[Piglit] [PATCH 1/3] spec/ARB_copy_image: Add a simple ARB_copy_image test

Jason Ekstrand jason at jlekstrand.net
Mon Jun 30 09:49:20 PDT 2014


On Sat, Jun 28, 2014 at 6:28 AM, Brian Paul <brianp at vmware.com> wrote:

> On 06/27/2014 05:31 PM, Jason Ekstrand wrote:
>
>> This is a simple sanity test for the ARB_copy_image extension.  This tests
>> tests the different combinations of textures and renderbuffers for intputs
>> and outputs to glCopyTexSubImage.
>>
>> Signed-off-by: Jason Ekstrand <jason.ekstrand at intel.com>
>> ---
>>   tests/all.py                                |   6 +
>>   tests/spec/CMakeLists.txt                   |   1 +
>>   tests/spec/arb_copy_image/CMakeLists.gl.txt |  13 ++
>>   tests/spec/arb_copy_image/CMakeLists.txt    |   1 +
>>   tests/spec/arb_copy_image/simple.c          | 226
>> ++++++++++++++++++++++++++++
>>   5 files changed, 247 insertions(+)
>>   create mode 100644 tests/spec/arb_copy_image/CMakeLists.gl.txt
>>   create mode 100644 tests/spec/arb_copy_image/CMakeLists.txt
>>   create mode 100644 tests/spec/arb_copy_image/simple.c
>>
>> diff --git a/tests/all.py b/tests/all.py
>> index 17d5d9b..9e6196e 100644
>> --- a/tests/all.py
>> +++ b/tests/all.py
>> @@ -3110,6 +3110,12 @@ arb_copy_buffer['overlap'] =
>> concurrent_test('arb_copy_buffer-overlap')
>>   arb_copy_buffer['targets'] = concurrent_test('arb_copy_buffer-targets')
>>   arb_copy_buffer['subdata-sync'] = concurrent_test('arb_copy_
>> buffer-subdata-sync')
>>
>> +arb_copy_image = {}
>> +spec['ARB_copy_image'] = arb_copy_image
>> +add_concurrent_test(arb_copy_image, 'arb_copy_image-simple
>> --tex-to-tex')
>> +add_concurrent_test(arb_copy_image, 'arb_copy_image-simple --rb-to-tex')
>> +add_concurrent_test(arb_copy_image, 'arb_copy_image-simple --rb-to-rb')
>> +
>>   arb_half_float_vertex = {}
>>   spec['ARB_half_float_vertex'] = arb_half_float_vertex
>>   add_plain_test(arb_half_float_vertex, 'draw-vertices-half-float')
>> diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
>> index 489ff0c..73fe908 100644
>> --- a/tests/spec/CMakeLists.txt
>> +++ b/tests/spec/CMakeLists.txt
>> @@ -4,6 +4,7 @@ add_subdirectory (arb_buffer_storage)
>>   add_subdirectory (arb_clear_buffer_object)
>>   add_subdirectory (arb_clear_texture)
>>   add_subdirectory (arb_color_buffer_float)
>> +add_subdirectory (arb_copy_image)
>>   add_subdirectory (arb_compute_shader)
>>   add_subdirectory (arb_debug_output)
>>   add_subdirectory (khr_debug)
>> diff --git a/tests/spec/arb_copy_image/CMakeLists.gl.txt
>> b/tests/spec/arb_copy_image/CMakeLists.gl.txt
>> new file mode 100644
>> index 0000000..ac8ddcc
>> --- /dev/null
>> +++ b/tests/spec/arb_copy_image/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_copy_image-simple simple.c)
>> +
>> +# vim: ft=cmake:
>> diff --git a/tests/spec/arb_copy_image/CMakeLists.txt
>> b/tests/spec/arb_copy_image/CMakeLists.txt
>> new file mode 100644
>> index 0000000..144a306
>> --- /dev/null
>> +++ b/tests/spec/arb_copy_image/CMakeLists.txt
>> @@ -0,0 +1 @@
>> +piglit_include_target_api()
>> diff --git a/tests/spec/arb_copy_image/simple.c
>> b/tests/spec/arb_copy_image/simple.c
>> new file mode 100644
>> index 0000000..f720c26
>> --- /dev/null
>> +++ b/tests/spec/arb_copy_image/simple.c
>> @@ -0,0 +1,226 @@
>> +/*
>> + * 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 simple.c
>> + *
>> + * A simple test of glCopyImageSubData that copies a square from one
>> + * 2D texture to another and back.  This test exercises texture to
>> texture,
>> + * texture to renderbuffer, renderbuffer to texture, and renderbuffer to
>> + * renderbuffer copies.
>> + */
>> +#include "piglit-util-gl-common.h"
>> +
>> +PIGLIT_GL_TEST_CONFIG_BEGIN
>> +
>> +       config.supports_gl_compat_version = 13;
>> +
>> +       config.window_width = 128;
>> +       config.window_height = 64;
>>
>
> Does the window size really matter?  If not, please omit those lines and
> use the default.  If the size does matter, please use width >= 160 to allow
> this to work on Windows.  See the comments in tests/util/piglit-framework-gl.h
> for more info.
>
> Fixed that, thanks.  In this case 160x160 is just fine.


>
>
>  +       config.window_visual = PIGLIT_GL_VISUAL_RGB |
>> PIGLIT_GL_VISUAL_DOUBLE;
>> +
>> +PIGLIT_GL_TEST_CONFIG_END
>> +
>> +static const float green[3] = {0.0, 1.0, 0.0};
>> +static const float red[3] = {1.0, 0.0, 0.0};
>> +static const float blue[3] = {0.0, 0.0, 1.0};
>> +
>> +int renderbuffers = 0;
>> +
>> +void
>> +piglit_init(int argc, char **argv)
>> +{
>> +       int i;
>> +
>> +       piglit_require_extension("GL_ARB_copy_image");
>> +       piglit_require_extension("GL_EXT_framebuffer_object");
>> +
>> +       for (i = 0; i < argc; ++i) {
>> +               if (strcmp(argv[i], "--tex-to-tex") == 0)
>> +                       renderbuffers = 0;
>> +               else if (strcmp(argv[i], "--tex-to-rb") == 0)
>> +                       renderbuffers = 1;
>> +               else if (strcmp(argv[i], "--rb-to-rb") == 0)
>> +                       renderbuffers = 2;
>> +       }
>> +}
>> +
>> +struct image {
>> +       GLuint name, fbo;
>> +       GLenum target;
>> +};
>> +
>> +void
>> +image_init(struct image *image, GLenum target, GLenum internalformat)
>>
>
> All these local functions should be declared static to avoid compiler
> warnings.
>
>
done


>
>
>  +{
>> +       image->target = target;
>> +
>> +       glGenFramebuffersEXT(1, &image->fbo);
>> +       glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, image->fbo);
>> +
>> +       if (image->target == GL_RENDERBUFFER_EXT) {
>> +               glGenRenderbuffersEXT(1, &image->name);
>> +               glBindRenderbufferEXT(GL_RENDERBUFFER, image->name);
>> +               glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT,
>> +                                        internalformat, 64, 64);
>> +               glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
>> +                                            GL_COLOR_ATTACHMENT0_EXT,
>> +                                            image->target, image->name);
>> +       } else {
>> +               glGenTextures(1, &image->name);
>> +               glBindTexture(image->target, image->name);
>> +               glTexImage2D(image->target, 0, internalformat,
>> +                            64, 64, 0, internalformat, GL_BYTE, NULL);
>> +               glTexParameteri(target, GL_TEXTURE_MIN_FILTER,
>> GL_NEAREST);
>> +               glTexParameteri(target, GL_TEXTURE_MAG_FILTER,
>> GL_NEAREST);
>> +               glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
>> +                                         GL_COLOR_ATTACHMENT0_EXT,
>> +                                         image->target, image->name, 0);
>> +       }
>> +}
>> +
>> +void
>> +image_destroy(struct image *image)
>> +{
>> +       if (image->target == GL_RENDERBUFFER_EXT)
>> +               glDeleteRenderbuffersEXT(1, &image->name);
>> +       else
>> +               glDeleteTextures(1, &image->name);
>> +
>> +       glDeleteFramebuffers(1, &image->fbo);
>> +}
>> +
>> +void
>> +image_fill(struct image *image, const float *color)
>> +{
>> +       glClearColor(color[0], color[1], color[2], 1.0f);
>> +       glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, image->fbo);
>> +       glClear(GL_COLOR_BUFFER_BIT);
>> +}
>> +
>> +void
>> +image_draw(struct image *image, int x, int y)
>> +{
>> +       if (image->target == GL_RENDERBUFFER_EXT) {
>> +               glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT,
>> image->fbo);
>> +               glBlitFramebufferEXT(0, 0, 64, 64, x, y, x + 64, y + 64,
>> +                                    GL_COLOR_BUFFER_BIT, GL_NEAREST);
>> +       } else {
>> +               /* Set up or GL environment for rendering */
>> +               piglit_ortho_projection(piglit_width, piglit_height,
>> GL_FALSE);
>> +               glEnable(GL_TEXTURE_2D);
>> +               glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,
>> GL_REPLACE);
>> +
>> +               glBindTexture(image->target, image->name);
>> +               piglit_draw_rect_tex(x, y, 64, 64, 0, 0, 1, 1);
>> +
>> +               glDisable(GL_TEXTURE_2D);
>> +       }
>> +}
>> +
>> +void
>> +fill_texture(GLuint name, GLenum target, const float *color,
>> +            int width, int height, int depth)
>> +{
>> +       float *image;
>> +       int i, size;
>> +
>> +       size = width * height * depth;
>> +
>> +       image = malloc(sizeof(float) * 3 * size);
>> +       for (i = 0; i < size; i++)
>> +               memcpy(&image[i*3], color, sizeof(float) * 3);
>> +
>> +       glBindTexture(target, name);
>> +       glTexImage2D(target, 0, GL_RGB, width, height,
>> +                    0, GL_RGB, GL_FLOAT, image);
>> +       glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
>> +       glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
>> +
>> +       free(image);
>> +}
>> +
>> +enum piglit_result
>> +piglit_display(void)
>> +{
>> +       bool pass = true;
>> +       struct image images[2];
>> +
>> +       if (renderbuffers >= 1)
>> +               images[0].target = GL_RENDERBUFFER_EXT;
>> +       else
>> +               images[0].target = GL_TEXTURE_2D;
>> +
>> +       if (renderbuffers == 2)
>> +               images[1].target = GL_RENDERBUFFER_EXT;
>> +       else
>> +               images[1].target = GL_TEXTURE_2D;
>> +
>> +       image_init(&images[0], images[0].target, GL_RGB);
>> +       image_init(&images[1], images[1].target, GL_RGB);
>> +
>> +       image_fill(&images[0], green);
>> +       image_fill(&images[1], red);
>> +
>> +       glCopyImageSubData(images[0].name, images[0].target, 0, 0, 0, 0,
>> +                          images[1].name, images[1].target, 0, 17, 11, 0,
>> +                          32, 32, 1);
>> +       pass &= piglit_check_gl_error(GL_NO_ERROR);
>> +
>> +       /* We should now have a green square on red */
>> +       glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, images[1].fbo);
>> +       pass &= piglit_probe_rect_rgb(17, 11, 32, 32, green);
>> +       pass &= piglit_probe_rect_rgb(0, 0, 64, 11, red);
>> +       pass &= piglit_probe_rect_rgb(0, 11, 17, 32, red);
>> +       pass &= piglit_probe_rect_rgb(49, 11, 15, 32, red);
>> +       pass &= piglit_probe_rect_rgb(0, 43, 64, 21, red);
>> +
>> +       image_fill(&images[0], blue);
>> +       glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, images[0].fbo);
>> +       pass &= piglit_probe_rect_rgb(0, 0, 64, 64, blue);
>> +
>> +       glCopyImageSubData(images[1].name, images[1].target, 0, 17, 11,
>> 0,
>> +                          images[0].name, images[0].target, 0, 0, 32, 0,
>> +                          32, 32, 1);
>> +       pass &= piglit_check_gl_error(GL_NO_ERROR);
>> +
>> +       /* This should be a green square on blue (no red!) */
>> +       glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, images[0].fbo);
>> +       pass &= piglit_probe_rect_rgb(0, 32, 32, 32, green);
>> +       pass &= piglit_probe_rect_rgb(0, 0, 64, 32, blue);
>> +       pass &= piglit_probe_rect_rgb(32, 32, 32, 32, blue);
>>
>
> In some piglit tests we use the pattern:
>
>    pass = test_something() && pass;
>
> to report multiple failures.  I'm not sure if you want to do that here
> though.
>
>
Yes, that should prevent short-circuiting.  That said, I haven't observed
any short-circuiting of test functions.  Maybe a GCC thing?


>
>
>  +
>> +       if (!piglit_automatic) {
>> +               glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT,
>> +                                    piglit_winsys_fbo);
>> +
>> +               image_draw(&images[1], 0, 0);
>> +               image_draw(&images[0], 64, 0);
>> +
>> +               piglit_present_results();
>> +       }
>> +
>> +       image_destroy(&images[0]);
>> +       image_destroy(&images[1]);
>> +
>> +       return pass ? PIGLIT_PASS : PIGLIT_FAIL;
>> +}
>>
>>
> Looks good otherwise.
> Reviewed-by: Brian Paul <brianp at vmware.com>
>

Thanks.


>
> _______________________________________________
> Piglit mailing list
> Piglit at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/piglit
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/piglit/attachments/20140630/a5b57117/attachment-0001.html>


More information about the Piglit mailing list