[Piglit] [PATCH] vbo-map-unsync: test unsynchronized buffer mapping
Brian Paul
brianp at vmware.com
Thu Nov 8 07:04:39 PST 2012
---
tests/all.tests | 1 +
tests/general/CMakeLists.gl.txt | 1 +
tests/general/vbo-map-unsync.c | 173 +++++++++++++++++++++++++++++++++++++++
3 files changed, 175 insertions(+), 0 deletions(-)
create mode 100644 tests/general/vbo-map-unsync.c
diff --git a/tests/all.tests b/tests/all.tests
index 09b0931..9db1038 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1245,6 +1245,7 @@ add_plain_test(arb_vertex_buffer_object, 'fdo31934')
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')
+add_plain_test(arb_vertex_buffer_object, 'vbo-map-unsync')
add_plain_test(arb_vertex_buffer_object, 'vbo-subdata-sync')
add_plain_test(arb_vertex_buffer_object, 'vbo-subdata-zero')
diff --git a/tests/general/CMakeLists.gl.txt b/tests/general/CMakeLists.gl.txt
index 171b3f1..a9c2193 100644
--- a/tests/general/CMakeLists.gl.txt
+++ b/tests/general/CMakeLists.gl.txt
@@ -124,6 +124,7 @@ piglit_add_executable (vao-01 vao-01.c)
piglit_add_executable (vao-02 vao-02.c)
piglit_add_executable (vao-element-array-buffer vao-element-array-buffer.c)
piglit_add_executable (vbo-map-remap vbo-map-remap.c)
+piglit_add_executable (vbo-map-unsync vbo-map-unsync.c)
piglit_add_executable (vbo-bufferdata vbo-bufferdata.c)
piglit_add_executable (vbo-subdata-zero vbo-subdata-zero.c)
piglit_add_executable (vbo-subdata-sync vbo-subdata-sync.c)
diff --git a/tests/general/vbo-map-unsync.c b/tests/general/vbo-map-unsync.c
new file mode 100644
index 0000000..92dfe85
--- /dev/null
+++ b/tests/general/vbo-map-unsync.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright © 2012 VMware, Inc.
+ *
+ * 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.
+ */
+
+/**
+ * Test mapping VBOs with GL_MAP_UNSYNCHRONIZED_BIT.
+ * This could cause a driver crash if there's a bug in the driver.
+ *
+ * Based on a test program by Keith Whitwell, modified by Thomas Hellstrom.
+ */
+
+
+#include "piglit-util-gl-common.h"
+
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+ config.supports_gl_compat_version = 10;
+ config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+PIGLIT_GL_TEST_CONFIG_END
+
+
+static const struct {
+ GLfloat pos[3];
+ GLubyte color[4];
+} verts[] =
+{
+ {
+ { 1.0, -1.0, 0.0 },
+ { 0x00, 0x00, 0xff, 0x00 }
+ },
+
+ {
+ { 1.0, 1.0, 0.0 },
+ { 0x00, 0xff, 0x00, 0x00 }
+ },
+
+ {
+ { -1.0, 1.0, 0.0 },
+ { 0xff, 0x00, 0x00, 0x00 }
+ },
+
+ {
+ { -1.0, -1.0, 0.0 },
+ { 0xff, 0xff, 0xff, 0x00 }
+ },
+};
+
+static const GLuint indices[] = { 0, 1, 2, 3 };
+static const GLuint indices2[] = { 0, 2, 3 };
+
+static GLuint arrayObj, elementObj;
+
+static const float red[4] = {1, 0, 0, 0};
+static const float green[4] = {0, 1, 0, 0};
+static const float blue[4] = {0, 0, 1, 0};
+static const float white[4] = {1, 1, 1, 0};
+
+
+void
+piglit_init(int arg, char *argv[])
+{
+ glGenBuffersARB(1, &arrayObj);
+ glGenBuffersARB(1, &elementObj);
+}
+
+
+enum piglit_result
+piglit_display(void)
+{
+ int vstride = sizeof(verts[0]);
+ int voffset1 = 0;
+ int voffset2 = sizeof(verts);
+ int coffset1 = 3 * sizeof(float);
+ int coffset2 = voffset2 + coffset1;
+ bool pass = true;
+ void *verts_map;
+ void *elems_map;
+
+ glViewport(0, 0, piglit_width, piglit_height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.1, 1.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ /* Create empty vertex, index buffers. The vertex buffer is large
+ * enough to store two of the vertex arrays defined above.
+ */
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
+ glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementObj);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, 2 * sizeof(verts),
+ NULL, GL_STATIC_DRAW_ARB);
+ glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, sizeof(indices),
+ NULL, GL_STATIC_DRAW_ARB);
+
+ /* Map first half of vertex buffer */
+ verts_map = glMapBufferRange(GL_ARRAY_BUFFER_ARB,
+ 0, sizeof(verts),
+ GL_MAP_WRITE_BIT |
+ GL_MAP_INVALIDATE_BUFFER_BIT |
+ GL_MAP_FLUSH_EXPLICIT_BIT);
+ elems_map = glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
+ GL_WRITE_ONLY_ARB);
+
+ memcpy(verts_map, verts, sizeof(verts));
+ memcpy(elems_map, indices, sizeof(indices));
+ glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
+ glFlushMappedBufferRange(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts));
+ glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
+
+ /* Draw first triangle: upper-right half of window */
+ glVertexPointer(3, GL_FLOAT, vstride, (void *) voffset1);
+ glColorPointer(4, GL_UNSIGNED_BYTE, vstride, (void *) coffset1);
+
+ glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL);
+
+
+ /* Map second half of vertex buffer */
+ verts_map = glMapBufferRange(GL_ARRAY_BUFFER_ARB,
+ sizeof(verts), sizeof(verts),
+ GL_MAP_WRITE_BIT |
+ GL_MAP_INVALIDATE_RANGE_BIT |
+ GL_MAP_UNSYNCHRONIZED_BIT |
+ GL_MAP_FLUSH_EXPLICIT_BIT);
+ elems_map = glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
+ GL_WRITE_ONLY_ARB);
+ memcpy(verts_map, verts, sizeof(verts));
+ memcpy(elems_map, indices2, sizeof(indices2));
+ glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
+ glFlushMappedBufferRange(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts));
+ glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
+
+ /* Draw second triangle: lower-left half of window */
+ glVertexPointer(3, GL_FLOAT, vstride, (void *) voffset2);
+ glColorPointer(4, GL_UNSIGNED_BYTE, vstride, (void *) coffset2);
+
+ glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL);
+
+ /* check corner colors */
+ pass = piglit_probe_pixel_rgb(0, 0, white) && pass;
+ pass = piglit_probe_pixel_rgb(piglit_width-1, 0, blue) && pass;
+ pass = piglit_probe_pixel_rgb(piglit_width-1, piglit_height-1,
+ green) && pass;
+ pass = piglit_probe_pixel_rgb(0, piglit_height-1, red) && pass;
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
--
1.7.3.4
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