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This function will soon cease to be useful, since more complex hiz tests
will each have their own drawing routine.

The function body has been copied into hiz_run_test_depth_test_common(),
which contains the common functionality needed by
hiz_run_test_depth_test_{fbo,window}().
Signed-off-by: Chad Versace <chad.versace@intel.com>

... in order to impose naming consistency with
hiz_run_test_depth_test_window() and future test functions.
Signed-off-by: Chad Versace <chad.versace@intel.com>

... into hiz_run_test_depth_test_window().

The immediate result of this refactoring results in a net increas in code.
But, it will prevent much code duplication on a subsequent commit that
refactors the probe functions.
Signed-off-by: Chad Versace <chad.versace@intel.com>

The test description was inaccurate.
Signed-off-by: Chad Versace <chad.versace@intel.com>

For fixed-function, we need the GL_VERTEX_ARRAY w/ vertex positions.
For GLSL/ARBvpfp, we can use generic arrays instead.
For GLSL, test the no-array case too.

This exercises a bug in Mesa's check_valid_to_render() function.
This test passes with NVIDIA's driver, haven't tested ATI.

It's only used by glean, so no need to force linking against it everywhere.

We got an user report that this was failing before the switch for
the new glsl compiler.

Make sure the swap count increases and print out the values in verbose mode.

More error checking.

We may fail to set or get the swap interval, so make the calls match the
spec and check the return value.

Suggested by Ian Romanick.

Right before sending out for review, I modified the shell script to
smash

uniform vecX c;
uniform vecY r;

into

uniform vecX c, r;

Of course, X may not always be the same as Y.  As a result, all of the
non-square matrix tests would (correctly) fail to compile.

Reviewed-by: Chad Versace <chad.versace@intel.com>

Column major, naturally.
Reviewed-by: Chad Versace <chad.versace@intel.com>

Reviewed-by: Chad Versace <chad.versace@intel.com>

Designated initializers are not supported by MSVC.

This patch also fixes a MSVC build error. getopt.h is not available on
MSVC.

stdbool.h is not available with MSVC. piglit-util.h includes stdbool.h
and defines the equivalent types for MSVC.

Fixes Linux build.

hiz_check_fbo_depth_test() has return type bool and should have returned
true (1) on success and false (0) on failure. Instead, it returned
PIGLIT_PASS (0) on success and PIGLIT_FAIL (1) on failure.

Change extension requirement from GL_ARB_fbo to GL_ARB_framebuffer_object.
Signed-off-by: Chad Versace <chad.versace@intel.com>

Remove duplicate definitions of piglit_require_extension() from
piglit-util-{gl,gles2}.c and define it just once in piglit-util.c. Do the
same for piglit_require_not_extension().
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Chad Versace <chad.versace@intel.com>

It is created by the CMake and contains just build artifacts.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Chad Versace <chad.versace@intel.com>

Add the following tests:
    - hiz-depth-test-fbo-d24
    - hiz-depth-test-fbo-d24s8
    - hiz-depth-test-fbo-d24-s8
    - hiz-depth-test-window-stencil0
    - hiz-depth-test-window-stencil1
Signed-off-by: Chad Versace <chad.versace@intel.com>

Add three tests, in which the FBO has the following attachments:
    1. GL_DEPTH_ATTACHMENT: GL_DEPTH_COMPONENT24
    2. GL_DEPTH_ATTACHMENT: GL_DEPTH_COMPONENT24
       GL_STENCIL_COMPONENT: GL_STENCIL_INDEX8
    3. GL_DEPTH_STENCIL_ATTACHMENT: GL_DEPTH24_STENCIL8
Reviewed-By: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Chad Versace <chad.versace@intel.com>

Add tests for two cases: when the stencil buffer is, and is not, present.
Reviewed-By: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Chad Versace <chad.versace@intel.com>

Eventually there will be over a dozen HiZ tests, so placing common
functionality in a library will reduce a good hunk of code.
Reviewed-By: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Chad Versace <chad.versace@intel.com>

Verifies that at least one fbconfig exists that complies with the
minimums described by the spec.  Similar to glx-fbconfig-sanity but
different enough to be its own test.