Attachment 53030 Details for Bug 42435 – piglit test case for the problem as a patch

piglit test case for the problem as a patch

glsl-pointvarying.diff (text/plain), 4.95 KB, created by Alexander Sabourenkov on 2011-11-01 18:03:56 UTC

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Creator: Alexander Sabourenkov

Created: 2011-11-01 18:03:56 UTC

Size: 4.95 KB

patch

obsolete

>commit 5dc4db0c84420eae6871b385ab93917a7e938c9e
>Author: Alexander Sabourenkov <screwdriver@lxnt.info>
>Date:   Wed Nov 2 05:02:30 2011 +0400
>
>    add glsl-pointvarying test
>
>diff --git a/tests/all.tests b/tests/all.tests
>index 4648507..e189c2e 100644
>--- a/tests/all.tests
>+++ b/tests/all.tests
>@@ -378,6 +378,7 @@ add_plain_test(shaders, 'getuniform-02')
> add_plain_test(shaders, 'glsl-invalid-asm-01')
> add_plain_test(shaders, 'glsl-invalid-asm-02')
> add_plain_test(shaders, 'glsl-novertexdata')
>+add_plain_test(shaders, 'glsl-pointvarying')
> add_plain_test(shaders, 'glsl-preprocessor-comments')
> add_plain_test(shaders, 'glsl-reload-source')
> add_plain_test(shaders, 'glsl-uniform-out-of-bounds')
>diff --git a/tests/shaders/CMakeLists.gl.txt b/tests/shaders/CMakeLists.gl.txt
>index 175458c..cb19cf5 100644
>--- a/tests/shaders/CMakeLists.gl.txt
>+++ b/tests/shaders/CMakeLists.gl.txt
>@@ -65,6 +65,7 @@ add_executable (getuniform-02 getuniform-02.c)
> add_executable (glsl-invalid-asm-01 glsl-invalid-asm-01.c)
> add_executable (glsl-invalid-asm-02 glsl-invalid-asm-02.c)
> add_executable (glsl-novertexdata glsl-novertexdata.c)
>+add_executable (glsl-pointvarying glsl-pointvarying.c)
> add_executable (glsl-orangebook-ch06-bump glsl-orangebook-ch06-bump.c)
> add_executable (glsl-reload-source glsl-reload-source.c)
> add_executable (glsl-unused-varying glsl-unused-varying.c)
>diff --git a/tests/shaders/glsl-pointvarying.c b/tests/shaders/glsl-pointvarying.c
>new file mode 100644
>index 0000000..f330bea
>--- /dev/null
>+++ b/tests/shaders/glsl-pointvarying.c
>@@ -0,0 +1,123 @@
>+/*
>+ * Copyright Â© 2009 Intel Corporation
>+ * Copyright Â© 2010 VMware, Inc.
>+ *
>+ * 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 glsl-pointvarying.c
>+ *
>+ * Test if we can reliably pass colors via varyings between shaders.
>+ *
>+ * This test is based on the glsl-novertexdata.c test written
>+ * by Ian.
>+ *
>+ * \author Ian Romanick <ian.d.romanick@intel.com>
>+ * \author Brian Paul
>+ * \author Alexander Sabourenkov
>+ */
>+
>+#include "piglit-util.h"
>+#include "piglit-framework.h"
>+
>+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
>+int piglit_width = 100;
>+int piglit_height = 100;
>+
>+static const GLchar *vertShaderText =
>+	"attribute vec4 attrib;\n"
>+	"varying float comp;\n"
>+	"void main()\n"
>+	"{\n"
>+	"	comp = 1.0;\n"
>+	"	gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\n"
>+	"} \n";
>+	
>+static const GLchar *fragShaderText =
>+	"varying float comp;\n"
>+	"void main()\n"
>+	"{\n"
>+	"	gl_FragColor = vec4(comp, 0.0, comp, 1.0);\n"
>+	"} \n";
>+
>+enum piglit_result
>+piglit_display(void)
>+{
>+	static const GLfloat expColor[4] = {0, 1, 0, 1};
>+	GLint vs, fs;
>+	GLint prog;
>+	GLint stat;
>+	enum piglit_result result;
>+
>+	vs = glCreateShader(GL_VERTEX_SHADER);
>+	glShaderSource(vs, 1, &vertShaderText, NULL);
>+
>+	glCompileShader(vs);
>+	glGetShaderiv(vs, GL_COMPILE_STATUS, &stat);
>+	if (!stat) {
>+                printf("glsl-pointvarying:  error compiling vertex shader!\n");
>+                exit(1);
>+        }
>+
>+	fs = glCreateShader(GL_FRAGMENT_SHADER);
>+	glShaderSource(vs, 1, &fragShaderText, NULL);
>+
>+	glCompileShader(fs);
>+	glGetShaderiv(fs, GL_COMPILE_STATUS, &stat);
>+	if (!stat) {
>+                printf("glsl-pointvarying:  error compiling fragment shader!\n");
>+                exit(1);
>+        }
>+	
>+	prog = glCreateProgram();
>+	glAttachShader(prog, vs);
>+	glAttachShader(prog, fs);
>+	glLinkProgram(prog);
>+	glUseProgram(prog);
>+
>+	glMatrixMode(GL_PROJECTION);
>+	glLoadIdentity();
>+	glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
>+
>+	glClear(GL_COLOR_BUFFER_BIT);
>+
>+        glPointSize(20.0);
>+	glDrawArrays(GL_POINTS, 0, 1);
>+
>+	result = piglit_probe_pixel_rgba(piglit_width /2, piglit_height / 2,
>+                                         expColor)
>+		? PIGLIT_PASS : PIGLIT_FAIL;
>+
>+	glutSwapBuffers();
>+
>+	return result;
>+}
>+
>+
>+void
>+piglit_init(int argc, char **argv)
>+{
>+	if (!GLEW_VERSION_2_0) {
>+		printf("Requires OpenGL 2.0\n");
>+		piglit_report_result(PIGLIT_SKIP);
>+		exit(1);
>+	}
>+}

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Attachments on bug 42435: 52954 | 53025 | 53028 | 53029 | 53030 | 53031 | 53033

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