[Piglit] [PATCH v2] Interface Blocks: Test how interface block members are accessed from API
Paul Berry
stereotype441 at gmail.com
Tue Oct 22 03:07:06 CEST 2013
On 21 October 2013 16:04, Nicholas Mack <nichmack at gmail.com> wrote:
> v2: Add checks to also test invalid names
> ---
> tests/all.tests | 1 +
> tests/spec/glsl-1.50/execution/CMakeLists.gl.txt | 1 +
> .../interface-blocks-api-access-members.c | 173
> +++++++++++++++++++++
> 3 files changed, 175 insertions(+)
> create mode 100644
> tests/spec/glsl-1.50/execution/interface-blocks-api-access-members.c
>
Reviewed-by: Paul Berry <stereotype441 at gmail.com>
>
> diff --git a/tests/all.tests b/tests/all.tests
> index c919f19..d2e685c 100644
> --- a/tests/all.tests
> +++ b/tests/all.tests
> @@ -966,6 +966,7 @@ import_glsl_parser_tests(spec['glsl-1.50'],
> add_shader_test_dir(spec['glsl-1.50'],
> os.path.join(testsDir, 'spec', 'glsl-1.50'),
> recursive=True)
> +spec['glsl-1.50']['execution']['interface-blocks-api-access-members'] =
> concurrent_test('glsl-1.50-interface-blocks-api-access-members')
> spec['glsl-1.50']['execution']['get-active-attrib-array'] =
> concurrent_test('glsl-1.50-get-active-attrib-array')
> spec['glsl-1.50']['execution']['vs-input-arrays'] =
> concurrent_test('glsl-1.50-vs-input-arrays')
> spec['glsl-1.50']['execution']['vs-named-block-no-modify'] =
> concurrent_test('glsl-1.50-vs-named-block-no-modify')
> diff --git a/tests/spec/glsl-1.50/execution/CMakeLists.gl.txt
> b/tests/spec/glsl-1.50/execution/CMakeLists.gl.txt
> index 693f69a..114867b 100644
> --- a/tests/spec/glsl-1.50/execution/CMakeLists.gl.txt
> +++ b/tests/spec/glsl-1.50/execution/CMakeLists.gl.txt
> @@ -13,3 +13,4 @@ ${OPENGL_glu_LIBRARY}
> piglit_add_executable (glsl-1.50-vs-input-arrays vs-input-arrays.c)
> piglit_add_executable (glsl-1.50-get-active-attrib-array
> get-active-attrib-array.c)
> piglit_add_executable (glsl-1.50-vs-named-block-no-modify
> vs-named-block-no-modify.c)
> +piglit_add_executable (glsl-1.50-interface-blocks-api-access-members
> interface-blocks-api-access-members.c)
> diff --git
> a/tests/spec/glsl-1.50/execution/interface-blocks-api-access-members.c
> b/tests/spec/glsl-1.50/execution/interface-blocks-api-access-members.c
> new file mode 100644
> index 0000000..77089f8
> --- /dev/null
> +++ b/tests/spec/glsl-1.50/execution/interface-blocks-api-access-members.c
> @@ -0,0 +1,173 @@
> +/**
> + * 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.
> + */
> +
> +/**
> + * Test the syntax for accessing interface block members through the API
> + *
> + * From the GLSL 1.50 core spec, section 4.3.7 (Interface Blocks):
> + * "Outside the shading language (i.e., in the API), members are similarly
> + * identified except the block name is always used in place of the
> instance
> + * name (API accesses are to interfaces, not to shaders). If there is no
> + * instance name, then the API does not use the block name to access a
> member,
> + * just the member name."
> + *
> + * "For blocks declared as arrays, the array index must also be included
> when
> + * accessing members"
> + */
> +
> +#include "piglit-util-gl-common.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_compat_version = 32;
> + config.supports_gl_core_version = 32;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +static const char *vstext =
> + "#version 150\n"
> + "in vec4 vertex;\n"
> + "void main()\n"
> + "{\n"
> + " gl_Position = vertex;\n"
> + "}\n";
> +
> +static const char *gstext =
> + "#version 150\n"
> + "layout(points) in;\n"
> + "layout(points, max_vertices = 3) out;\n"
> + "out NoInst {\n"
> + " float a;\n"
> + " vec3 b;\n"
> + "};\n"
> + "out WithInst {\n"
> + " float c;\n"
> + " vec3 d;\n"
> + "} inst;\n"
> + "out WithInstArray {\n"
> + " float e;\n"
> + " vec3 f;\n"
> + "} instArray[3];\n"
> + "void main()\n"
> + "{\n"
> + " a = 1.0;\n"
> + " b = vec3(2.0);\n"
> + " inst.c = 3.0;\n"
> + " inst.d = vec3(4.0);\n"
> + " for(int i = 0; i < 3; i++) {\n"
> + " instArray[i].e = 5.0 + 2 * i;\n"
> + " instArray[i].f = vec3(6.0 + 2 * i);\n"
> + " }\n"
> + "}\n";
> +
> +static GLuint prog;
> +
> +static const char *valid_varying_names[] = {
> + /* correct names to access block members */
> + "a", "b",
> + "WithInst.c", "WithInst.d",
> + "WithInstArray[0].e", "WithInstArray[0].f",
> + "WithInstArray[1].e", "WithInstArray[1].f",
> + "WithInstArray[2].e", "WithInstArray[2].f"
> +};
> +
> +static const char *invalid_varying_names[] = {
> + /* incorrect names to access block members */
> + "c", "d",
> + "inst.c", "inst.d",
> + "e", "f",
> + "instArray.e", "instArray.f",
> + "WithInstArray.e", "WithInstArray.f",
> + "instArray[0].e", "instArray[0].f",
> + "instArray[1].e", "instArray[1].f",
> + "instArray[2].e", "instArray[2].f"
> +};
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + bool pass = true;
> + GLuint vs = 0, gs = 0;
> + int i;
> +
> + prog = glCreateProgram();
> + vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vstext);
> + gs = piglit_compile_shader_text(GL_GEOMETRY_SHADER, gstext);
> + glAttachShader(prog, vs);
> + glAttachShader(prog, gs);
> +
> + /* check that invalid_varying_names fail to link */
> + for (i = 0; i < ARRAY_SIZE(invalid_varying_names); i++) {
> + glTransformFeedbackVaryings(prog,
> + 1,
> + &invalid_varying_names[i],
> + GL_INTERLEAVED_ATTRIBS);
> + glLinkProgram(prog);
> + if (piglit_link_check_status(prog)) {
> + printf("%s is not valid but it was allowed.\n",
> + invalid_varying_names[i]);
> + pass = false;
> + }
> + }
> +
> + /* check that valid_varying_names link properly */
> + glTransformFeedbackVaryings(prog,
> + ARRAY_SIZE(valid_varying_names),
> + valid_varying_names,
> + GL_INTERLEAVED_ATTRIBS);
> + glLinkProgram(prog);
> + if (!piglit_link_check_status(prog)) {
> + glDeleteProgram(prog);
> + printf("Transform feedback varyings failed to link
> properly"
> + " with valid names.\n");
> + piglit_report_result(PIGLIT_FAIL);
> + }
> +
> + glUseProgram(prog);
> +
> + for (i = 0; i < ARRAY_SIZE(valid_varying_names); i++) {
> + char varName[50];
> + GLsizei nameLength = 0, varSize = 0;
> + GLenum varType = GL_NONE;
> + glGetTransformFeedbackVarying( prog,
> + i,
> + sizeof(varName),
> + &nameLength,
> + &varSize,
> + &varType,
> + varName);
> + printf("Name: %s\t\tType: %s\n",
> + varName, piglit_get_gl_enum_name(varType));
> + }
> +
> + pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
> +
> + piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + /* DIES IN A FIRE */
> + return PIGLIT_FAIL;
> +}
> --
> 1.8.3.1
>
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