Attachment 35017 Details for Bug 27643 – Test case

[patch] Test case

0001-Add-a-test-for-setting-a-scissor-that-is-fully-offsc.patch (text/plain), 3.45 KB, created by Neil Roberts on 2010-04-14 10:28:19 UTC

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Creator: Neil Roberts

Created: 2010-04-14 10:28:19 UTC

Size: 3.45 KB

patch

obsolete

>From f4c0f51bd2041a3992eea5121a45702b0a6b2466 Mon Sep 17 00:00:00 2001
>From: Neil Roberts <neil@linux.intel.com>
>Date: Wed, 14 Apr 2010 18:23:32 +0100
>Subject: [PATCH] Add a test for setting a scissor that is fully offscreen
>
>The test sets a zero-width and height scissor that is off the edge of
>the window. This should clip everything. It then tries to fill the
>window with red triangles. These do not currently get clipped on i965.
>---
> tests/all.tests                |    1 +
> tests/bugs/CMakeLists.txt      |    1 +
> tests/bugs/offscreen-scissor.c |   69 ++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 71 insertions(+), 0 deletions(-)
> create mode 100644 tests/bugs/offscreen-scissor.c
>
>diff --git a/tests/all.tests b/tests/all.tests
>index ba1efe0..0f4b4d2 100644
>--- a/tests/all.tests
>+++ b/tests/all.tests
>@@ -258,6 +258,7 @@ add_plain_test(bugs, 'fdo23670-depth_test')
> add_plain_test(bugs, 'fdo23670-drawpix_stencil')
> add_plain_test(bugs, 'fdo24066')
> add_plain_test(bugs, 'fdo25614-genmipmap')
>+add_plain_test(bugs, 'offscreen-scissor')
> 
> glx = Group()
> add_plain_test(glx, 'glx-multithread')
>diff --git a/tests/bugs/CMakeLists.txt b/tests/bugs/CMakeLists.txt
>index 3a72a96..ca80ce3 100644
>--- a/tests/bugs/CMakeLists.txt
>+++ b/tests/bugs/CMakeLists.txt
>@@ -35,3 +35,4 @@ add_executable (fdo23670-depth_test fdo23670-depth_test.c)
> add_executable (fdo23670-drawpix_stencil fdo23670-drawpix_stencil.c)
> add_executable (fdo24066 fdo24066.c)
> add_executable (fdo25614-genmipmap fdo25614-genmipmap.c)
>+add_executable (offscreen-scissor offscreen-scissor.c)
>diff --git a/tests/bugs/offscreen-scissor.c b/tests/bugs/offscreen-scissor.c
>new file mode 100644
>index 0000000..ea350d5
>--- /dev/null
>+++ b/tests/bugs/offscreen-scissor.c
>@@ -0,0 +1,69 @@
>+/*
>+ * Test case for setting a scissor that is entirely offscreen. This
>+ * should clip everything but under current Mesa master with i965 it
>+ * clips nothing
>+ */
>+
>+#include "piglit-util.h"
>+
>+static int Automatic = 0;
>+
>+#define WIN_WIDTH 64
>+#define WIN_HEIGHT 64
>+
>+void display(void)
>+{
>+	static const GLint triangle_vertices[] = {
>+		-1, -1,
>+		1, -1,
>+		-1, 1,
>+		1, 1
>+	};
>+	static const GLfloat window_color[] = { 1.0f, 1.0f, 1.0f, 1.0f };
>+	int pass;
>+
>+	/* Clear to white */
>+	glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
>+	glClear(GL_COLOR_BUFFER_BIT);
>+
>+	/* Set a fully offscreen scissor. This should clip everything */
>+	glEnable(GL_SCISSOR_TEST);
>+	glScissor(0, WIN_HEIGHT, 0, 0);
>+
>+	/* Fill the window with red triangles */
>+	glEnableClientState(GL_VERTEX_ARRAY);
>+	glColor3f (1.0f, 0.0f, 0.0f);
>+	glVertexPointer(2, GL_INT, 0, triangle_vertices);
>+	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
>+	glDisableClientState(GL_VERTEX_ARRAY);
>+
>+	glDisable(GL_SCISSOR_TEST);
>+
>+	/* Verify some pixels around the window */
>+	pass = piglit_probe_pixel_rgb(0, 0, window_color);
>+	pass = piglit_probe_pixel_rgb(WIN_WIDTH / 2, WIN_HEIGHT / 2,
>+				      window_color) && pass;
>+	pass = piglit_probe_pixel_rgb(WIN_WIDTH - 1, WIN_HEIGHT - 1,
>+				      window_color) && pass;
>+
>+	glutSwapBuffers();
>+
>+	if (Automatic)
>+		piglit_report_result(pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE);
>+}
>+
>+
>+int main(int argc, char**argv)
>+{
>+	glutInit(&argc, argv);
>+	if (argc == 2 && !strcmp(argv[1], "-auto"))
>+		Automatic = 1;
>+	glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
>+	glutInitWindowSize(WIN_WIDTH, WIN_HEIGHT);
>+	glutInitWindowPosition(100, 100);
>+	glutCreateWindow("offscreen-scissor");
>+	glutDisplayFunc(display);
>+	glutMainLoop();
>+
>+	return 0;
>+}
>-- 
>1.6.5.rc1.46.g4d818
>

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