[Piglit] [PATCH] egl: Add EGL_KHR_gl_texture_2d_image/GL_OES_EGL_image test

[christopher.halse.rogers at canonical.com]

From: Christopher James Halse Rogers <raof at ubuntu.com>

---

This looks pretty much right to me, but it may be missing some necessary
flushing - it will occasionally fail on i965, and more frequently on
radeon with my gallium image patch series.

 tests/egl/CMakeLists.gl.txt  |   2 +
 tests/egl/egl-khr-gl-image.c | 142 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 144 insertions(+)
 create mode 100644 tests/egl/egl-khr-gl-image.c

diff --git a/tests/egl/CMakeLists.gl.txt b/tests/egl/CMakeLists.gl.txt
index 4a2a57c..0115e2c 100644
--- a/tests/egl/CMakeLists.gl.txt
+++ b/tests/egl/CMakeLists.gl.txt
@@ -20,6 +20,8 @@ IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 	target_link_libraries(egl-create-surface pthread ${X11_X11_LIB})
 	piglit_add_executable (egl-query-surface egl-util.c egl-query-surface.c)
 	target_link_libraries(egl-query-surface pthread ${X11_X11_LIB})
+	piglit_add_executable (egl-khr-gl-image egl-util.c egl-khr-gl-image.c)
+	target_link_libraries(egl-khr-gl-image pthread ${X11_X11_LIB})
 
 	add_subdirectory(spec)
 ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
diff --git a/tests/egl/egl-khr-gl-image.c b/tests/egl/egl-khr-gl-image.c
new file mode 100644
index 0000000..5b0d58e
--- /dev/null
+++ b/tests/egl/egl-khr-gl-image.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright © 2013 Canonical 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.
+ *
+ * Author: Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
+ */
+
+#include "piglit-util-gl-common.h"
+#include "egl-util.h"
+
+#ifdef EGL_KHR_gl_texture_2D_image
+
+const char *extensions[] = { "EGL_KHR_gl_texture_2D_image", NULL };
+
+static enum piglit_result
+draw(struct egl_state *state)
+{
+	float aubergine[] = { 0.46, 0.13, 0.44, 1.0 };
+	float orange[] = { 0.86, 0.28, 0.08, 1.0 };
+	GLuint fb = 0;
+	GLuint exportTex, importTex;
+	EGLImageKHR texImg;
+	PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
+	PFNGLEGLIMAGETARGETTEXTURE2DOESPROC EGLImageTargetTexture2DOES;
+
+	piglit_require_extension("GL_OES_EGL_image");
+	piglit_require_extension("GL_EXT_framebuffer_object");
+
+	eglCreateImageKHR =
+		(PFNEGLCREATEIMAGEKHRPROC) eglGetProcAddress("eglCreateImageKHR");
+	EGLImageTargetTexture2DOES =
+		(PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) eglGetProcAddress("glEGLImageTargetTexture2DOES");
+
+	/* Allocate render texture */
+	glGenTextures(1, &exportTex);
+
+	glBindTexture(GL_TEXTURE_2D, exportTex);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 100, 100, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
+
+	/* Bind to eglImageOES */
+	texImg = eglCreateImageKHR(state->egl_dpy, state->ctx,
+							   EGL_GL_TEXTURE_2D_KHR,
+							   (EGLClientBuffer)exportTex,
+							   NULL);
+
+	/* Bind EGL image to output texture */
+	glGenTextures(1, &importTex);
+
+	glBindTexture(GL_TEXTURE_2D, importTex);
+	EGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)texImg);
+
+	if (!eglMakeCurrent(state->egl_dpy,
+						state->surf, state->surf, state->ctx)) {
+		fprintf(stderr, "eglMakeCurrent() failed\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	glGenFramebuffersEXT(1, &fb);
+	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
+
+	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, exportTex, 0);
+
+	if (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT) {
+		fprintf(stderr, "FBO incomplete\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	/* Clear render texture to orange */
+	glClearColor(orange[0], orange[1], orange[2], orange[3]);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+
+	glViewport(0, 0, state->width, state->height);
+	piglit_ortho_projection(state->width, state->height, GL_FALSE);
+
+	glClearColor(aubergine[0], aubergine[1], aubergine[2], aubergine[3]);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glEnable(GL_TEXTURE_2D);
+	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	glBindTexture(GL_TEXTURE_2D, importTex);
+	piglit_draw_rect_tex(20, 20, 100, 100,  0, 0, 1, 1);
+	eglSwapBuffers(state->egl_dpy, state->surf);	
+
+	if (!piglit_probe_pixel_rgba(10, 10, aubergine) ||
+		!piglit_probe_pixel_rgba(50, 10, aubergine) ||
+		!piglit_probe_pixel_rgba(10, 50, aubergine) ||
+		!piglit_probe_pixel_rgba(50, 50, orange) ||
+		!piglit_probe_pixel_rgba(110, 110, orange) ||
+		!piglit_probe_pixel_rgba(130, 130, aubergine))
+		return PIGLIT_FAIL;
+
+	return PIGLIT_PASS;
+}
+
+int
+main(int argc, char *argv[])
+{
+	struct egl_test test;
+
+	egl_init_test(&test);
+	test.extensions = extensions;
+	test.draw = draw;
+
+	return egl_util_run(&test, argc, argv);
+}
+
+#else
+
+int
+main(int argc, char *argv[])
+{
+	piglit_report_result(PIGLIT_SKIP);
+
+	return 0;
+}
+
+#endif
-- 
1.8.4.4