE 64
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	GLuint tex, view, framebuffer, prog;
+	GLuint data[TEX_SIZE * TEX_SIZE];
+	bool pass = true;
+
+	piglit_require_gl_version(30);
+	piglit_require_extension("GL_ARB_texture_view");
+
+	glGenTextures(1, &tex);
+	glBindTexture(GL_TEXTURE_2D, tex);
+	glTexStorage2D(GL_TEXTURE_2D, 1, GL_R32F, TEX_SIZE, TEX_SIZE);
+
+	glGenTextures(1, &view);
+	glTextureView(view, GL_TEXTURE_2D, tex, GL_R32UI, 0, 1, 0, 1);
+
+	glGenFramebuffers(1, &framebuffer);
+	glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
+	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+			       GL_TEXTURE_2D, view, 0);
+
+	prog = piglit_build_simple_program(vs, ps);
+	glUseProgram(prog);
+
+	piglit_draw_rect(-1, -1, 2, 2);
+
+	glBindTexture(GL_TEXTURE_2D, view);
+	glGetTexImage(GL_TEXTURE_2D, 0, GL_RED_INTEGER, GL_UNSIGNED_INT,
+		      data);
+	if (data[0] != 0xff) {
+		printf("Got value %#x\n", data[0]);
+		pass = false;
+	}
+
+	glDeleteTextures(1, &view);
+	glDeleteTextures(1, &tex);
+	glDeleteFramebuffers(1, &framebuffer);
+	glDeleteProgram(prog);
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
-- 
2.10.2