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| 1 | Blur = {}
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| 2 | ||
| 3 | local shader = false | |
| 4 | local renderTarget = false | |
| 5 | local screenSource = false | |
| 6 | local screenWidth, screenHeight = guiGetScreenSize() | |
| 7 | ||
| 8 | function Blur.createShader() | |
| 9 | shader = dxCreateShader("shader.fx")
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| 10 | - | shader = dxCreateShader("client/blur/shader.fx")
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| 10 | + | |
| 11 | if not shader then | |
| 12 | outputDebugString("Failed to create blur shader")
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| 13 | - | outputDebug("Failed to create blur shader")
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| 13 | + | |
| 14 | end | |
| 15 | ||
| 16 | renderTarget = dxCreateRenderTarget(screenWidth, screenHeight, true) | |
| 17 | ||
| 18 | if not renderTarget then | |
| 19 | destroyElement(shader) | |
| 20 | shader = false | |
| 21 | outputDebugString("Failed to create a render target for blur shader")
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| 22 | - | outputDebug("Failed to create a render target for blur shader")
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| 22 | + | |
| 23 | end | |
| 24 | ||
| 25 | screenSource = dxCreateScreenSource(screenWidth, screenHeight) | |
| 26 | ||
| 27 | if not screenSource then | |
| 28 | destroyElement(renderTarget) | |
| 29 | destroyElement(shader) | |
| 30 | shader = false | |
| 31 | renderTarget = false | |
| 32 | outputDebugString("Failed to create a screen source for blur shader")
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| 33 | - | outputDebug("Failed to create a screen source for blur shader")
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| 33 | + | |
| 34 | else | |
| 35 | dxSetShaderValue(shader, 'texture0', renderTarget) | |
| 36 | end | |
| 37 | ||
| 38 | return true | |
| 39 | end | |
| 40 | ||
| 41 | function Blur.render(alpha, strength) | |
| 42 | -- Update screen source | |
| 43 | dxUpdateScreenSource(screenSource, true) | |
| 44 | ||
| 45 | -- Switch rendering to our render target | |
| 46 | dxSetRenderTarget(renderTarget, false) | |
| 47 | ||
| 48 | -- Prepare render target content | |
| 49 | dxDrawImage(0, 0, screenWidth, screenHeight, screenSource) | |
| 50 | ||
| 51 | -- Repeat shader align on the image inside the render target | |
| 52 | for i = 0, 8 do | |
| 53 | dxSetShaderValue(shader, 'factor', 0.0020 * strength + (i / 8 * 0.001 * strength)) | |
| 54 | dxDrawImage(0, 0, screenWidth, screenHeight, shader) | |
| 55 | end | |
| 56 | ||
| 57 | -- Restore the default render target | |
| 58 | dxSetRenderTarget() | |
| 59 | ||
| 60 | dxDrawImage(0, 0, screenWidth, screenHeight, renderTarget, 0, 0, 0, tocolor(255, 255, 255, alpha)) | |
| 61 | end | |
| 62 | ||
| 63 | function Blur:getScreenTexture() | |
| 64 | return renderTarget | |
| 65 | end |