From 5eb59935e3dcd1be1ebb41c8fadf449473bc28c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <me@emiliocobos.me>
Date: Thu, 7 Apr 2016 00:19:19 +0200
Subject: [PATCH] webgl: Add test for Texture2d's ArrayBufferView overload

---
 tests/wpt/mozilla/meta/MANIFEST.json          |  24 ++++
 .../tests/mozilla/webgl/tex_image_2d_abv.html | 106 ++++++++++++++++++
 .../mozilla/webgl/tex_image_2d_abv_ref.html   |  13 +++
 3 files changed, 143 insertions(+)
 create mode 100644 tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv.html
 create mode 100644 tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 1cadcfe1765..4076bb8652a 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -5803,6 +5803,18 @@
             "url": "/_mozilla/mozilla/webgl/draw_arrays_simple.html"
           }
         ],
+        "mozilla/webgl/tex_image_2d_abv.html": [
+          {
+            "path": "mozilla/webgl/tex_image_2d_abv.html",
+            "references": [
+              [
+                "/_mozilla/mozilla/webgl/tex_image_2d_abv_ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/mozilla/webgl/tex_image_2d_abv.html"
+          }
+        ],
         "mozilla/webgl/tex_image_2d_canvas.html": [
           {
             "path": "mozilla/webgl/tex_image_2d_canvas.html",
@@ -12465,6 +12477,18 @@
           "url": "/_mozilla/mozilla/webgl/draw_arrays_simple.html"
         }
       ],
+      "mozilla/webgl/tex_image_2d_abv.html": [
+        {
+          "path": "mozilla/webgl/tex_image_2d_abv.html",
+          "references": [
+            [
+              "/_mozilla/mozilla/webgl/tex_image_2d_abv_ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/mozilla/webgl/tex_image_2d_abv.html"
+        }
+      ],
       "mozilla/webgl/tex_image_2d_canvas.html": [
         {
           "path": "mozilla/webgl/tex_image_2d_canvas.html",
diff --git a/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv.html b/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv.html
new file mode 100644
index 00000000000..bfa6019a218
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv.html
@@ -0,0 +1,106 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>WebGL: texImage2D with Array Buffer View</title>
+<link rel="match" href="tex_image_2d_abv_ref.html">
+<style>html, body { margin: 0; padding: 0; }</style>
+<!-- This reftest should show a 512x512px red square -->
+<canvas id="c" width="512" height="512"></canvas>
+<script id="vertex_shader" type="x-shader/x-vertex">
+precision mediump float;
+attribute vec2 a_texCoord;
+attribute vec2 a_position;
+varying vec2 v_texCoord;
+
+void main() {
+   gl_Position = vec4(a_position, 0, 1);
+   v_texCoord = a_texCoord;
+}
+</script>
+
+<script id="fragment_shader" type="x-shader/x-fragment">
+precision mediump float;
+uniform sampler2D u_image;
+varying vec2 v_texCoord;
+void main() {
+   gl_FragColor = texture2D(u_image, v_texCoord);
+}
+</script>
+<script>
+  var gl = document.getElementById('c').getContext('webgl');
+
+  // Clear black
+  gl.clearColor(1, 1, 1, 1);
+  gl.clear(gl.COLOR_BUFFER_BIT);
+
+  // Create the program
+  var vertex_shader = gl.createShader(gl.VERTEX_SHADER),
+      fragment_shader = gl.createShader(gl.FRAGMENT_SHADER),
+      program = gl.createProgram();
+
+  gl.shaderSource(vertex_shader,
+                  document.getElementById('vertex_shader').textContent);
+  gl.shaderSource(fragment_shader,
+                  document.getElementById('fragment_shader').textContent);
+  gl.compileShader(vertex_shader);
+  gl.compileShader(fragment_shader);
+  gl.attachShader(program, vertex_shader);
+  gl.attachShader(program, fragment_shader);
+  console.log(gl.getShaderInfoLog(vertex_shader));
+  console.log(gl.getShaderInfoLog(fragment_shader));
+  gl.linkProgram(program);
+  gl.useProgram(program);
+
+  // Get the position from the fragment shader
+  var position = gl.getAttribLocation(program, "a_position");
+  var tex_position = gl.getAttribLocation(program, "a_texCoord");
+
+  var texture_coordinates = new Float32Array([
+    0.0,  0.0,
+    1.0,  0.0,
+    0.0,  1.0,
+    0.0,  1.0,
+    1.0,  0.0,
+    1.0,  1.0
+  ]);
+
+  var texture_buffer = gl.createBuffer();
+  gl.bindBuffer(gl.ARRAY_BUFFER, texture_buffer);
+  gl.bufferData(gl.ARRAY_BUFFER, texture_coordinates, gl.STATIC_DRAW);
+  gl.enableVertexAttribArray(tex_position);
+  gl.vertexAttribPointer(tex_position, 2, gl.FLOAT, false, 0, 0);
+
+  var square_data = new Float32Array([
+    -1.0,  1.0, // top left
+     1.0,  1.0, // top right
+    -1.0, -1.0, // bottom left
+    -1.0, -1.0, // bottom left
+     1.0,  1.0, // top right
+     1.0, -1.0  // bottom right
+  ]);
+
+  // Create a buffer for the square with the square
+  // vertex data
+  var square_buffer = gl.createBuffer();
+  gl.bindBuffer(gl.ARRAY_BUFFER, square_buffer);
+  gl.bufferData(gl.ARRAY_BUFFER, square_data, gl.STATIC_DRAW);
+
+  gl.enableVertexAttribArray(position);
+  gl.vertexAttribPointer(position, 2, gl.FLOAT, false, 0, 0);
+
+  // Load the texture and draw
+  var tex = gl.createTexture();
+  gl.bindTexture(gl.TEXTURE_2D, tex);
+  console.log(gl.getError() == gl.NO_ERROR);
+
+
+  // Create a 1x1 red texture, but repeated.
+  gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0,
+                gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array([255, 0, 0, 255]));
+  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
+  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
+  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+  console.log(gl.getError() == gl.NO_ERROR);
+
+  gl.drawArrays(gl.TRIANGLES, 0, 6);
+</script>
diff --git a/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv_ref.html b/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv_ref.html
new file mode 100644
index 00000000000..1e84eb7846c
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/webgl/tex_image_2d_abv_ref.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>ref: WebGL: texImage2D with Array Buffer View</title>
+<style>
+  html, body { margin: 0; padding: 0; }
+  div {
+    width: 512px;
+    height: 512px;
+    background: red;
+  }
+</style>
+<!-- This reftest should show a 512x512px red square -->
+<div></div>
