fbo-es2-compat-drawbuffers: New test for fbo completeness ignoring drawbuffers.es2-compat

3 files changed, 112 insertions, 0 deletions

diff --git a/tests/all.tests b/tests/all.tests
index 8ade8d9e8..465f4e215 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -86,6 +86,7 @@ add_plain_test(fbo, 'fbo-drawbuffers-maxtargets')
 add_plain_test(fbo, 'fbo-drawbuffers2-blend')
 add_plain_test(fbo, 'fbo-drawbuffers2-colormask')
 add_plain_test(fbo, 'fbo-d24s8')
+add_plain_test(fbo, 'fbo-es2-compat-drawbuffers')
 add_plain_test(fbo, 'fbo-flushing')
 add_plain_test(fbo, 'fbo-generatemipmap')
 add_plain_test(fbo, 'fbo-generatemipmap-scissor')
diff --git a/tests/fbo/CMakeLists.txt b/tests/fbo/CMakeLists.txt
index 096bb1439..7db7a3c2b 100644
--- a/tests/fbo/CMakeLists.txt
+++ b/tests/fbo/CMakeLists.txt
@@ -34,6 +34,7 @@ add_executable (fbo-drawbuffers-fragcolor fbo-drawbuffers-fragcolor.c)
 add_executable (fbo-drawbuffers-maxtargets fbo-drawbuffers-maxtargets.c)
 add_executable (fbo-drawbuffers2-blend fbo-drawbuffers2-blend.c)
 add_executable (fbo-drawbuffers2-colormask fbo-drawbuffers2-colormask.c)
+add_executable (fbo-es2-compat-drawbuffers fbo-es2-compat-drawbuffers.c)
 add_executable (fbo-flushing fbo-flushing.c)
 add_executable (fbo-generatemipmap fbo-generatemipmap.c)
 add_executable (fbo-generatemipmap-scissor fbo-generatemipmap-scissor.c)
diff --git a/tests/fbo/fbo-es2-compat-drawbuffers.c b/tests/fbo/fbo-es2-compat-drawbuffers.c
new file mode 100644
index 000000000..9eeb752a1
--- /dev/null
+++ b/tests/fbo/fbo-es2-compat-drawbuffers.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * 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.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+/** @file es2-compat-fbo-drawbuffers.c
+ *
+ * Tests that point DrawBuffers or ReadBuffers at unattached attachment points
+ * doesn't result in INCOMPLETE_DRAW_BUFFER or INCOMPLETE_READ_BUFFER with
+ * ARB_ES2_compatibility.
+ */
+
+#include "piglit-util.h"
+
+int piglit_width = 128;
+int piglit_height = 128;
+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
+
+static GLuint
+attach_texture(int i)
+{
+	GLuint tex;
+
+	glGenTextures(1, &tex);
+	glBindTexture(GL_TEXTURE_2D, tex);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+		     piglit_width, piglit_height, 0,
+		     GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
+				  GL_COLOR_ATTACHMENT0_EXT + i,
+				  GL_TEXTURE_2D,
+				  tex,
+				  0);
+	assert(glGetError() == 0);
+
+	return tex;
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAILURE;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	GLuint tex0, fb;
+	GLenum status;
+
+	piglit_require_extension("GL_ARB_ES2_compatibility");
+
+	glGenFramebuffersEXT(1, &fb);
+	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
+
+	tex0 = attach_texture(0);
+
+	glDrawBuffer(GL_COLOR_ATTACHMENT0);
+	glReadBuffer(GL_COLOR_ATTACHMENT0);
+
+	status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+	if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+		fprintf(stderr, "fbo incomplete (status = 0x%04x)\n", status);
+		piglit_report_result(PIGLIT_SKIP);
+	}
+
+	glDrawBuffer(GL_COLOR_ATTACHMENT1);
+	status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+	if (status == GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER) {
+		fprintf(stderr, "fbo incomplete draw buffer\n");
+		piglit_report_result(PIGLIT_FAILURE);
+	}
+
+	glReadBuffer(GL_COLOR_ATTACHMENT1);
+	status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+	if (status == GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER) {
+		fprintf(stderr, "fbo incomplete read buffer\n");
+		piglit_report_result(PIGLIT_FAILURE);
+	}
+
+	assert(glGetError() == 0);
+
+	piglit_report_result(PIGLIT_SUCCESS);
+}