[Piglit] [PATCH] GL_ARB_framebuffer_object/negative-readpixels-no-rb: Test for Mesa segfault.

[Eric Anholt]

---
 tests/all.tests                                    |    1 +
 .../spec/arb_framebuffer_object/CMakeLists.gl.txt  |    1 +
 .../negative-readpixels-no-rb.c                    |   87 ++++++++++++++++++++
 3 files changed, 89 insertions(+)
 create mode 100644 tests/spec/arb_framebuffer_object/negative-readpixels-no-rb.c

diff --git a/tests/all.tests b/tests/all.tests
index 35211ce..33c3482 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -979,6 +979,7 @@ arb_framebuffer_object['FBO blit to missing attachment'] = PlainExecTest(['fbo-m
 arb_framebuffer_object['FBO blit from missing attachment'] = PlainExecTest(['fbo-missing-attachment-blit', '-auto', 'from'])
 arb_framebuffer_object['fbo-scissor-blit fbo'] = PlainExecTest(['fbo-scissor-blit', 'fbo', '-auto'])
 arb_framebuffer_object['fbo-scissor-blit window'] = PlainExecTest(['fbo-scissor-blit', 'window', '-auto'])
+arb_framebuffer_object['negative-readpixels-no-rb'] = concurrent_test('arb_framebuffer_object-negative-readpixels-no-rb')
 
 # Group ARB_framebuffer_sRGB
 arb_framebuffer_srgb = Group()
diff --git a/tests/spec/arb_framebuffer_object/CMakeLists.gl.txt b/tests/spec/arb_framebuffer_object/CMakeLists.gl.txt
index 33b09c1..9faeb8e 100644
--- a/tests/spec/arb_framebuffer_object/CMakeLists.gl.txt
+++ b/tests/spec/arb_framebuffer_object/CMakeLists.gl.txt
@@ -12,6 +12,7 @@ link_libraries (
 
 piglit_add_executable(framebuffer-blit-levels framebuffer-blit-levels.c)
 piglit_add_executable(get-renderbuffer-internalformat get-renderbuffer-internalformat.c)
+piglit_add_executable(arb_framebuffer_object-negative-readpixels-no-rb negative-readpixels-no-rb.c)
 piglit_add_executable(same-attachment-glFramebufferTexture2D-GL_DEPTH_STENCIL_ATTACHMENT same-attachment-glFramebufferTexture2D-GL_DEPTH_STENCIL_ATTACHMENT.c)
 piglit_add_executable(same-attachment-glFramebufferRenderbuffer-GL_DEPTH_STENCIL_ATTACHMENT same-attachment-glFramebufferRenderbuffer-GL_DEPTH_STENCIL_ATTACHMENT.c)
 
diff --git a/tests/spec/arb_framebuffer_object/negative-readpixels-no-rb.c b/tests/spec/arb_framebuffer_object/negative-readpixels-no-rb.c
new file mode 100644
index 0000000..ab36c3c
--- /dev/null
+++ b/tests/spec/arb_framebuffer_object/negative-readpixels-no-rb.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright © 2012 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 readpixels-no-color-buffer.c
+ *
+ * Test that glReadPixels(GL_RGBA) when there is no corresponding
+ * attachment bound correctly returns GL_INVALID_OPERATION.
+ */
+
+#include <stdio.h>
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+	config.supports_gl_core_version = 31;
+
+	config.window_width = 1;
+	config.window_height = 1;
+	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result
+piglit_display()
+{
+	/* UNREACHED */
+	return PIGLIT_FAIL;
+}
+
+static bool
+test_bad_readpixels(GLenum format, GLenum type)
+{
+	uint32_t junk[4];
+	glReadPixels(0, 0, 1, 1, format, type, junk);
+	return piglit_check_gl_error(GL_INVALID_OPERATION);
+}
+
+void piglit_init(int argc, char **argv)
+{
+	GLuint fb, rb;
+	bool pass = true;
+
+	piglit_require_extension("GL_ARB_framebuffer_object");
+
+	glGenFramebuffers(1, &fb);
+	glBindFramebuffer(GL_FRAMEBUFFER, fb);
+	glGenRenderbuffers(1, &rb);
+	glBindRenderbuffer(GL_RENDERBUFFER, rb);
+
+	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, 1, 1);
+	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+				  GL_RENDERBUFFER, rb);
+	pass = test_bad_readpixels(GL_RGBA, GL_FLOAT) && pass;
+	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+				  GL_RENDERBUFFER, 0);
+
+	glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA, 1, 1);
+	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+				  GL_RENDERBUFFER, rb);
+	pass = test_bad_readpixels(GL_DEPTH_COMPONENT, GL_FLOAT) && pass;
+	pass = test_bad_readpixels(GL_STENCIL_INDEX, GL_FLOAT) && pass;
+	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+				  GL_RENDERBUFFER, 0);
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
-- 
1.7.10.4