Differential D16279 Diff 56892 source/blender/compositor/realtime_compositor/algorithms/intern/algorithm_parallel_reduction.cc

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source/blender/compositor/realtime_compositor/algorithms/intern/algorithm_parallel_reduction.cc

Show First 20 Lines • Show All 196 Lines • ▼ Show 20 Lines	float sum_luminance_squared_difference(Context &context,
float *reduced_value = parallel_reduction_dispatch(context, texture, shader, GPU_R32F);		float *reduced_value = parallel_reduction_dispatch(context, texture, shader, GPU_R32F);
const float sum = *reduced_value;		const float sum = *reduced_value;
MEM_freeN(reduced_value);		MEM_freeN(reduced_value);
GPU_shader_unbind();		GPU_shader_unbind();

return sum;		return sum;
}		}

		/* --------------------------------------------------------------------
		* Maximum Reductions.
		*/

		float maximum_float_in_range(Context &context,
		GPUTexture *texture,
		float lower_bound,
		float upper_bound)
		{
		GPUShader *shader = context.shader_manager().get("compositor_maximum_float_in_range");
		GPU_shader_bind(shader);

		GPU_shader_uniform_1f(shader, "lower_bound", lower_bound);
		GPU_shader_uniform_1f(shader, "upper_bound", upper_bound);

		float *reduced_value = parallel_reduction_dispatch(context, texture, shader, GPU_R32F);
		const float maximum = *reduced_value;
		MEM_freeN(reduced_value);
		GPU_shader_unbind();

		return maximum;
		}

		/* --------------------------------------------------------------------
		* Minimum Reductions.
		*/

		float minimum_float_in_range(Context &context,
		GPUTexture *texture,
		float lower_bound,
		float upper_bound)
		{
		GPUShader *shader = context.shader_manager().get("compositor_minimum_float_in_range");
		GPU_shader_bind(shader);

		GPU_shader_uniform_1f(shader, "lower_bound", lower_bound);
		GPU_shader_uniform_1f(shader, "upper_bound", upper_bound);

		float *reduced_value = parallel_reduction_dispatch(context, texture, shader, GPU_R32F);
		const float minimum = *reduced_value;
		MEM_freeN(reduced_value);
		GPU_shader_unbind();

		return minimum;
		}

} // namespace blender::realtime_compositor		} // namespace blender::realtime_compositor