[Piglit] [PATCH 2/2] SSO: new test to ensure matching with various qualifier
Dylan Baker
baker.dylan.c at gmail.com
Sun Oct 25 10:33:17 PDT 2015
Same with this one
On Oct 25, 2015 07:08, "Gregory Hainaut" <gregory.hainaut at gmail.com> wrote:
> Test is composed of 2 major steps.
>
> First part ensure that a matching (same on both VS & FS) qualifier doesn't
> pertubate the location assignment
>
> Second part ensure that a non-matching qualifier also work. Final
> interpolation
> qualifier is the one of the FS.
> Technically it is only allowed from GLSL4.5. However I don't know if any gl
> implementation really implement this constraint.
>
> Signed-off-by: Gregory Hainaut <gregory.hainaut at gmail.com>
> ---
> .../arb_separate_shader_objects/CMakeLists.gl.txt | 1 +
> .../rendezvous_by_name_interpolation.c | 210
> +++++++++++++++++++++
> 2 files changed, 211 insertions(+)
> create mode 100644
> tests/spec/arb_separate_shader_objects/rendezvous_by_name_interpolation.c
>
> diff --git a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
> b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
> index 9ab6606..22a04b7 100644
> --- a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
> +++ b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
> @@ -19,5 +19,6 @@ piglit_add_executable
> (arb_separate_shader_object-rendezvous_by_location rendezv
> piglit_add_executable
> (arb_separate_shader_object-rendezvous_by_location-3-stages
> rendezvous_by_location-3-stages.c)
> piglit_add_executable
> (arb_separate_shader_object-rendezvous_by_location-5-stages
> rendezvous_by_location-5-stages.c)
> piglit_add_executable (arb_separate_shader_object-rendezvous_by_name
> rendezvous_by_name.c)
> +piglit_add_executable
> (arb_separate_shader_object-rendezvous_by_name_interpolation
> rendezvous_by_name_interpolation.c)
> piglit_add_executable
> (arb_separate_shader_object-UseProgramStages-non-separable
> UseProgramStages-non-separable.c)
> piglit_add_executable (arb_separate_shader_object-ValidateProgramPipeline
> ValidateProgramPipeline.c)
> diff --git
> a/tests/spec/arb_separate_shader_objects/rendezvous_by_name_interpolation.c
> b/tests/spec/arb_separate_shader_objects/rendezvous_by_name_interpolation.c
> new file mode 100644
> index 0000000..5a99871
> --- /dev/null
> +++
> b/tests/spec/arb_separate_shader_objects/rendezvous_by_name_interpolation.c
> @@ -0,0 +1,210 @@
> +/*
> + * Copyright © 2015 Gregory Hainaut <gregory.hainaut at gmail.com>
> + *
> + * 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 rendezvous_by_name_interpolation.c
> + * Simple test for separate shader objects that use rendezvous-by-name.
> + *
> + * The test ensures that multiple interpolation qualifier doesn't break
> + * the interface matching.
> + */
> +#include "piglit-util-gl.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 GLuint pipeline_match[4];
> +static GLuint pipeline_unmatch[4];
> +
> +static const char *vs_code_template =
> + "#version %d\n"
> + "#extension GL_ARB_separate_shader_objects: require\n"
> + "#extension GL_ARB_explicit_attrib_location: require\n"
> + "\n"
> + "layout(location = 0) in vec4 piglit_vertex;\n"
> + "\n"
> + "%s out vec4 blue;\n"
> + "%s out vec4 green;\n"
> + "%s out vec4 red;\n"
> + "\n"
> + "void main()\n"
> + "{\n"
> + " gl_Position = piglit_vertex;\n"
> + " red = vec4(1, 0, 0, 0);\n"
> + " green = vec4(0, 1, 0, 0);\n"
> + " blue = vec4(0, 0, 1, 0);\n"
> + "}\n"
> + ;
> +
> +static const char *fs_code_template =
> + "#version %d\n"
> + "#extension GL_ARB_separate_shader_objects: require\n"
> + "#extension GL_ARB_explicit_attrib_location: enable\n"
> + "\n"
> + "#if __VERSION__ >= 130\n"
> + "layout(location = 0) out vec4 out_color;\n"
> + "#else\n"
> + "#define out_color gl_FragColor\n"
> + "#endif\n"
> + "\n"
> + "%s in vec4 blue;\n"
> + "%s in vec4 green;\n"
> + "%s in vec4 red;\n"
> + "\n"
> + "void main()\n"
> + "{\n"
> + " out_color = vec4(red.r, green.g, blue.b, 1);\n"
> + "}\n"
> + ;
> +
> +static const char *qualifiers[] = {
> + "",
> + "flat",
> + "smooth",
> + "noperspective"
> +};
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + static const float expected[] = {
> + 1.0f, 1.0f, 1.0f, 1.0f
> + };
> + bool pass = true;
> + int i;
> +
> + glClearColor(0.1f, 0.1f, 0.1f, 0.1f);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + for (i = 0; i < 4; i++) {
> + float w = 0.5;
> + float x = -1.0 + w * i;
> + /*
> + * Match qualifier on bottom row
> + */
> + glBindProgramPipeline(pipeline_match[i]);
> + piglit_draw_rect(x, -1, w, 1);
> +
> + /*
> + * Unmatch qualifier on top row
> + */
> + glBindProgramPipeline(pipeline_unmatch[i]);
> + piglit_draw_rect(x, 0, w, 1);
> + }
> +
> + pass &= piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
> + expected);
> +
> + piglit_present_results();
> +
> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +GLuint format_and_link_program(GLenum type, const char* code, unsigned
> glsl_version,
> + unsigned q1, unsigned q2, unsigned q3)
> +{
> + char *source;
> + GLuint prog;
> +
> + asprintf(&source, code, glsl_version, qualifiers[q1],
> qualifiers[q2], qualifiers[q3]);
> + prog = glCreateShaderProgramv(type, 1,
> + (const GLchar *const *) &source);
> +
> + piglit_link_check_status(prog);
> + free(source);
> +
> + return prog;
> +}
> +
> +void piglit_init(int argc, char **argv)
> +{
> + unsigned i;
> + unsigned glsl_version;
> + GLuint vs_prog[4];
> + GLuint fs_prog_match[4];
> + GLuint fs_prog_unmatch[4];
> + bool es;
> + int glsl_major;
> + int glsl_minor;
> +
> + piglit_require_vertex_shader();
> + piglit_require_fragment_shader();
> + piglit_require_GLSL_version(130); /* Support layout index on
> output color */
> + piglit_require_extension("GL_ARB_separate_shader_objects");
> + piglit_require_extension("GL_ARB_explicit_attrib_location");
> + piglit_require_extension("GL_ARB_blend_func_extended");
> +
> + /* Some NVIDIA drivers have issues with layout qualifiers, 'in'
> + * keywords, and 'out' keywords in "lower" GLSL versions. If the
> + * driver supports GLSL >= 1.40, use 1.40. Otherwise, pick the
> + * highest version that the driver supports.
> + */
> + piglit_get_glsl_version(&es, &glsl_major, &glsl_minor);
> + glsl_version = ((glsl_major * 100) + glsl_minor) >= 140
> + ? 140 : ((glsl_major * 100) + glsl_minor);
> +
> + /*
> + * Program compilation and link
> + */
> + for (i = 0; i < 4; i++) {
> + int next = (i+1) % 4;
> + int prev = (i-1) % 4;
> + printf("Compile vs_prog[%d]\n", i);
> + vs_prog[i] = format_and_link_program(GL_VERTEX_SHADER,
> + vs_code_template, glsl_version, prev, i,
> next);
> +
> + printf("Compile fs_prog_match[%d]\n", i);
> + fs_prog_match[i] =
> format_and_link_program(GL_FRAGMENT_SHADER,
> + fs_code_template, glsl_version, prev, i,
> next);
> +
> + printf("Compile fs_prog_unmatch[%d]\n", i);
> + fs_prog_unmatch[i] =
> format_and_link_program(GL_FRAGMENT_SHADER,
> + fs_code_template, glsl_version, next,
> prev, i);
> + }
> +
> + /*
> + * Pipeline creation
> + */
> + glGenProgramPipelines(4, pipeline_match);
> + glGenProgramPipelines(4, pipeline_unmatch);
> + for (i = 0; i < 4; i++) {
> + glBindProgramPipeline(pipeline_match[i]);
> + glUseProgramStages(pipeline_match[i],
> + GL_VERTEX_SHADER_BIT, vs_prog[i]);
> + glUseProgramStages(pipeline_match[i],
> + GL_FRAGMENT_SHADER_BIT, fs_prog_match[i]);
> +
> + glBindProgramPipeline(pipeline_unmatch[i]);
> + glUseProgramStages(pipeline_unmatch[i],
> + GL_VERTEX_SHADER_BIT, vs_prog[i]);
> + glUseProgramStages(pipeline_unmatch[i],
> + GL_FRAGMENT_SHADER_BIT,
> fs_prog_unmatch[i]);
> + }
> +
> + if (!piglit_check_gl_error(0))
> + piglit_report_result(PIGLIT_FAIL);
> +}
> --
> 2.1.4
>
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