[Piglit] [PATCH 2/2] gl-2.0-vertex-attr-0: new test of glVertexAttrib(index=0)
Charmaine Lee
charmainel at vmware.com
Tue Aug 22 20:40:13 UTC 2017
For the series: Reviewed-by: Charmaine Lee <charmainel at vmware.com>
________________________________________
From: Brian Paul <brianp at vmware.com>
Sent: Tuesday, August 22, 2017 1:21:40 PM
To: piglit at lists.freedesktop.org
Cc: Charmaine Lee; Neha Bhende; Brian Paul
Subject: [PATCH 2/2] gl-2.0-vertex-attr-0: new test of glVertexAttrib(index=0)
See bugzilla https://bugs.freedesktop.org/show_bug.cgi?id=101941
---
tests/all.py | 1 +
tests/spec/gl-2.0/CMakeLists.gl.txt | 1 +
tests/spec/gl-2.0/vertex-attr-0.c | 116 ++++++++++++++++++++++++++++++++++++
3 files changed, 118 insertions(+)
create mode 100644 tests/spec/gl-2.0/vertex-attr-0.c
diff --git a/tests/all.py b/tests/all.py
index d8a17ba..ff2ff1f 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -1096,6 +1096,7 @@ with profile.test_list.group_manager(
g(['gl-2.0-two-sided-stencil'])
g(['gl-2.0-vertexattribpointer'])
g(['gl-2.0-vertexattribpointer-size-3'])
+ g(['gl-2.0-vertex-attr-0'])
g(['gl-2.0-vertex-const-attr'])
g(['gl-2.0-reuse_fragment_shader'])
g(['attrib-assignments'], run_concurrent=False)
diff --git a/tests/spec/gl-2.0/CMakeLists.gl.txt b/tests/spec/gl-2.0/CMakeLists.gl.txt
index 50f3678..ce62799 100644
--- a/tests/spec/gl-2.0/CMakeLists.gl.txt
+++ b/tests/spec/gl-2.0/CMakeLists.gl.txt
@@ -17,5 +17,6 @@ piglit_add_executable (gl-2.0-link-empty-prog glsl-link-empty-prog.c)
piglit_add_executable (gl-2.0-two-sided-stencil two-sided-stencil.c)
piglit_add_executable (gl-2.0-vertexattribpointer vertexattribpointer.c)
piglit_add_executable (gl-2.0-vertexattribpointer-size-3 vertexattribpointer-size-3.c)
+piglit_add_executable (gl-2.0-vertex-attr-0 vertex-attr-0.c)
piglit_add_executable (gl-2.0-vertex-const-attr vertex-const-attr.c)
piglit_add_executable (gl-2.0-reuse_fragment_shader reuse_fragment_shader.c)
diff --git a/tests/spec/gl-2.0/vertex-attr-0.c b/tests/spec/gl-2.0/vertex-attr-0.c
new file mode 100644
index 0000000..ea050ec
--- /dev/null
+++ b/tests/spec/gl-2.0/vertex-attr-0.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2017 VMware, 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.
+ *
+ */
+
+/**
+ * Test glVertexAttrib(index=0).
+ * Brian Paul
+ * 22 Aug 2017
+ */
+
+#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;
+ config.khr_no_error_support = PIGLIT_NO_ERRORS;
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vs =
+ "attribute vec4 color_in; \n"
+ "varying vec4 color; \n"
+ "void main() { \n"
+ " gl_Position = gl_Vertex; \n"
+ " color = color_in; \n"
+ "}\n";
+
+static const char *fs =
+ "varying vec4 color; \n"
+ "void main() \n"
+ "{ \n"
+ " gl_FragColor = color;\n"
+ "} \n";
+
+static GLint prog;
+
+
+enum piglit_result
+piglit_display(void)
+{
+ static const float color[4][4] = {
+ {1, 0, 0, 1},
+ {0, 1, 0, 1},
+ {0, 0, 1, 1},
+ {1, 1, 1, 1},
+ };
+ static const float verts[4][2] = {
+ {-1, -1},
+ { 1, -1},
+ { 1, 1},
+ {-1, 1},
+ };
+ GLint i, color_in;
+ bool pass = true;
+
+ glViewport(0, 0, piglit_width, piglit_height);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glUseProgram(prog);
+
+ color_in = glGetAttribLocation(prog, "color_in");
+ printf("color_in at locagion %d\n", color_in);
+
+ /* draw quad */
+ glBegin(GL_TRIANGLE_FAN);
+ for (i = 0; i < 4; i++) {
+ /* update generic attribute */
+ glVertexAttrib4fv(color_in, color[i]);
+ /* emit vertes */
+ glVertexAttrib2fv(0, verts[i]);
+ }
+ glEnd();
+
+ /* probe four corners */
+ pass &= piglit_probe_pixel_rgba(0, 0, color[0]);
+ pass &= piglit_probe_pixel_rgba(piglit_width - 1, 0, color[1]);
+ pass &= piglit_probe_pixel_rgba(piglit_width - 1, piglit_height - 1,
+ color[2]);
+ pass &= piglit_probe_pixel_rgba(0, piglit_height -1, color[3]);
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+ 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);
+ }
+}
--
1.9.1
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