Commit: 45da0d20e6f39727eacb2955d25b4a834848f03a Author: Richard Antalik Date: Mon Aug 17 20:52:59 2020 +0200 Branches: master https://developer.blender.org/rB45da0d20e6f39727eacb2955d25b4a834848f03a
VSE: make transform effect multithreaded Multithreaded implementation can provide significant performance gain on CPU's that can handle more parallel tasks. On my 8 core system I got about 3.5x faster processing speed. Reviewed By: sergey Differential Revision: https://developer.blender.org/D8585 =================================================================== M source/blender/blenkernel/intern/seqeffects.c =================================================================== diff --git a/source/blender/blenkernel/intern/seqeffects.c b/source/blender/blenkernel/intern/seqeffects.c index afec9b835a5..c6daecbcee6 100644 --- a/source/blender/blenkernel/intern/seqeffects.c +++ b/source/blender/blenkernel/intern/seqeffects.c @@ -2387,6 +2387,8 @@ static void copy_transform_effect(Sequence *dst, Sequence *src, const int UNUSED static void transform_image(int x, int y, + int start_line, + int total_lines, ImBuf *ibuf1, ImBuf *out, float scale_x, @@ -2396,34 +2398,27 @@ static void transform_image(int x, float rotate, int interpolation) { - int xo, yo, xi, yi; - float xt, yt, xr, yr; - float s, c; - - xo = x; - yo = y; - /* Rotate */ - s = sinf(rotate); - c = cosf(rotate); + float s = sinf(rotate); + float c = cosf(rotate); - for (yi = 0; yi < yo; yi++) { - for (xi = 0; xi < xo; xi++) { + for (int yi = start_line; yi < start_line + total_lines; yi++) { + for (int xi = 0; xi < x; xi++) { /* translate point */ - xt = xi - translate_x; - yt = yi - translate_y; + float xt = xi - translate_x; + float yt = yi - translate_y; /* rotate point with center ref */ - xr = c * xt + s * yt; - yr = -s * xt + c * yt; + float xr = c * xt + s * yt; + float yr = -s * xt + c * yt; /* scale point with center ref */ xt = xr / scale_x; yt = yr / scale_y; /* undo reference center point */ - xt += (xo / 2.0f); - yt += (yo / 2.0f); + xt += (x / 2.0f); + yt += (y / 2.0f); /* interpolate */ switch (interpolation) { @@ -2441,9 +2436,19 @@ static void transform_image(int x, } } -static void do_transform( - Scene *scene, Sequence *seq, float UNUSED(facf0), int x, int y, ImBuf *ibuf1, ImBuf *out) +static void do_transform_effect(const SeqRenderData *context, + Sequence *seq, + float UNUSED(cfra), + float UNUSED(facf0), + float UNUSED(facf1), + ImBuf *ibuf1, + ImBuf *UNUSED(ibuf2), + ImBuf *UNUSED(ibuf3), + int start_line, + int total_lines, + ImBuf *out) { + Scene *scene = context->scene; TransformVars *transform = (TransformVars *)seq->effectdata; float scale_x, scale_y, translate_x, translate_y, rotate_radians; @@ -2456,6 +2461,9 @@ static void do_transform( scale_y = transform->ScaleyIni; } + int x = context->rectx; + int y = context->recty; + /* Translate */ if (!transform->percent) { float rd_s = (scene->r.size / 100.0f); @@ -2473,6 +2481,8 @@ static void do_transform( transform_image(x, y, + start_line, + total_lines, ibuf1, out, scale_x, @@ -2483,22 +2493,6 @@ static void do_transform( transform->interpolation); } -static ImBuf *do_transform_effect(const SeqRenderData *context, - Sequence *seq, - float UNUSED(cfra), - float facf0, - float UNUSED(facf1), - ImBuf *ibuf1, - ImBuf *ibuf2, - ImBuf *ibuf3) -{ - ImBuf *out = prepare_effect_imbufs(context, ibuf1, ibuf2, ibuf3); - - do_transform(context->scene, seq, facf0, context->rectx, context->recty, ibuf1, out); - - return out; -} - /*********************** Glow *************************/ static void RVBlurBitmap2_float(float *map, int width, int height, float blur, int quality) @@ -4183,11 +4177,12 @@ static struct SeqEffectHandle get_sequence_effect_impl(int seq_type) rval.execute = do_glow_effect; break; case SEQ_TYPE_TRANSFORM: + rval.multithreaded = true; rval.init = init_transform_effect; rval.num_inputs = num_inputs_transform; rval.free = free_transform_effect; rval.copy = copy_transform_effect; - rval.execute = do_transform_effect; + rval.execute_slice = do_transform_effect; break; case SEQ_TYPE_SPEED: rval.init = init_speed_effect; _______________________________________________ Bf-blender-cvs mailing list [email protected] https://lists.blender.org/mailman/listinfo/bf-blender-cvs
