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Differential D2739 Diff 9005 source/blender/nodes/shader/nodes/node_shader_bump.c

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source/blender/nodes/shader/nodes/node_shader_bump.c

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static int gpu_shader_bump(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out) static int gpu_shader_bump(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{ {
if (!in[3].link) if (!in[3].link)
in[3].link = GPU_builtin(GPU_VIEW_NORMAL); in[3].link = GPU_builtin(GPU_VIEW_NORMAL);
else else
GPU_link(mat, "direction_transform_m4v3", in[3].link, GPU_builtin(GPU_VIEW_MATRIX), &in[3].link); GPU_link(mat, "direction_transform_m4v3", in[3].link, GPU_builtin(GPU_VIEW_MATRIX), &in[3].link);
float invert = node->custom1; float invert = node->custom1;
GPU_stack_link(mat, "node_bump", in, out, GPU_builtin(GPU_VIEW_POSITION), GPU_uniform(&invert)); GPU_stack_link(mat, node, "node_bump", in, out, GPU_builtin(GPU_VIEW_POSITION), GPU_uniform(&invert));
/* Other nodes are applying view matrix if the input Normal has a link. /* Other nodes are applying view matrix if the input Normal has a link.
* We don't want normal to have view matrix applied twice, so we cancel it here. * We don't want normal to have view matrix applied twice, so we cancel it here.
* *
* TODO(sergey): This is an extra multiplication which cancels each other, * TODO(sergey): This is an extra multiplication which cancels each other,
* better avoid this but that requires bigger refactor. * better avoid this but that requires bigger refactor.
*/ */
return GPU_link(mat, "direction_transform_m4v3", out[0].link, GPU_builtin(GPU_INVERSE_VIEW_MATRIX), &out[0].link); return GPU_link(mat, "direction_transform_m4v3", out[0].link, GPU_builtin(GPU_INVERSE_VIEW_MATRIX), &out[0].link);
} }
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