[Piglit] [PATCH 4/8] GL_ARB_vertex_buffer_object: Test for glBufferSubData() on index buffers.

[Eric Anholt]

We already have one for VBOs under general/
---
 tests/all.tests                                    |  1 +
 .../arb_vertex_buffer_object/CMakeLists.gl.txt     |  1 +
 .../arb_vertex_buffer_object/ib-subdata-sync.c     | 84 ++++++++++++++++++++++
 3 files changed, 86 insertions(+)
 create mode 100644 tests/spec/arb_vertex_buffer_object/ib-subdata-sync.c

diff --git a/tests/all.tests b/tests/all.tests
index dfb3b79..8b276c2 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1586,6 +1586,7 @@ arb_vertex_buffer_object['mixed-immediate-and-vbo'] = PlainExecTest(['arb_vertex
 add_plain_test(arb_vertex_buffer_object, 'fdo14575')
 add_plain_test(arb_vertex_buffer_object, 'fdo22540')
 add_plain_test(arb_vertex_buffer_object, 'fdo31934')
+arb_vertex_buffer_object['ib-subdata-sync'] = concurrent_test('arb_vertex_buffer_object-ib-subdata-sync')
 add_plain_test(arb_vertex_buffer_object, 'pos-array')
 add_plain_test(arb_vertex_buffer_object, 'vbo-bufferdata')
 add_plain_test(arb_vertex_buffer_object, 'vbo-map-remap')
diff --git a/tests/spec/arb_vertex_buffer_object/CMakeLists.gl.txt b/tests/spec/arb_vertex_buffer_object/CMakeLists.gl.txt
index dacce87..9346dfb 100644
--- a/tests/spec/arb_vertex_buffer_object/CMakeLists.gl.txt
+++ b/tests/spec/arb_vertex_buffer_object/CMakeLists.gl.txt
@@ -11,5 +11,6 @@ link_libraries (
 
 piglit_add_executable (arb_vertex_buffer_object-elements-negative-offset elements-negative-offset.c)
 piglit_add_executable (arb_vertex_buffer_object-mixed-immediate-and-vbo mixed-immediate-and-vbo.c)
+piglit_add_executable (arb_vertex_buffer_object-ib-subdata-sync ib-subdata-sync.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/arb_vertex_buffer_object/ib-subdata-sync.c b/tests/spec/arb_vertex_buffer_object/ib-subdata-sync.c
new file mode 100644
index 0000000..019d745
--- /dev/null
+++ b/tests/spec/arb_vertex_buffer_object/ib-subdata-sync.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright © 2013 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.
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+
+	config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result
+piglit_display(void)
+{
+	float verts[] = {
+		-1, -1,
+		 0, -1,
+		 0,  1,
+		-1,  1,
+
+		 0, -1,
+		 1, -1,
+		 1,  1,
+		 0,  1,
+	};
+	uint32_t ib_1[] = {0, 1, 2, 3};
+	uint32_t ib_2[] = {4, 5, 6, 7};
+
+	bool pass = true;
+	size_t size = sizeof(ib_1);
+	GLuint vbo, ibo;
+	float green[] = {0, 1, 0, 0};
+
+	glColor4fv(green);
+
+	glGenBuffersARB(1, &vbo);
+	glBindBufferARB(GL_ARRAY_BUFFER, vbo);
+	glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, GL_STREAM_DRAW);
+	glEnableClientState(GL_VERTEX_ARRAY);
+	glVertexPointer(2, GL_FLOAT, 0, NULL);
+
+	glGenBuffersARB(1, &ibo);
+	glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, ibo);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, 4096, NULL, GL_STREAM_DRAW);
+
+	glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, size, ib_1);
+	glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_INT, NULL);
+	glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, size, ib_2);
+	glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_INT, NULL);
+
+	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height, green);
+
+	piglit_present_results();
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char *argv[])
+{
+	piglit_require_extension("GL_ARB_vertex_buffer_object");
+}
-- 
1.8.4.rc3