[1/2] port ttexrect.cpp to piglit from glean

diff --git a/tests/all.tests b/tests/all.tests
index d0f29be..1f2d0a7 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1124,6 +1124,7 @@  arb_texture_rectangle['copyteximage RECT'] = PlainExecTest(['copyteximage', '-au
 add_concurrent_test(arb_texture_rectangle, '1-1-linear-texture')
 add_plain_test(arb_texture_rectangle, 'texrect-many')
 add_concurrent_test(arb_texture_rectangle, 'getteximage-targets RECT')
+add_plain_test(arb_texture_rectangle, 'texrect_simple_arb_texrect')
 
 arb_texture_storage = Group()
 spec['ARB_texture_storage'] = arb_texture_storage
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index a4342b7..8b06d5c 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -24,6 +24,7 @@  add_subdirectory (arb_texture_buffer_object)
 add_subdirectory (arb_texture_compression)
 add_subdirectory (arb_texture_cube_map_array)
 add_subdirectory (arb_texture_float)
+add_subdirectory (arb_texture_rectangle)
 add_subdirectory (arb_texture_storage)
 add_subdirectory (arb_timer_query)
 add_subdirectory (arb_transform_feedback2)
diff --git a/tests/spec/arb_texture_rectangle/CMakeLists.gl.txt b/tests/spec/arb_texture_rectangle/CMakeLists.gl.txt
new file mode 100644
index 0000000..d84a850
--- /dev/null
+++ b/tests/spec/arb_texture_rectangle/CMakeLists.gl.txt
@@ -0,0 +1,13 @@ 
+include_directories(
+	${GLEXT_INCLUDE_DIR}
+	${OPENGL_INCLUDE_PATH}
+	${piglit_SOURCE_DIR}/tests/mesa/util
+)
+
+link_libraries (
+	piglitutil_${piglit_target_api}
+	${OPENGL_gl_LIBRARY}
+	${OPENGL_glu_LIBRARY}
+)
+
+piglit_add_executable (texrect_simple_arb_texrect texrect-simple.c)
diff --git a/tests/spec/arb_texture_rectangle/CMakeLists.txt b/tests/spec/arb_texture_rectangle/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/arb_texture_rectangle/CMakeLists.txt
@@ -0,0 +1 @@ 
+piglit_include_target_api()
diff --git a/tests/spec/arb_texture_rectangle/texrect-simple.c b/tests/spec/arb_texture_rectangle/texrect-simple.c
new file mode 100644
index 0000000..79373b2
--- /dev/null
+++ b/tests/spec/arb_texture_rectangle/texrect-simple.c
@@ -0,0 +1,135 @@ 
+/* Copyright © 2013 Linaro 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.
+ */
+
+/**
+ * Ported from glean ttexrect.cpp into piglit.
+ * Test the ARB_texture_rectangle extension
+ *   Create a 255x127 texture of varying colors and bind it as a
+ *   GL_ARB_texture_recangle target.  Draw that rectangle to the window, and
+ *   check that the texture was drawn correctly.  The common failure to be
+ *   caught with this test is not adjusting the non-normalized coordinates on
+ *   hardware that expects normalized coordinates.
+ * \author: Eric Anholt <eric@anholt.net> (original)
+ * \author: Tom Gall <tom.gall@linaro.org> (port)
+ */
+#include "piglit-util-gl-common.h"
+
+#define TEXTURE_WIDTH   255
+#define TEXTURE_HEIGHT  127
+#define WINDOW_SIZE     256
+
+float image[TEXTURE_WIDTH * TEXTURE_HEIGHT * 3];
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+	config.window_width = WINDOW_SIZE;
+	config.window_height = WINDOW_SIZE;
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DEPTH
+		| PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+
+enum piglit_result
+piglit_display(void)
+{
+	int x,y,i;
+	enum piglit_result final_result = PIGLIT_PASS;
+
+	/* Draw our texture to the window such that each texel should map
+	 * to the corresponding pixel of the window.
+	 */
+	glBegin(GL_POLYGON);
+	glTexCoord2f(0, 0);
+	glVertex2f(0, 0);
+
+	glTexCoord2f(TEXTURE_WIDTH, 0);
+	glVertex2f(TEXTURE_WIDTH, 0);
+
+	glTexCoord2f(TEXTURE_WIDTH, TEXTURE_HEIGHT);
+	glVertex2f(TEXTURE_WIDTH, TEXTURE_HEIGHT);
+
+	glTexCoord2f(0, TEXTURE_HEIGHT);
+	glVertex2f(0, TEXTURE_HEIGHT);
+	glEnd();
+
+	piglit_swap_buffers();
+
+	/* Verify the output */
+	for (y = 0; y < TEXTURE_HEIGHT; y++) {
+		for (x = 0; x < TEXTURE_WIDTH; x++) {
+			i = (y * TEXTURE_WIDTH + x) * 3;
+
+			if (!piglit_probe_pixel_rgb(x,y, &image[i])) {
+				final_result = PIGLIT_FAIL;
+			}
+		}
+	}
+
+	piglit_report_result(final_result);
+	return final_result;
+}
+
+
+void
+piglit_init(int argc, char *argv[])
+{
+	int x,y,i;
+
+	/* Set up a texture that is color ramps with red to black top to
+	 * bottom and green to black left to right.
+	 */
+	for (y = 0; y < TEXTURE_HEIGHT; y++) {
+		for (x = 0; x < TEXTURE_WIDTH; x++) {
+			i = (y * TEXTURE_WIDTH + x) * 3;
+
+			image[i + 0] = (float)x / (TEXTURE_WIDTH - 1);
+			image[i + 1] = 1.0 - ((float)  y / (TEXTURE_HEIGHT - 1));
+			image[i + 2] = 0.0;
+		}
+	}
+
+	glClearColor(0.0, 0.0, 0.0, 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glShadeModel(GL_FLAT);
+
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glOrtho(0, WINDOW_SIZE, 0, WINDOW_SIZE, -1, 1);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glViewport(0, 0, WINDOW_SIZE, WINDOW_SIZE);
+
+	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB,
+		TEXTURE_WIDTH, TEXTURE_HEIGHT, 0, GL_RGB, GL_FLOAT, image);
+	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
+		GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
+		GL_NEAREST);
+	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+	glEnable(GL_TEXTURE_RECTANGLE_ARB);
+
+	glDrawBuffer(GL_BACK);
+	glReadBuffer(GL_BACK);
+}