arb_direct_state_access: Add a compatibility-profile draw testarb-direct-state-access

This test verifies that changes to vaobj=0 are applied to the default
vertex array object, and not to the currently bound vertex array object.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

3 files changed, 173 insertions, 0 deletions

diff --git a/tests/all.py b/tests/all.py
index 0dbb59dc6..5d7bdabf0 100755
--- a/tests/all.py
+++ b/tests/all.py
@@ -4291,6 +4291,7 @@ with profile.group_manager(
     g(['arb_direct_state_access-vao-get'], 'vao-get')
     g(['arb_direct_state_access-vao-core'], 'vao-core')
     g(['arb_direct_state_access-vao-compat'], 'vao-compat')
+    g(['arb_direct_state_access-vao-compat-draw'], 'vao-compat-draw')
 
 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 5dd4835a7..c0bdb512c 100644
--- a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
+++ b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
@@ -47,4 +47,5 @@ piglit_add_executable (arb_direct_state_access-vao-vertex-buffers vao-vertex-buf
 piglit_add_executable (arb_direct_state_access-vao-get vao-get.c)
 piglit_add_executable (arb_direct_state_access-vao-core vao-core.c dsa-utils.c)
 piglit_add_executable (arb_direct_state_access-vao-compat vao-compat.c dsa-utils.c)
+piglit_add_executable (arb_direct_state_access-vao-compat-draw vao-compat-draw.c)
 # vim: ft=cmake:
diff --git a/tests/spec/arb_direct_state_access/vao-compat-draw.c b/tests/spec/arb_direct_state_access/vao-compat-draw.c
new file mode 100644
index 000000000..31d73bdfe
--- /dev/null
+++ b/tests/spec/arb_direct_state_access/vao-compat-draw.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2015 Fredrik Höglund
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS AND/OR THEIR SUPPLIERS 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.
+ */
+
+/**
+ * @file vao-compat-draw.c
+ *
+ * This test verifies that changes made to vaobj=0 are applied to the default
+ * vertex array object, and not to the currently bound vertex array object.
+ */
+
+#include "piglit-util-gl.h"
+
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 20;
+
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+
+#define VA_POSITION 0
+#define VA_COLOR    1
+
+
+const char *vs =
+    "attribute vec4 vertex;\n"
+    "attribute vec4 color;\n"
+    "varying vec4 out_color;\n"
+    "void main(void)\n{\n"
+    "    gl_Position = vertex;\n"
+    "    out_color = color;\n"
+    "}";
+
+const char *fs =
+    "varying vec4 out_color;\n"
+    "void main(void)\n{\n"
+    "    gl_FragColor = out_color;\n"
+    "}";
+
+
+enum piglit_result
+piglit_display(void)
+{
+	GLuint vao;
+	float green[] = { 0.0, 1.0, 0.0, 1.0 };
+
+	float vertices[] = {
+		/* Top half of the window */
+		-1.0,  0.0,
+		-1.0,  1.0,
+		 1.0,  0.0,
+		 1.0,  1.0,
+
+		/* Bottom half of the window */
+		-1.0, -1.0,
+		-1.0,  0.0,
+		 1.0, -1.0,
+		 1.0,  0.0,
+	};
+
+	bool pass = true;
+
+	/* Create two VBO's. The first contains the vertex positions,
+	 * and the second contains the color.
+	 */
+	GLuint vbo[2];
+	glCreateBuffers(2, vbo);
+
+	glNamedBufferData(vbo[0], sizeof(vertices), vertices, GL_STATIC_DRAW);
+	glNamedBufferData(vbo[1], sizeof(green), green, GL_STATIC_DRAW);
+
+	/* Set up the non-default VAO */
+	glCreateVertexArrays(1, &vao);
+	glVertexArrayAttribFormat(vao, VA_POSITION, 2, GL_FLOAT, GL_FALSE, 0);
+	glVertexArrayAttribBinding(vao, VA_POSITION, 0);
+	glEnableVertexArrayAttrib(vao, VA_POSITION);
+
+	glVertexArrayAttribFormat(vao, VA_COLOR, 4, GL_FLOAT, GL_FALSE, 0);
+	glVertexArrayAttribBinding(vao, VA_COLOR, 1);
+	glEnableVertexArrayAttrib(vao, VA_COLOR);
+
+	/* Bind the VBO's. Set the offset of the first bind point
+	 * so we draw the top half of the window. Note that the stride
+	 * for the color bind point is set to zero.
+	 */
+	glVertexArrayVertexBuffer(vao, 0, vbo[0], 0, 2 * sizeof(float));
+	glVertexArrayVertexBuffer(vao, 1, vbo[1], 0, 0);
+
+	/* Bind vao so a non-default VAO is bound while we're making
+	 * changes to the default VAO
+	 */
+	glBindVertexArray(vao);
+
+	/* Set up the default VAO */
+	glVertexArrayAttribFormat(0, VA_POSITION, 2, GL_FLOAT, GL_FALSE, 0);
+	glVertexArrayAttribBinding(0, VA_POSITION, 0);
+	glEnableVertexArrayAttrib(0, VA_POSITION);
+
+	glVertexArrayAttribFormat(0, VA_COLOR, 4, GL_FLOAT, GL_FALSE, 0);
+	glVertexArrayAttribBinding(0, VA_COLOR, 1);
+	glEnableVertexArrayAttrib(0, VA_COLOR);
+
+	/* Bind the VBO's and set the offset of the first bind point
+	 * so we draw the bottom half of the window.
+	 */
+	glVertexArrayVertexBuffer(0, 0, vbo[0], 8 * sizeof(float),
+	                          2 * sizeof(float));
+	glVertexArrayVertexBuffer(0, 1, vbo[1], 0, 0);
+
+	/* Clear the back buffer to red */
+	glClearColor(1.0, 0.0, 0.0, 1.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	/* Draw the arrays in the non-default vao */
+	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+	/* Draw the arrays in the default VAO */
+	glBindVertexArray(0);
+	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+	glDeleteVertexArrays(1, &vao);
+	glDeleteBuffers(2, vbo);
+
+	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+	                              green) && pass;
+
+	piglit_present_results();
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char *argv[])
+{
+	GLuint program;
+
+	piglit_require_extension("GL_ARB_direct_state_access");
+	piglit_require_extension("GL_ARB_vertex_array_object");
+	piglit_require_extension("GL_ARB_vertex_attrib_binding");
+
+	program = piglit_build_simple_program_unlinked(vs, fs);
+	glBindAttribLocation(program, VA_POSITION, "vertex");
+	glBindAttribLocation(program, VA_COLOR, "color");
+	glLinkProgram(program);
+
+	glUseProgram(program);
+}
+