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Enable High DPI display support. #7

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17 changes: 16 additions & 1 deletion lesson01/index.html
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,22 @@
var gl;
function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson02/index.html
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson03/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson04/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson05/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson06/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson07/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson08/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson09/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson10/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson11/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson12/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson13/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson14/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson15/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down
17 changes: 16 additions & 1 deletion lesson16/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,22 @@

function initGL(canvas) {
try {
gl = canvas.getContext("experimental-webgl");
var devicePixelRatio = window.devicePixelRatio || 1;
var width = canvas.clientWidth;
var height = canvas.clientHeight;

// set the display size of the canvas.
canvas.style.width = width + "px";
canvas.style.height = height + "px";

// set the size of the drawingBuffer
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;

gl = canvas.getContext("webgl");
if (gl == null) {
gl = canvas.getContext("experimental-webgl");
}
gl.viewportWidth = canvas.width;
gl.viewportHeight = canvas.height;
} catch (e) {
Expand Down