Use glClearBufferData to clear a buffer with all supported internal formats.

Signed-off-by: Fabian Bieler <[email protected]>
---
 tests/all.py                                       |   4 +
 tests/spec/CMakeLists.txt                          |   1 +
 .../spec/arb_clear_buffer_object/CMakeLists.gl.txt |  13 ++
 tests/spec/arb_clear_buffer_object/CMakeLists.txt  |   1 +
 tests/spec/arb_clear_buffer_object/common.c        |  94 ++++++++
 tests/spec/arb_clear_buffer_object/common.h        |  12 +
 tests/spec/arb_clear_buffer_object/formats.c       | 246 +++++++++++++++++++++
 7 files changed, 371 insertions(+)
 create mode 100644 tests/spec/arb_clear_buffer_object/CMakeLists.gl.txt
 create mode 100644 tests/spec/arb_clear_buffer_object/CMakeLists.txt
 create mode 100644 tests/spec/arb_clear_buffer_object/common.c
 create mode 100644 tests/spec/arb_clear_buffer_object/common.h
 create mode 100644 tests/spec/arb_clear_buffer_object/formats.c

diff --git a/tests/all.py b/tests/all.py
index 9331558..1f68a01 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -3044,6 +3044,10 @@ 
import_glsl_parser_tests(spec['OES_standard_derivatives'],
                         os.path.join(testsDir, 'spec', 
'oes_standard_derivatives'),
                         ['compiler'])
 
+arb_clear_buffer_object = Group()
+spec['ARB_clear_buffer_object'] = arb_clear_buffer_object
+add_concurrent_test(arb_clear_buffer_object, 'arb_clear_buffer_object-formats')
+
 arb_copy_buffer = Group()
 spec['ARB_copy_buffer'] = arb_copy_buffer
 add_plain_test(arb_copy_buffer, 'copy_buffer_coherency')
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index c83a64b..0e87e73 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -1,6 +1,7 @@
 add_subdirectory (amd_performance_monitor)
 add_subdirectory (arb_base_instance)
 add_subdirectory (arb_buffer_storage)
+add_subdirectory (arb_clear_buffer_object)
 add_subdirectory (arb_color_buffer_float)
 add_subdirectory (arb_compute_shader)
 add_subdirectory (arb_debug_output)
diff --git a/tests/spec/arb_clear_buffer_object/CMakeLists.gl.txt 
b/tests/spec/arb_clear_buffer_object/CMakeLists.gl.txt
new file mode 100644
index 0000000..5082843
--- /dev/null
+++ b/tests/spec/arb_clear_buffer_object/CMakeLists.gl.txt
@@ -0,0 +1,13 @@
+include_directories(
+       ${GLEXT_INCLUDE_DIR}
+       ${OPENGL_INCLUDE_PATH}
+)
+
+link_libraries (
+       piglitutil_${piglit_target_api}
+       ${OPENGL_gl_LIBRARY}
+)
+
+piglit_add_executable (arb_clear_buffer_object-formats formats.c common.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/arb_clear_buffer_object/CMakeLists.txt 
b/tests/spec/arb_clear_buffer_object/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/arb_clear_buffer_object/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/arb_clear_buffer_object/common.c 
b/tests/spec/arb_clear_buffer_object/common.c
new file mode 100644
index 0000000..15149b0
--- /dev/null
+++ b/tests/spec/arb_clear_buffer_object/common.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright © 2014 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 common.c
+ *
+ * Common routines to fill or check array buffer data.
+ */
+
+#include "piglit-util-gl-common.h"
+
+/* Check that the range of ARRAY_BUFFER specified with <ofs> and <length>
+ * is filled with chunks of data of length <expected_data_size>.
+ */
+bool
+check_array_buffer_sub_data(const int ofs, const int length,
+               const int expected_data_size, const void *const expected_data)
+{
+       bool pass = true;
+       int i;
+       int buffer_size;
+       void *buffer_data = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_ONLY);
+       glGetBufferParameteriv(GL_ARRAY_BUFFER, GL_BUFFER_SIZE, &buffer_size);
+
+       assert(length % expected_data_size == 0);
+
+       assert(ofs >= 0);
+       assert(length >= 0);
+       assert(ofs + length <= buffer_size);
+
+       for (i = ofs; i < ofs + length; i += expected_data_size) {
+               pass = memcmp(buffer_data + i, expected_data,
+                               expected_data_size) == 0 && pass;
+       }
+
+       glUnmapBuffer(GL_ARRAY_BUFFER);
+
+       return pass;
+}
+
+
+/* As above, but for entire buffer. */
+bool
+check_array_buffer_data(const int expected_data_size,
+               const void *const expected_data)
+{
+       int buffer_size;
+       glGetBufferParameteriv(GL_ARRAY_BUFFER, GL_BUFFER_SIZE, &buffer_size);
+
+       return check_array_buffer_sub_data(0, buffer_size, expected_data_size,
+                       expected_data);
+}
+
+/* Fill the entire ARRAY_BUFFER with chunks of data of <data_size> length.
+ */
+void
+fill_array_buffer(const int data_size, const void *const data)
+{
+       int i;
+       int buffer_size;
+       void *buffer_data = glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
+       glGetBufferParameteriv(GL_ARRAY_BUFFER, GL_BUFFER_SIZE, &buffer_size);
+
+       assert (buffer_size % data_size == 0);
+
+       for (i = 0; i < buffer_size; i += data_size) {
+               memcpy(buffer_data + i, data, data_size);
+       }
+
+       glUnmapBuffer(GL_ARRAY_BUFFER);
+}
+
+
+
diff --git a/tests/spec/arb_clear_buffer_object/common.h 
b/tests/spec/arb_clear_buffer_object/common.h
new file mode 100644
index 0000000..b6b9f8b
--- /dev/null
+++ b/tests/spec/arb_clear_buffer_object/common.h
@@ -0,0 +1,12 @@
+
+bool
+check_array_buffer_sub_data(const int ofs, const int length,
+               const int expected_data_size, const void *const expected_data);
+
+bool
+check_array_buffer_data(const int expected_data_size,
+               const void *const expected_data);
+
+void
+fill_array_buffer(const int data_size, const void *const data);
+
diff --git a/tests/spec/arb_clear_buffer_object/formats.c 
b/tests/spec/arb_clear_buffer_object/formats.c
new file mode 100644
index 0000000..4d2d872
--- /dev/null
+++ b/tests/spec/arb_clear_buffer_object/formats.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright © 2014 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 formats.c
+ *
+ * Test clearing the entire buffer with multiple internal formats. Pass the 
data
+ * to clear the buffer with in a format so that the GL doesn't have to do any
+ * format conversion.
+ */
+
+#include "piglit-util-gl-common.h"
+#include "common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+       config.supports_gl_compat_version = 15;
+       config.supports_gl_core_version = 31;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result
+piglit_display(void)
+{
+       return PIGLIT_PASS;
+}
+
+static const struct {
+       GLenum internal_format;
+       GLenum format;
+       GLenum type;
+
+       int size;
+       bool core_profile;
+       const char *ext[3];
+} formats[] = {
+/*     internal_format                 format                          type    
                size    core    extensions      */
+       {GL_ALPHA8,                     GL_ALPHA,                       
GL_UNSIGNED_BYTE,       1,      false,  {NULL,  NULL,   NULL}},
+       {GL_ALPHA16,                    GL_ALPHA,                       
GL_UNSIGNED_SHORT,      2,      false,  {NULL,  NULL,   NULL}},
+       {GL_LUMINANCE8,                 GL_LUMINANCE,                   
GL_UNSIGNED_BYTE,       1,      false,  {NULL,  NULL,   NULL}},
+       {GL_LUMINANCE16,                GL_LUMINANCE,                   
GL_UNSIGNED_SHORT,      2,      false,  {NULL,  NULL,   NULL}},
+       {GL_LUMINANCE8_ALPHA8,          GL_LUMINANCE_ALPHA,             
GL_UNSIGNED_BYTE,       2,      false,  {NULL,  NULL,   NULL}},
+       {GL_LUMINANCE16_ALPHA16,        GL_LUMINANCE_ALPHA,             
GL_UNSIGNED_SHORT,      4,      false,  {NULL,  NULL,   NULL}},
+       {GL_INTENSITY8,                 GL_INTENSITY,                   
GL_UNSIGNED_BYTE,       1,      false,  {NULL,  NULL,   NULL}},
+       {GL_INTENSITY16,                GL_INTENSITY,                   
GL_UNSIGNED_SHORT,      2,      false,  {NULL,  NULL,   NULL}},
+       {GL_RGBA8,                      GL_RGBA,                        
GL_UNSIGNED_BYTE,       4,      true,   {NULL,  NULL,   NULL}},
+       {GL_RGBA16,                     GL_RGBA,                        
GL_UNSIGNED_SHORT,      8,      true,   {NULL,  NULL,   NULL}},
+/* texture_float */
+       {GL_ALPHA32F_ARB,               GL_ALPHA,                       
GL_FLOAT,               4,      false,  {NULL,  "GL_ARB_texture_float", NULL}},
+       {GL_LUMINANCE32F_ARB,           GL_LUMINANCE_INTEGER_EXT,       
GL_FLOAT,               4,      false,  {NULL,  "GL_ARB_texture_float", NULL}},
+       {GL_LUMINANCE_ALPHA32F_ARB,     GL_LUMINANCE_ALPHA,             
GL_FLOAT,               8,      false,  {NULL,  "GL_ARB_texture_float", NULL}},
+       {GL_INTENSITY32F_ARB,           GL_INTENSITY,                   
GL_FLOAT,               4,      false,  {NULL,  "GL_ARB_texture_float", NULL}},
+       {GL_RGB32F,                     GL_RGB,                         
GL_FLOAT,               12,     true,   {NULL,  "GL_ARB_texture_float", NULL}},
+       {GL_RGBA32F_ARB,                GL_RGBA,                        
GL_FLOAT,               16,     true,   {NULL,  "GL_ARB_texture_float", NULL}},
+/* texture_half_float */
+       {GL_ALPHA16F_ARB,               GL_ALPHA,                       
GL_HALF_FLOAT,          2,      false,  {NULL,  "GL_ARB_texture_float", 
"GL_ARB_half_float_pixel"}},
+       {GL_LUMINANCE16F_ARB,           GL_LUMINANCE_INTEGER_EXT,       
GL_HALF_FLOAT,          2,      false,  {NULL,  "GL_ARB_texture_float", 
"GL_ARB_half_float_pixel"}},
+       {GL_LUMINANCE_ALPHA16F_ARB,     GL_LUMINANCE_ALPHA,             
GL_HALF_FLOAT,          4,      false,  {NULL,  "GL_ARB_texture_float", 
"GL_ARB_half_float_pixel"}},
+       {GL_INTENSITY16F_ARB,           GL_INTENSITY,                   
GL_HALF_FLOAT,          2,      false,  {NULL,  "GL_ARB_texture_float", 
"GL_ARB_half_float_pixel"}},
+       {GL_RGBA16F_ARB,                GL_RGBA,                        
GL_HALF_FLOAT,          8,      true,   {NULL,  "GL_ARB_texture_float", 
"GL_ARB_half_float_pixel"}},
+/* texture_integer */
+       {GL_ALPHA8I_EXT,                GL_ALPHA_INTEGER,               
GL_BYTE,                1,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_ALPHA16I_EXT,               GL_ALPHA_INTEGER,               
GL_SHORT,               2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_ALPHA32I_EXT,               GL_ALPHA_INTEGER,               GL_INT, 
                4,      false,  {NULL,  "GL_EXT_texture_integer",       NULL}},
+       {GL_ALPHA8UI_EXT,               GL_ALPHA_INTEGER,               
GL_UNSIGNED_BYTE,       1,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_ALPHA16UI_EXT,              GL_ALPHA_INTEGER,               
GL_UNSIGNED_SHORT,      2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_ALPHA32UI_EXT,              GL_ALPHA_INTEGER,               
GL_UNSIGNED_INT,        4,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+
+       {GL_LUMINANCE8I_EXT,            GL_LUMINANCE_INTEGER_EXT,       
GL_BYTE,                1,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE16I_EXT,           GL_LUMINANCE_INTEGER_EXT,       
GL_SHORT,               2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE32I_EXT,           GL_LUMINANCE_INTEGER_EXT,       GL_INT, 
                4,      false,  {NULL,  "GL_EXT_texture_integer",       NULL}},
+       {GL_LUMINANCE8UI_EXT,           GL_LUMINANCE_INTEGER_EXT,       
GL_UNSIGNED_BYTE,       1,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE16UI_EXT,          GL_LUMINANCE_INTEGER_EXT,       
GL_UNSIGNED_SHORT,      2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE32UI_EXT,          GL_LUMINANCE_INTEGER_EXT,       
GL_UNSIGNED_INT,        4,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+
+       {GL_LUMINANCE_ALPHA8I_EXT,      GL_LUMINANCE_ALPHA_INTEGER_EXT, 
GL_BYTE,                2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE_ALPHA16I_EXT,     GL_LUMINANCE_ALPHA_INTEGER_EXT, 
GL_SHORT,               4,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE_ALPHA32I_EXT,     GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_INT, 
                8,      false,  {NULL,  "GL_EXT_texture_integer",       NULL}},
+       {GL_LUMINANCE_ALPHA8UI_EXT,     GL_LUMINANCE_ALPHA_INTEGER_EXT, 
GL_UNSIGNED_BYTE,       2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE_ALPHA16UI_EXT,    GL_LUMINANCE_ALPHA_INTEGER_EXT, 
GL_UNSIGNED_SHORT,      4,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_LUMINANCE_ALPHA32UI_EXT,    GL_LUMINANCE_ALPHA_INTEGER_EXT, 
GL_UNSIGNED_INT,        8,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+
+       {GL_INTENSITY8I_EXT,            GL_RED_INTEGER,                 
GL_BYTE,                1,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_INTENSITY16I_EXT,           GL_RED_INTEGER,                 
GL_SHORT        ,       2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_INTENSITY32I_EXT,           GL_RED_INTEGER,                 GL_INT, 
                4,      false,  {NULL,  "GL_EXT_texture_integer",       NULL}},
+       {GL_INTENSITY8UI_EXT,           GL_RED_INTEGER,                 
GL_UNSIGNED_BYTE,       1,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_INTENSITY16UI_EXT,          GL_RED_INTEGER,                 
GL_UNSIGNED_SHORT,      2,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_INTENSITY32UI_EXT,          GL_RED_INTEGER,                 
GL_UNSIGNED_INT,        4,      false,  {NULL,  "GL_EXT_texture_integer",       
NULL}},
+
+       {GL_RGB32I,                     GL_RGB_INTEGER,                 GL_INT, 
                12,     true,   {NULL,  "GL_EXT_texture_integer",       NULL}},
+       {GL_RGB32UI,                    GL_RGB_INTEGER,                 
GL_UNSIGNED_INT,        12,     true,   {NULL,  "GL_EXT_texture_integer",       
NULL}},
+
+       {GL_RGBA8I_EXT,                 GL_RGBA_INTEGER,                
GL_BYTE,                4,      true,   {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_RGBA16I_EXT,                GL_RGBA_INTEGER,                
GL_SHORT,               8,      true,   {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_RGBA32I_EXT,                GL_RGBA_INTEGER,                GL_INT, 
                16,     true,   {NULL,  "GL_EXT_texture_integer",       NULL}},
+       {GL_RGBA8UI_EXT,                GL_RGBA_INTEGER,                
GL_UNSIGNED_BYTE,       4,      true,   {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_RGBA16UI_EXT,               GL_RGBA_INTEGER,                
GL_UNSIGNED_SHORT,      8,      true,   {NULL,  "GL_EXT_texture_integer",       
NULL}},
+       {GL_RGBA32UI_EXT,               GL_RGBA_INTEGER,                
GL_UNSIGNED_INT,        16,     true,   {NULL,  "GL_EXT_texture_integer",       
NULL}},
+/* texture_rg */
+       {GL_R8,                         GL_RED,                         
GL_UNSIGNED_BYTE,       1,      true,   {"GL_ARB_texture_rg",   NULL,           
                NULL}},
+       {GL_R16,                        GL_RED,                         
GL_UNSIGNED_SHORT,      2,      true,   {"GL_ARB_texture_rg",   NULL,           
                NULL}},
+       {GL_R16F,                       GL_RED,                         
GL_HALF_FLOAT,          2,      true,   {"GL_ARB_texture_rg",   
"GL_ARB_texture_float",         "GL_ARB_half_float_pixel"}},
+       {GL_R32F,                       GL_RED,                         
GL_FLOAT,               4,      true,   {"GL_ARB_texture_rg",   
"GL_ARB_texture_float",         NULL}},
+       {GL_R8I,                        GL_RED_INTEGER,                 
GL_BYTE,                1,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_R16I,                       GL_RED_INTEGER,                 
GL_SHORT,               2,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_R32I,                       GL_RED_INTEGER,                 GL_INT, 
                4,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_R8UI,                       GL_RED_INTEGER,                 
GL_UNSIGNED_BYTE,       1,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_R16UI,                      GL_RED_INTEGER,                 
GL_UNSIGNED_SHORT,      2,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_R32UI,                      GL_RED_INTEGER,                 
GL_UNSIGNED_INT,        4,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+
+       {GL_RG8,                        GL_RG,                          
GL_UNSIGNED_BYTE,       2,      true,   {"GL_ARB_texture_rg",   NULL,           
                NULL}},
+       {GL_RG16,                       GL_RG,                          
GL_UNSIGNED_SHORT,      4,      true,   {"GL_ARB_texture_rg",   NULL,           
                NULL}},
+       {GL_RG16F,                      GL_RG,                          
GL_HALF_FLOAT,          4,      true,   {"GL_ARB_texture_rg",   
"GL_ARB_texture_float",         "GL_ARB_half_float_pixel"}},
+       {GL_RG32F,                      GL_RG,                          
GL_FLOAT,               8,      true,   {"GL_ARB_texture_rg",   
"GL_ARB_texture_float",         NULL}},
+       {GL_RG8I,                       GL_RG_INTEGER,                  
GL_BYTE,                2,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_RG16I,                      GL_RG_INTEGER,                  
GL_SHORT,               4,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_RG32I,                      GL_RG_INTEGER,                  GL_INT, 
                8,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_RG8UI,                      GL_RG_INTEGER,                  
GL_UNSIGNED_BYTE,       2,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_RG16UI,                     GL_RG_INTEGER,                  
GL_UNSIGNED_SHORT,      4,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+       {GL_RG32UI,                     GL_RG_INTEGER,                  
GL_UNSIGNED_INT,        8,      true,   {"GL_ARB_texture_rg",   
"GL_EXT_texture_integer",       NULL}},
+};
+
+static bool
+test_format(const int i)
+{
+       static const char *const data_7f   = "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f"
+                                            "\x7f\x7f\x7f\x7f";
+       static const char *const data_init = "\xff\xff\xff\xff"
+                                            "\xff\xff\xff\xff"
+                                            "\x00\x00\x00\x00"
+                                            "\x00\x00\x00\x00"
+                                            "\x55\x55\x55\x55"
+                                            "\x55\x55\x55\x55"
+                                            "\xaa\xaa\xaa\xaa"
+                                            "\xaa\xaa\xaa\xaa"
+                                            "\xff\x00\xff\x00"
+                                            "\xff\x00\xff\x00"
+                                            "\x00\xff\x00\xff"
+                                            "\x00\xff\x00\xff"
+                                            "\x91\xcc\x45\x36"
+                                            "\xd3\xe4\xe3\x5b"
+                                            "\x79\x1e\x21\x39"
+                                            "\xa8\xfa\x69\x6a";
+
+
+       if (piglit_is_core_profile && !formats[i].core_profile)
+               return true;
+       /* All required extensions are included in GL 3.0. */
+       if (piglit_get_gl_version() < 30) {
+               int j;
+               for (j = 0; j < 3; ++j)
+                       if (formats[i].ext[j])
+                               if (!piglit_is_extension_supported(
+                                                       formats[i].ext[j]))
+                                       return true;
+       }
+
+       printf("Testing %s... ",
+                       piglit_get_gl_enum_name(formats[i].internal_format));
+       fill_array_buffer(64, data_init);
+       glClearBufferData(GL_ARRAY_BUFFER, formats[i].internal_format,
+                       formats[i].format, formats[i].type, data_7f);
+
+       if (!piglit_check_gl_error(GL_NO_ERROR) ||
+                       !check_array_buffer_data(formats[i].size, data_7f)) {
+               printf("Failed!\n");
+               return false;
+       }
+       printf("Passed.\n");
+       return true;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+       bool pass = true;
+       int i;
+       const int buffer_size = 3<<20;
+       unsigned int buffer;
+
+       piglit_require_extension("GL_ARB_clear_buffer_object");
+
+       glGenBuffers(1, &buffer);
+       glBindBuffer(GL_ARRAY_BUFFER, buffer);
+       glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
+
+       for (i = 0; i < ARRAY_SIZE(formats); ++i)
+               pass = test_format(i) && pass;
+
+       glBindBuffer(GL_ARRAY_BUFFER, 0);
+       glDeleteBuffers(1, &buffer);
+
+       pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+       piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
-- 
1.8.3.2

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