[Piglit] [PATCH] gl-2.0: port const vertex attrib webgl test to piglit
Marek Olšák
maraeo at gmail.com
Thu Mar 26 13:30:06 PDT 2015
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Marek
On Thu, Mar 26, 2015 at 6:10 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> This is a rip off of:
>
> https://www.khronos.org/registry/webgl/conformance-suites/1.0.2/conformance/attribs/gl-vertex-attrib-render.html
>
> Which presently fails with gallium drivers. The logic is identical, just
> ported to GL and piglit infra.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
> tests/all.py | 1 +
> tests/spec/gl-2.0/CMakeLists.gl.txt | 1 +
> tests/spec/gl-2.0/vertex-const-attr.c | 136 ++++++++++++++++++++++++++++++++++
> 3 files changed, 138 insertions(+)
> create mode 100644 tests/spec/gl-2.0/vertex-const-attr.c
>
> diff --git a/tests/all.py b/tests/all.py
> index b2266db..93bf120 100644
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -1049,6 +1049,7 @@ with profile.group_manager(
> g(['gl-2.0-edgeflag'])
> g(['gl-2.0-edgeflag-immediate'])
> g(['gl-2.0-vertexattribpointer'])
> + g(['gl-2.0-vertex-const-attr'])
> g(['attrib-assignments'], run_concurrent=False)
> g(['getattriblocation-conventional'], run_concurrent=False)
> g(['clip-flag-behavior'], run_concurrent=False)
> diff --git a/tests/spec/gl-2.0/CMakeLists.gl.txt b/tests/spec/gl-2.0/CMakeLists.gl.txt
> index 3ac0d68..2ce99bd 100644
> --- a/tests/spec/gl-2.0/CMakeLists.gl.txt
> +++ b/tests/spec/gl-2.0/CMakeLists.gl.txt
> @@ -14,3 +14,4 @@ piglit_add_executable (vertex-program-two-side vertex-program-two-side.c)
> piglit_add_executable (gl-2.0-edgeflag edgeflag.c)
> piglit_add_executable (gl-2.0-edgeflag-immediate edgeflag-immediate.c)
> piglit_add_executable (gl-2.0-vertexattribpointer vertexattribpointer.c)
> +piglit_add_executable (gl-2.0-vertex-const-attr vertex-const-attr.c)
> diff --git a/tests/spec/gl-2.0/vertex-const-attr.c b/tests/spec/gl-2.0/vertex-const-attr.c
> new file mode 100644
> index 0000000..33b01f7
> --- /dev/null
> +++ b/tests/spec/gl-2.0/vertex-const-attr.c
> @@ -0,0 +1,136 @@
> +/*
> + * Copyright (c) 2012 The Khronos Group Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and/or associated documentation files (the
> + * "Materials"), to deal in the Materials without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sublicense, and/or sell copies of the Materials, and to
> + * permit persons to whom the Materials are furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included
> + * in all copies or substantial portions of the Materials.
> + *
> + * THE MATERIALS ARE 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
> + * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
> + *
> + * Adapted for Piglit and OpenGL by:
> + * Ilia Mirkin
> + */
> +
> +/**
> + * Test glVertexAtribNfv changes and redraws without changing any other state
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> + config.supports_gl_compat_version = 20;
> + config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +static const char *vs =
> + "attribute vec2 vertex; \n"
> + "attribute vec4 attr; \n"
> + "varying vec4 color; \n"
> + "void main() { \n"
> + " gl_Position = vec4(vertex, 0, 1); \n"
> + " color = attr; \n"
> + "}\n";
> +
> +static const char *fs =
> + "varying vec4 color; \n"
> + "void main() { gl_FragColor = color; } \n";
> +
> +static GLint prog, attr;
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + float color[4][4] = {
> + {1, 0, 0, 1},
> + {0, 1, 0, 1},
> + {0, 0, 1, 1},
> + {1, 1, 1, 1},
> + };
> + bool pass = true;
> +
> + glViewport(0, 0, piglit_width, piglit_height);
> + glClearColor(0.5, 0.5, 0.5, 0.5);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + glVertexAttrib1fv(attr, color[0]);
> + glViewport(0, 0, piglit_width/2, piglit_height/2);
> + glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
> +
> + glVertexAttrib2fv(attr, color[1]);
> + glViewport(0, piglit_height/2, piglit_width/2, piglit_height/2);
> + glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
> +
> + glVertexAttrib3fv(attr, color[2]);
> + glViewport(piglit_width/2, 0, piglit_width/2, piglit_height/2);
> + glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
> +
> + glVertexAttrib4fv(attr, color[3]);
> + glViewport(piglit_width/2, piglit_height/2,
> + piglit_width/2, piglit_height/2);
> + glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
> +
> + pass &= piglit_probe_rect_rgba(0, 0,
> + piglit_width / 2, piglit_height / 2,
> + color[0]);
> + pass &= piglit_probe_rect_rgba(0, piglit_height / 2,
> + piglit_width / 2, piglit_height / 2,
> + color[1]);
> + pass &= piglit_probe_rect_rgba(piglit_width / 2, 0,
> + piglit_width / 2, piglit_height / 2,
> + color[2]);
> + pass &= piglit_probe_rect_rgba(piglit_width / 2, piglit_height / 2,
> + piglit_width / 2, piglit_height / 2,
> + color[3]);
> +
> + piglit_present_results();
> +
> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +static const float verts[4][2] = {
> + {-1, -1},
> + { 1, -1},
> + {-1, 1},
> + { 1, 1},
> + };
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + GLuint buf;
> + GLint vertex;
> +
> + piglit_require_gl_version(20);
> +
> + prog = piglit_build_simple_program(vs, fs);
> + if (!prog) {
> + printf("Failed to compile/link program\n");
> + piglit_report_result(PIGLIT_FAIL);
> + }
> +
> + glUseProgram(prog);
> +
> + attr = glGetAttribLocation(prog, "attr");
> + vertex = glGetAttribLocation(prog, "vertex");
> +
> + glGenBuffers(1, &buf);
> + glBindBuffer(GL_ARRAY_BUFFER, buf);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, GL_STATIC_DRAW);
> + glVertexAttribPointer(vertex,
> + 2, GL_FLOAT, GL_FALSE, 0, 0);
> +
> + glEnableVertexAttribArray(vertex);
> +}
> --
> 2.0.5
>
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