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1 /* Any copyright is dedicated to the Public Domain. |
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2 http://creativecommons.org/publicdomain/zero/1.0/ */ |
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3 |
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4 /** |
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5 * Tests that vertex and fragment shader sources can be changed. |
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6 */ |
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7 |
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8 function ifWebGLSupported() { |
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9 let [target, debuggee, front] = yield initBackend(SIMPLE_CANVAS_URL); |
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10 front.setup({ reload: true }); |
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11 |
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12 let programActor = yield once(front, "program-linked"); |
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13 let vertexShader = yield programActor.getVertexShader(); |
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14 let fragmentShader = yield programActor.getFragmentShader(); |
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15 |
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16 yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true); |
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17 yield ensurePixelIs(debuggee, { x: 128, y: 128 }, { r: 191, g: 64, b: 0, a: 255 }, true); |
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18 yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true); |
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19 |
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20 let vertSource = yield vertexShader.getText(); |
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21 let fragSource = yield fragmentShader.getText(); |
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22 ok(!vertSource.contains("2.0"), |
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23 "The vertex shader source is correct before changing it."); |
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24 ok(!fragSource.contains("0.5"), |
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25 "The fragment shader source is correct before changing it."); |
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26 |
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27 let newVertSource = vertSource.replace("1.0", "2.0"); |
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28 let status = yield vertexShader.compile(newVertSource); |
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29 ok(!status, |
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30 "The new vertex shader source was compiled without errors."); |
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31 |
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32 yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true); |
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33 yield ensurePixelIs(debuggee, { x: 128, y: 128 }, { r: 255, g: 0, b: 0, a: 255 }, true); |
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34 yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 0, b: 0, a: 255 }, true); |
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35 |
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36 let vertSource = yield vertexShader.getText(); |
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37 let fragSource = yield fragmentShader.getText(); |
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38 ok(vertSource.contains("2.0"), |
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39 "The vertex shader source is correct after changing it."); |
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40 ok(!fragSource.contains("0.5"), |
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41 "The fragment shader source is correct after changing the vertex shader."); |
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42 |
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43 let newFragSource = fragSource.replace("1.0", "0.5"); |
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44 let status = yield fragmentShader.compile(newFragSource); |
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45 ok(!status, |
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46 "The new fragment shader source was compiled without errors."); |
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47 |
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48 yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true); |
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49 yield ensurePixelIs(debuggee, { x: 128, y: 128 }, { r: 255, g: 0, b: 0, a: 127 }, true); |
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50 yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 0, b: 0, a: 255 }, true); |
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51 |
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52 let vertSource = yield vertexShader.getText(); |
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53 let fragSource = yield fragmentShader.getText(); |
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54 ok(vertSource.contains("2.0"), |
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55 "The vertex shader source is correct after changing the fragment shader."); |
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56 ok(fragSource.contains("0.5"), |
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57 "The fragment shader source is correct after changing it."); |
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58 |
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59 yield removeTab(target.tab); |
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60 finish(); |
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61 } |