arb_direct_state_access: Testing NamedFramebufferRenderbuffer.

3 files changed, 161 insertions, 0 deletions

diff --git a/tests/all.py b/tests/all.py
index 47edcfceb..873581e63 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -4241,6 +4241,7 @@ with profile.group_manager(
     g(['arb_direct_state_access-compressedtexturesubimage'], 'compressedtexturesubimage')
     g(['arb_direct_state_access-create-buffers'], 'create-buffers')
     g(['arb_direct_state_access-create-framebuffers'], 'create-framebuffers')
+    g(['arb_direct_state_access-namedframebufferrenderbuffer'], 'namedframebufferrenderbuffer')
 
 with profile.group_manager(
         PiglitGLTest,
diff --git a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
index ebf18b60b..41949f724 100644
--- a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
+++ b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
@@ -25,6 +25,7 @@ piglit_add_executable (arb_direct_state_access-unmapnamedbuffer-vbo unmapnamedbu
 piglit_add_executable (arb_direct_state_access-flushmappednamedbufferrange flushmappednamedbufferrange.c)
 piglit_add_executable (arb_direct_state_access-getnamedbufferparameter getnamedbufferparameter.c)
 piglit_add_executable (arb_direct_state_access-getnamedbuffersubdata getnamedbuffersubdata.c)
+piglit_add_executable (arb_direct_state_access-namedframebufferrenderbuffer namedframebufferrenderbuffer.c)
 piglit_add_executable (arb_direct_state_access-dsa-textures dsa-textures.c dsa-utils.c)
 piglit_add_executable (arb_direct_state_access-texturesubimage texturesubimage.c)
 piglit_add_executable (arb_direct_state_access-bind-texture-unit bind-texture-unit.c)
diff --git a/tests/spec/arb_direct_state_access/namedframebufferrenderbuffer.c b/tests/spec/arb_direct_state_access/namedframebufferrenderbuffer.c
new file mode 100644
index 000000000..df82400e5
--- /dev/null
+++ b/tests/spec/arb_direct_state_access/namedframebufferrenderbuffer.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2012 VMware, Inc.
+ * Copyright 2015 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.
+ */
+
+/**
+ * Test glViewport w/ FBOs.
+ * In Mesa, on-screen windows and user-created FBOs are stored differently
+ * (inverted).  Make sure viewports are handled properly.
+ * Draw a test pattern (with many viewports) into the window, then draw the
+ * same thing into an FBO.  Compare the images.  They should be the same.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+
+	config.window_width = 500;
+	config.window_height = 500;
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+/**
+ * Draw an rgbw texture in a bunch of viewports which tile the window.
+ * Note that viewports extend beyond the edges of the window too.
+ */
+static void
+draw_test_image(void)
+{
+	int vx, vy, vw = 200, vh = 200;
+	GLuint texture;
+
+	texture = piglit_rgbw_texture(GL_RGBA8, 32, 32, GL_FALSE, GL_FALSE,
+				      GL_UNSIGNED_BYTE);
+	glBindTextureUnit(0, texture);
+
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glFrustum(-1, 1, -1, 1, 3, 9.5);
+
+	/* Draw some quads at an odd rotation.
+	 * Note that we want near/far frustum clipping.
+	 */
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+	glTranslatef(0, 1, -6.20);
+	glRotatef(-60, 1, 0, 0);
+	glRotatef(30, 0, 0, 1);
+	glScalef(3.5, 3.5, 3.5);
+
+	/* loop over viewports */
+	for (vy = -50; vy < piglit_height; vy += vh+10) {
+		for (vx = -30; vx < piglit_width; vx += vw+10) {
+			glViewport(vx, vy, vw, vh);
+			piglit_draw_rect_tex(-1, -1, 1, 1, 0, 0, 1, 1);
+		}
+	}
+
+	glPopMatrix();
+
+	glDeleteTextures(1, &texture);
+}
+
+
+enum piglit_result
+piglit_display(void)
+{
+	GLubyte *win_image, *fbo_image;
+	GLuint fbo, rb;
+	bool pass = true;
+
+	win_image = (GLubyte *) malloc(piglit_width * piglit_height * 3);
+	fbo_image = (GLubyte *) malloc(piglit_width * piglit_height * 3);
+
+	glPixelStorei(GL_PACK_ALIGNMENT, 1);
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+	glCreateFramebuffers(1, &fbo);
+	glGenRenderbuffers(1, &rb);
+	glBindRenderbuffer(GL_RENDERBUFFER, rb);
+	glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA,
+			      piglit_width, piglit_height);
+	glNamedFramebufferRenderbuffer(fbo, GL_COLOR_ATTACHMENT0,
+				       GL_RENDERBUFFER, rb);
+
+	if (!piglit_check_gl_error(GL_NO_ERROR))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+	assert(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) ==
+			 GL_FRAMEBUFFER_COMPLETE_EXT);
+
+	/* draw reference image in the window */
+	glBindFramebuffer(GL_FRAMEBUFFER, piglit_winsys_fbo);
+	draw_test_image();
+	glReadPixels(0, 0, piglit_width, piglit_height,
+		     GL_RGB, GL_UNSIGNED_BYTE, win_image);
+
+	/* draw test image in fbo */
+	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+	glReadBuffer(GL_COLOR_ATTACHMENT0);
+	draw_test_image();
+	glReadPixels(0, 0, piglit_width, piglit_height,
+		     GL_RGB, GL_UNSIGNED_BYTE, fbo_image);
+
+	/* compare images */
+	if (memcmp(win_image, fbo_image, piglit_width * piglit_height * 3)) {
+		printf("Image comparison failed!\n");
+		pass = false;
+	}
+	else if (!piglit_automatic) {
+		printf("Image comparison passed.\n");
+	}
+
+	glBindFramebuffer(GL_FRAMEBUFFER, piglit_winsys_fbo);
+
+	piglit_present_results();
+
+	glDeleteRenderbuffers(1, &rb);
+	glDeleteFramebuffers(1, &fbo);
+	free(win_image);
+	free(fbo_image);
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+	piglit_require_extension("GL_ARB_direct_state_access");
+	piglit_require_extension("GL_ARB_framebuffer_object");
+	glClearColor(0.2, 0.2, 0.2, 0.0);
+	glEnable(GL_TEXTURE_2D);
+}