1 files changed, 52 insertions, 0 deletions
diff --git a/src/declarative/particles/defaultshaders/spriteimagevertex.shader b/src/declarative/particles/defaultshaders/spriteimagevertex.shader
new file mode 100644
index 0000000000..27de2ada6a
--- /dev/null
+++ b/src/declarative/particles/defaultshaders/spriteimagevertex.shader
@@ -0,0 +1,52 @@
+attribute highp vec2 vTex;
+attribute highp vec4 vAnimData;// idx, duration, frameCount (this anim), timestamp (this anim)
+
+uniform highp mat4 matrix;
+uniform highp float timestamp;                          
+uniform lowp float opacity;
+uniform highp float framecount; //maximum of all anims
+uniform highp float animcount;
+uniform highp float width;
+uniform highp float height;
+
+varying highp vec2 fTexA;
+varying highp vec2 fTexB;
+varying lowp float progress;
+
+
+void main() {                                           
+    //Calculate frame location in texture
+    highp float frameIndex = mod((((timestamp - vAnimData.w)*1000.)/vAnimData.y),vAnimData.z);
+    progress = mod((timestamp - vAnimData.w)*1000., vAnimData.y) / vAnimData.y;
+
+    frameIndex = floor(frameIndex);
+    highp vec2 frameTex;
+    if(vTex.x == 0.)
+        frameTex.x = (frameIndex/framecount);
+    else
+        frameTex.x = 1. * ((frameIndex + 1.)/framecount);
+
+    if(vTex.y == 0.)
+        frameTex.y = (vAnimData.x/animcount);
+    else
+        frameTex.y = 1. * ((vAnimData.x + 1.)/animcount);
+
+    fTexA = frameTex;
+    //Next frame is also passed, for interpolation
+    if(frameIndex != vAnimData.z - 1.)//Can't do it for the last frame though, this anim may not loop
+        frameIndex = mod(frameIndex+1., vAnimData.z);
+
+    if(vTex.x == 0.)
+        frameTex.x = (frameIndex/framecount);
+    else
+        frameTex.x = 1. * ((frameIndex + 1.)/framecount);
+
+    if(vTex.y == 0.)
+        frameTex.y = (vAnimData.x/animcount);
+    else
+        frameTex.y = 1. * ((vAnimData.x + 1.)/animcount);
+    fTexB = frameTex;
+
+
+    gl_Position = matrix * vec4(width * vTex.x, height * vTex.y, 0, 1);
+}